excavator

hyundai excavator 210 swing pump M2X146

The swing pump of the Hyundai 210 excavator, Kawasaki M2X146 model, is an axial piston motor with a swash plate design, engineered for the rotational movement of the excavator’s swing arm. This pump has a displacement of 145.7 cm³ per revolution, a nominal operating pressure of 30 MPa, and a maximum pressure of 37 MPa. Its maximum flow rate reaches 210 liters per minute, and rotational speed is up to 1650 rpm. These specifications enable the pump to deliver a torque of 12,800 Nm while ensuring precise control of the swing movement. The swash plate design and precise pressure and flow control maintain hydraulic system efficiency even under heavy operating conditions.

During repair, the pump is first removed from the hydraulic system and thoroughly cleaned to eliminate any suspended particles or contaminants. The cylinder block, drive shaft, swash plate, pressure plates, and springs are inspected using precision tools such as micrometers and gauges. O-rings, seals, and other consumable components are replaced, and friction surfaces are carefully refurbished. Pump pressure and flow are tested after repair to ensure performance meets factory standards, with no leakage or power loss.

After replacing and repairing damaged components, the pump is reassembled with precise torque

KOMATSU excavator pc300 swing pump

The swing pump of the Komatsu PC300-7 excavator is a precision hydraulic unit responsible for supplying oil to the swing motor of the upper structure. This pump is a gear-type design with a volumetric capacity of approximately 45 to 55 liters per minute and an operating pressure of 280 bar. The housing is made of alloy steel with a hardness of 210 to 230 Brinell, ensuring excellent wear and fatigue resistance. Its drive shaft is supported by rolling bearings with a diameter of 45 millimeters for stability and durability.

In terms of type, the Komatsu PC300-7 swing pump operates as an internal gear hydraulic unit that directs oil into the swing motor circuit through the rotation of its driving gear. Heat-resistant O-rings capable of withstanding up to 120 degrees Celsius prevent leakage under high pressure. The pump achieves a volumetric efficiency greater than 92 percent under standard conditions, which ensures smooth and precise swing system performance during heavy-duty excavation tasks.

The repair process of the swing pump involves complete disassembly of the housing, inspection of the gears for wear or micro-cracks, and measurement of radial clearance with a feeler gauge. If the clearance exceeds 0.08 millimeters, gear replacement becomes necessary. Bearings and seals m

Caterpillar Excavator Model 330DL

The Caterpillar 330DL excavator is equipped with a CAT C7 diesel engine producing 204 horsepower at 1,900 RPM. The engine displacement is 7.2 liters, delivering a maximum torque of 930 N·m at 1,400 RPM. The hydraulic system features a 250 L/min pump with 280 bar working pressure, providing precise control of the boom, cabin rotation, and bucket operation. The standard boom measures 6.0 meters, and the 1.2 cubic meter bucket can move large volumes of soil and mineral materials. The hydraulic swing system offers a rotational speed of 11 RPM with a torque of 6,000 N·m, ensuring stable and precise digging operations. The high-strength steel frame withstands bending stress up to 4,500 N·m and increases the machine’s overall durability.

The operating weight of the excavator is 33.2 tons, and its overall length is 9.8 meters, providing stability and maneuverability on rough and sloped terrain. The cabin features an ergonomic vibration-absorbing seat, air conditioning, and a digital display for machine monitoring. The dual-circuit hydraulic braking system and precise joystick controls ensure operator safety and full control. Fuel consumption is approximately 20 liters per hour, and the fuel tank capacity is 450 liters, ensuring high operational efficiency and fewer refueling stop

Komatsu PC400-7 excavator

The Komatsu PC400-7 excavator is equipped with an SAA6D140E-3 diesel engine producing 340 horsepower at 2000 RPM. The engine displacement is 14.0 liters, delivering a maximum torque of 1800 N·m at 1400 RPM. The hydraulic system features a 450 L/min pump with 280 bar working pressure, controlling the boom, cabin rotation, and bucket operation. The standard boom measures 7.0 meters, and the 1.8 cubic meter bucket can move large volumes of soil and mineral materials. The hydraulic swing system provides a rotational speed of 10.8 RPM with a torque of 12,000 N·m, ensuring precise and stable digging operations. The frame is made of high-strength steel with a bending resistance of 8,000 N·m.

The operating weight of the excavator is 39 tons, and its overall length is 11.2 meters, providing stability and maneuverability on rough and sloped terrain. The cabin features an ergonomic vibration-absorbing seat, air conditioning, and a digital display for machine monitoring. The dual-circuit hydraulic braking system and precise joystick controls ensure operator safety and accuracy. Fuel consumption is approximately 55 liters per hour, and the fuel tank capacity is 700 liters, ensuring high operational efficiency and fewer refueling stops. The 360-degree maneuverability and simultaneous con

Komatsu PC400-7 excavator

The Komatsu PC400-7 excavator is equipped with an SAA6D140E-3 diesel engine producing 340 horsepower at 2000 RPM. The engine displacement is 14.0 liters, delivering a maximum torque of 1800 N·m at 1400 RPM. The hydraulic system features a 450 L/min pump with 280 bar working pressure, controlling the boom, cabin rotation, and bucket operation. The standard boom measures 7.0 meters, and the 1.8 cubic meter bucket can move large volumes of soil and mineral materials. The hydraulic swing system provides a rotational speed of 10.8 RPM with a torque of 12,000 N·m, ensuring precise and stable digging operations. The frame is made of high-strength steel with a bending resistance of 8,000 N·m.

The operating weight of the excavator is 39 tons, and its overall length is 11.2 meters, providing stability and maneuverability on rough and sloped terrain. The cabin features an ergonomic vibration-absorbing seat, air conditioning, and a digital display for machine monitoring. The dual-circuit hydraulic braking system and precise joystick controls ensure operator safety and accuracy. Fuel consumption is approximately 55 liters per hour, and the fuel tank capacity is 700 liters, ensuring high operational efficiency and fewer refueling stops. The 360-degree maneuverability and simultaneous con

Excavator accumulator

The accumulator in heavy-duty cranes is typically manufactured in capacities of 6, 10, 20, and 32 liters, with the ability to withstand working pressures up to 350 bar. It is widely used in the hydraulic systems of cranes such as Liebherr 200–1200 tons lifting capacity and Tadano 100–600 tons. The primary role of the accumulator is to absorb hydraulic shocks, store compressed energy, and provide instant pressure for precise boom movements.

In mobile and all-terrain cranes, the accumulator is essential to prevent pressure drops during repetitive lifting cycles. For example, in a Grove 400-ton crane, a 20-liter accumulator operating at 300 bar can supply the necessary energy to safely move the boom in case of a temporary pump shutdown. This function not only enhances safety but also reduces wear on hydraulic pumps, thereby extending their service life.

Reputable manufacturers such as Hydac Germany, Parker USA, and Olaer France supply bladder- and piston-type accumulators specifically for heavy lifting equipment. Typically, the nitrogen pre-charge pressure is set between 0.9 and 1.0 times the system’s working pressure. Compliance with international standards like ISO 4413 and DIN 4807 during installation and maintenance ensures up to 10 years of service life and improves

Komatsu PC200-8 excavator

The Komatsu PC200-8 excavator is equipped with an SAA6D107E-1 diesel engine producing 155 horsepower at 2000 RPM. The engine displacement is 7.0 liters, delivering a maximum torque of 780 N·m at 1400 RPM. The hydraulic system features a 250 L/min pump with 240 bar working pressure, controlling the boom, cabin rotation, and bucket operation. The standard boom measures 5.9 meters, and the 1 cubic meter bucket can move large volumes of soil and mineral materials. The hydraulic swing system provides a rotational speed of 10.5 RPM with a torque of 5500 N·m, ensuring precise and stable digging operations. The frame is made of high-strength steel with a bending resistance of 4000 N·m.

The operating weight of the excavator is 20.5 tons, and its overall length is 8.9 meters, providing stability and maneuverability on rough and sloped terrain. The cabin features an ergonomic vibration-absorbing seat, air conditioning, and a digital display for machine monitoring. The dual-circuit hydraulic braking system and precise joystick controls ensure operator safety and accuracy. Fuel consumption is approximately 16 liters per hour, and the fuel tank capacity is 350 liters, ensuring high operational efficiency and fewer refueling stops. The 360-degree maneuverability and simultaneous control o

Komatsu PC300 excavator main pump

The main hydraulic pump of the Komatsu PC300 excavator is typically an axial piston pump with a variable swashplate design, capable of delivering high operating pressure. This pump provides a flow rate of approximately 2×240 liters per minute at a rated working pressure of 320 bar, supplying the necessary power for boom, arm, and swing operations. Its dual-circuit configuration increases efficiency and minimizes pressure losses in heavy-duty hydraulic systems.

The head of the PC300 main pump is generally set between 280 and 320 bar, with a maximum pressure capacity up to 350 bar. The internal design includes hardened steel pistons with a diameter of around 22 to 24 millimeters, operating at a rotational speed of 1800 to 2000 RPM. Precision sealing within the cylinder block reduces internal leakage, ensuring a volumetric efficiency greater than 90 percent.

The repair process of the PC300 hydraulic pump involves complete disassembly, inspection of pistons and the cylinder block, and replacement of worn components. Common failure signs include wear on piston shoes and sliding plates. After reconditioning or replacement, reassembly must be performed with specified torque values, followed by calibration on a hydraulic test bench at 300 bar pressure and 240 liters per minute flo

Komatsu Excavator Relief Valve – Pressure Reducing Valve

The Komatsu excavator relief valve is a hydraulic pressure-reducing valve designed to protect the hydraulic system from excessive pressure. Its standard operating pressure ranges from 250 to 280 bar and can be precisely adjusted via the control screw. The valve body is made of high-strength alloy steel with anti-corrosion coating and can withstand burst pressures up to 400 bar. The inlet and outlet ports have a diameter of 25 millimeters, allowing hydraulic oil flow up to 320 L/min. The internal design includes durable springs and high-pressure-resistant sealing components, extending the valves service life to over 10,000 operating hours.

This relief valve can be directly installed in the boom and bucket hydraulic circuits and performs reliably under heavy, continuous operation. Its precise operation prevents damage to pumps and hydraulic cylinders, ensuring system safety and durability. The valve weighs 3.2 kilograms and measures 180 millimeters in length, facilitating easy installation. Its robust design withstands vibration and shock, operating in temperatures from -20 to 80°C, with simple and quick maintenance. Stable performance under variable pressures maximizes efficiency and the overall hydraulic system lifespan.

HEPCO HL200 excavator exhaust

The HEPCO HL200 excavator exhaust is engineered to discharge combustion gases efficiently and reduce noise under heavy-duty operating conditions. The main body is constructed from heat-resistant alloy steel with an Fe-Cr-Mo composition, capable of withstanding temperatures up to 720°C. The shell thickness ranges from 2.2 to 2.8 mm, coated with a high-temperature silicone-based corrosion-resistant finish. The total length is approximately 910 mm, with an outlet diameter of 112 mm. The multi-stage internal expansion chamber design minimizes back pressure and enhances engine breathing efficiency.

The HEPCO HL200 exhaust features a dual-layer structure with 15 mm compressed rock wool insulation that prevents heat transfer to the outer body. The connection section includes a reinforced 10 mm thick steel flange with a high-temperature graphite gasket for sealing. It provides vibration resistance up to 170 Hz and corrosion endurance verified through 1200-hour salt spray testing. The total exhaust weight is about 10.8 kg, designed for direct installation on the engine manifold. This configuration ensures long service life, reduced emissions, and stable operation under demanding working environments.

HEPCO HC100B excavator exhaust

The HEPCO HC100B excavator exhaust is designed to efficiently discharge engine gases while reducing noise and vibration in heavy-duty working environments. The exhaust body is made from heat-resistant alloy steel with an Fe-Cr-Mo composition, capable of withstanding temperatures up to 720°C. The wall thickness ranges from 2.2 to 2.7 mm and is coated with a high-temperature corrosion-resistant silicone paint. The total length is approximately 900 mm, with an outlet diameter of 112 mm. Its multi-stage internal expansion chamber design reduces back pressure and improves exhaust gas flow efficiency.

The HEPCO HC100B exhaust features a dual-layer construction with 14 mm compressed rock wool insulation that minimizes heat transfer to the outer shell. The connection uses a reinforced 9 mm thick steel flange with a high-temperature graphite gasket. It offers vibration resistance up to 170 Hz and corrosion durability tested through 1200-hour salt spray exposure. The total weight is about 10.5 kg, designed for direct mounting on the engine manifold. This configuration ensures extended lifespan, reduced emissions, and stable operation under harsh working conditions.

HEPCO 912 excavator exhaust

The HEPCO 912 excavator exhaust is designed to efficiently channel engine gases while reducing noise and vibration in heavy-duty operating environments. It is manufactured from heat-resistant alloy steel with an Fe-Cr-Ni composition, capable of withstanding temperatures up to 700°C. The shell thickness ranges from 2 to 2.6 mm and is coated with a high-temperature silicone paint. The total exhaust length is approximately 890 mm, with an outlet diameter of 108 mm. Its multi-stage internal flow design with directional baffles minimizes back pressure and enhances combustion efficiency.

The HEPCO 912 exhaust features a dual-wall structure with 12 mm compressed fiberglass insulation to prevent heat transfer to the outer shell. The connection is reinforced with an 8 mm thick steel flange and sealed using a graphite gasket. It offers vibration resistance up to 160 Hz and corrosion endurance verified through 1000-hour salt spray testing. The total weight is around 9.6 kg, designed for direct installation onto the engine manifold. This configuration provides enhanced durability, reduced emissions, and optimized exhaust performance under demanding field conditions.

HEPCO HC100 excavator exhaust

The HEPCO HC100 excavator exhaust is engineered to efficiently discharge engine gases while minimizing noise and vibration under heavy-duty operating conditions. The body is made of heat-resistant alloy steel with an Fe-Cr-Mo composition, capable of withstanding temperatures up to 720°C. The wall thickness ranges from 2.2 to 2.6 mm and is coated with high-temperature corrosion-resistant silicone. The total length is approximately 905 mm, with an outlet diameter of 110 mm. Its multi-stage internal expansion chamber design reduces back pressure and optimizes engine exhaust flow.

The HEPCO HC100 exhaust features a dual-layer construction with 13 mm compressed rock wool insulation that minimizes heat transfer to the outer shell. The connection uses a reinforced 9 mm thick steel flange with a high-temperature graphite gasket. It provides vibration resistance up to 165 Hz and corrosion endurance tested for 1150 hours in salt spray conditions. The total system weight is about 10.2 kg, designed for direct installation on the engine manifold. This design ensures long-term durability, reduced emissions, and stable performance in demanding work environments.

Excavator and Bulldozer Tooth

Excavator and bulldozer teeth are made of wear-resistant alloy steel with a surface hardness of 50-55 HRC, ensuring long service life under heavy-duty conditions. The weight of the tooth varies between 15 and 35 kg depending on the model, with a length of 400 to 600 mm. The ground contact surface is wear-resistant with a 5 mm heat-treated layer, increasing shear and compressive strength. The conical and blade-like design allows easy penetration into soil, sand, and rock, and the 30-degree mounting angle optimizes shear forces. Attachment to the bucket uses standard bolts and pins, ensuring safety and quick replacement in heavy-duty work sites.

The tooth structure includes stress-relief grooves and lateral reinforcements, providing bending resistance up to 2500 N·m. Corrosion-resistant coating and UV-resistant paint extend the part’s service life. Mounting hole spacing is 120 mm with 25 mm bolt diameter for all standard models. The ergonomic blade design and curved tip reduce fuel consumption and improve excavation efficiency. These features ensure optimal performance, reduced bucket wear, and increased overall durability of heavy equipment.

HEPCO HE100B excavator exhaust

The HEPCO HE100B excavator exhaust is designed to efficiently guide engine gases while reducing noise and vibration under heavy-duty operating conditions. The exhaust body is made from heat-resistant alloy steel with an Fe-Cr-Mo composition, capable of withstanding temperatures up to 710°C. The wall thickness ranges from 2.2 to 2.6 mm, with an external high-temperature silicone coating. The total length is approximately 895 mm, and the outlet diameter is 110 mm. Its multi-stage internal expansion chamber design reduces back pressure and improves exhaust gas flow.

The HEPCO HE100B exhaust features a dual-layer construction with 13 mm compressed rock wool insulation, minimizing heat transfer to the outer shell. The connection uses a reinforced 9 mm thick steel flange and high-temperature graphite gasket. It provides vibration resistance up to 165 Hz and corrosion durability verified through 1100-hour salt spray testing. The total weight is around 10 kg, designed for direct installation on the engine manifold. This structure ensures extended durability, reduced emissions, and optimized engine performance in demanding work environments.

HEPCO HL115 excavator exhaust

The HEPCO HL115 excavator exhaust is engineered for efficient gas discharge and noise reduction under heavy-duty working conditions. It is made from heat-resistant alloy steel with an Fe-Cr-Ni composition, capable of withstanding temperatures up to 700°C. The wall thickness ranges from 2 to 2.5 mm and is protected by a high-temperature silicone coating. The total length is approximately 880 mm, with an outlet diameter of 108 mm. Its multi-stage internal design with expansion plates reduces back pressure and improves engine exhaust flow efficiency.

The HEPCO HL115 exhaust features a dual-layer construction with 12 mm compressed fiberglass insulation that prevents heat transfer to the outer shell. The connection is reinforced with an 8 mm thick steel flange and sealed using a graphite gasket. It provides vibration resistance up to 160 Hz and corrosion durability tested for 1000 salt spray hours. The total exhaust weight is around 9.5 kg, designed for direct installation on the engine manifold. This structure ensures higher durability, reduced emissions, and consistent performance under harsh operating conditions.

K3V112 hyundai 210 excavator

Repairing the main pump of a Hyundai 210 excavator, Kawasaki K3V112 model, requires precise inspection of hydraulic components and internal parts. First, the pump must be removed from the system and an initial check for leaks and mechanical damage performed. Then, the shaft, control rings, and vanes are measured with high-precision tools such as micrometers and gauges. In case of corrosion or cracks, components should be replaced according to JIS or ISO standards. Additionally, the pump’s operating pressure must be checked and adjusted to 250 bar with a flow rate of 160 liters per minute to ensure optimal hydraulic system performance.

Replacing high-pressure O-rings and seals must be done carefully to prevent hydraulic leaks. After assembly, the pump is tested on a hydraulic test bench under 250 bar pressure and 50°C oil temperature. Vibration, noise, and oil flow are checked, and any deviations from factory specifications are corrected. This repair process not only extends the pump’s service life but also ensures hydraulic system efficiency reaches up to 95 percent of factory standards.

Komatsu excavator washer fluid reservoir

The Komatsu excavator washer fluid reservoir is designed with a capacity of 5 to 10 liters and pump operating pressure of 1.5 to 2 bar. The body is made of impact-resistant UV-stabilized polyethylene, with an operating temperature range from -20 to 80 degrees Celsius. Inlet and outlet connections have 8 mm diameter and are compatible with 6–10 mm standard hoses. The reservoir cap includes a silicone seal for leak prevention and mechanical strength up to 150 N/cm². Mounting brackets feature 120 mm bolt spacing, and total reservoir weight is 1.2 kg.

This reservoir can be connected to hydraulic or electric windshield washer systems in Komatsu excavators. Pump output ranges from 1 to 3 liters per minute, with a spray height of up to 1.2 meters. Vibration resistance up to 10g ensures durability. Internal pump and valve materials are chemical-resistant plastics and operate without oil lubrication. Quick installation with standard fittings and easy maintenance are provided. Pressure and durability tests comply with ISO 9001, and service life exceeds 5 years.

Original bearings for Komatsu excavator pumps 200, 220, and 400

Original pump bearings for Komatsu 200, 220, and 400 excavators are designed with 30–50 mm inner diameter and 62–90 mm outer diameter. The balls are made of chromium steel with 60 HRC surface hardness and tensile strength of 2000 N/mm². Inner and outer rings are alloy steel with anti-corrosion coating, supporting radial loads up to 4000 kg and axial loads up to 1200 kg. Lubrication uses industrial NLGI 2 grease, with an operating temperature range from -30 to +120°C. Bearing installation precision meets ABEC P5 class, with vibration below 0.02 mm.

These bearings are compatible with hydraulic pumps of 200, 220, and 400 excavators, ensuring smooth and quiet operation. Maximum rotational speed ranges from 3000 to 6000 rpm, with service life over 50,000 hours. Impact and vibration resistance reaches 15g, with corrosion resistance in oily and humid environments. Installation uses standard bolts and shafts without structural modifications. All internal components comply with ISO 492, with successful pressure and durability testing.

complete wiring harness for Komatsu excavators

The complete wiring harness for Komatsu excavators includes power, control, and signal cables with total length between 5 and 12 meters. Cable diameters range from 2 to 10 mm, supporting currents from 5 to 60 A. Conductors are 99.9% pure copper with electrical resistance under 0.02 ohms per branch. PVC insulation is heat- and oil-resistant up to 120°C, with UV protection, ensuring over 8 years of service life. Connectors feature vibration-resistant locks up to 15g, allowing quick installation without structural modifications.

This wiring harness can connect to hydraulic, electrical, lighting, and control systems of Komatsu excavators. Operating temperature ranges from -30 to +120°C, with vibration resistance up to 15g. Cable routing uses standard clamps and protective channels to ensure safety and prevent abrasion. All connections comply with UL 758 and ISO 6722 standards, with over 1000 hours of current, resistance, and durability testing. Power transmission efficiency exceeds 95 percent, and minimum bend radius is under 50 mm.

Excavator Friction Disc

Crane shoe brake pads are made from a combination of organic and mineral materials designed to withstand high pressure and extend service life. Their typical thickness ranges from 12 to 20 millimeters, with a coefficient of friction between 0.35 and 0.48. These pads can endure operating temperatures up to 500 degrees Celsius, and their wear rate is recorded at less than 0.08 millimeters per 1,000 kilometers. The pad structure consists of carbon fibers, phenolic resin, and metal particles, providing optimal mechanical and thermal resistance while preventing thermal cracking.

The compressive strength of crane shoe brake pads reaches up to 28 megapascals, and surface hardness varies between 68 and 82 Rockwell C. Surface groove design enhances ventilation, reducing operating temperature by up to 15 percent. These pads can withstand dynamic forces exceeding 2,000 newtons and maintain stable performance in humid and dusty environments. Their lifespan in heavy industrial crane brake systems is estimated at up to 85,000 braking cycles.

The chain tensioner kits for 200 and 220 excavators

The tensioner chain kit for 200 and 220 excavators includes an adjustment lever, metal base, and return spring with a 2000 N load capacity. The lever body is made of hardened steel alloy with anti-corrosion coating, and the base plate thickness is 6 mm. Internal bearings have a 30 mm diameter and radial load capacity of 700 kg. Lever travel ranges from 20 to 35 mm with a rotation angle up to 40 degrees. The return spring is made of spring steel, 150 mm free length, and 900 N tension. All adjustment bolts follow DIN 912 standard with 30 Nm torque.

This kit is compatible with 200 and 220 excavator chain systems and allows precise chain tension control. Vibration resistance reaches 15g, and operating temperature ranges from -30 to +90°C. Internal lubrication uses high-temperature, high-pressure grease, with an estimated service life over 150,000 hours. Total kit weight ranges from 2.5 to 3.2 kg. Pressure, durability, and corrosion resistance tests comply with ISO 16232, with a power transmission efficiency over 93 percent.

ITR Excavator Lower Roller

The ITR excavator lower roller is engineered to guide and support the track in the drive system of hydraulic excavators. The roller body is made of hardened alloy steel with tensile strength up to 950 MPa, and the track contact surface features wear-resistant coating of 45-50 HRC. The outer diameter is approximately 320 mm, and the weight is around 42 kilograms. Industrial bearings with high axial and radial load capacity reduce friction and extend component life. The design allows easy installation and precise alignment with other wheels and shafts.

The ITR lower roller offers high fatigue resistance and can withstand dynamic loads up to 8 tons under heavy-duty operation. Shafts and nuts are manufactured with tolerances below 0.05 mm for smooth, vibration-free motion. The internal bearing lubrication system uses temperature- and dust-resistant grease to increase roller longevity. All components are produced according to ISO 492 and ASTM A36 standards, ensuring durability and consistent performance of the tracked system.

ITR 110-Tooth Slewing Gear for Excavator

The ITR 110-tooth slewing gear for excavators is engineered for torque transmission and precise rotation of the cabin and boom. It is made of hardened alloy steel with tensile strength up to 1050 MPa, and the teeth are surface-hardened to 45-50 HRC for high wear and pressure resistance. The outer diameter is approximately 1,100 mm, with each tooth manufactured to tolerances below 0.02 mm for smooth, slip-free operation. The 110-tooth design ensures uniform force distribution, reducing vibration and noise during excavator operation.

The ITR slewing gear offers high fatigue resistance and can withstand dynamic loads up to 20 tons, operating in temperatures from -30°C to +80°C. The total weight is approximately 520 kilograms, and installation is performed using corrosion-resistant bolts and industrial bearings with high axial and radial load capacity. All components are manufactured according to ISO 6336 and ASTM A572 standards, ensuring durability and consistent performance of the excavator slewing system.

filter base for Komatsu excavators

The filter base for Komatsu excavators is made of aluminum alloy with 8 mm thickness and 250 MPa mechanical strength. Total base length ranges from 200 to 300 mm, with a filter mounting diameter of 80 mm. Bolt holes follow M12 standard with 60 mm center-to-center spacing for quick installation without structural modifications. The filter contact surface has an anodized corrosion-resistant coating, and operating temperature ranges from -30 to +120°C. The base includes oil and water guide grooves to prevent leakage and sediment accumulation.

This base can directly mount oil, hydraulic, and fuel filters for Komatsu excavators. Total weight ranges from 1.2 to 1.5 kg, with vibration resistance up to 15g. Chemical resistance against oil, fuel, and lubricants is high, with estimated service life over 8 years. All bolts follow DIN 931 standard with 25 Nm torque. Pressure, durability, and corrosion resistance tests comply with ISO 16232, with fluid flow efficiency above 95 percent.

Caterpillar 324DL excavator

The Caterpillar 324DL excavator is equipped with a C7.1 ACERT diesel engine delivering 167 kW 224 HP at 2000 rpm. The engine displacement is 7.01 liters with a maximum torque of 1020 Nm at 1400–1600 rpm. The fuel tank capacity is 425 liters, allowing extended continuous operation. The hydraulic system provides 2×270 liters per minute flow, enabling precise and fast arm, boom, and bucket movements. The working pressure is adjustable up to 34 MPa with a hydraulic pump efficiency of approximately 93 percent.

The 324DL has an operating weight of 24,500 kg and a standard bucket capacity of 1.2–1.5 cubic meters. Overall length is 9.8 meters with a boom height of 3.3 meters. Rear swing radius is 3.2 meters, and the steering angle is 36 degrees for precise maneuvering in tight spaces. Forward and reverse speeds are 5.6 km/h. The braking system uses multi-plate hydraulic brakes with high cooling capability to ensure safety and control on slopes.

Komatsu PC300-8 excavator

The Komatsu PC300-8 excavator is equipped with an SAA6D107E-1 diesel engine delivering 164 kW 220 HP at 2000 rpm. The engine displacement is 6.7 liters with a maximum torque of 1050 Nm at 1400–1600 rpm. The fuel tank capacity is 380 liters, allowing extended continuous operation. The hydraulic system provides 2×240 liters per minute flow, enabling precise and fast arm, boom, and bucket movements. The working pressure is adjustable up to 34.3 MPa with a hydraulic pump efficiency of 92 percent.

The PC300-8 has an operating weight of 29,500 kg and a standard bucket capacity of 1.2 cubic meters. Overall length is 9.5 meters with a boom height of 3.2 meters. Rear swing radius is 3.0 meters, and the steering angle is 38 degrees for precise maneuvering in tight spaces. Forward and reverse speeds are 5.5 km/h. The braking system uses multi-plate hydraulic brakes with high cooling capability to ensure safety and control on slopes.

Types of superchargers for construction machinery: loaders, bulldozers, graders, and excavators

Superchargers for construction machinery include mechanical types Roots and Twin-Screw and turbochargers positive pressure to increase engine intake air volume. Operating pressure ranges from 0.5 to 2.5 bar, with outlet air temperatures up to 150°C. Airflow capacity varies between 500 to 5000 liters per minute depending on engine and machine type. Shafts and rotors are made of alloy steel with 55–60 HRC hardness, with maximum RPM up to 20,000 for turbos and 6,000 for mechanical superchargers.

Superchargers are equipped with double-sided bearings, high-pressure lubrication, and oil/air cooling systems to maintain engine temperature. Installation and tuning follow ISO 9001 and SAE J726 standards to ensure accurate air pressure and volume across all engine speeds. Components feature aluminum or hard chrome coating for wear and corrosion resistance, with a service life of up to 10,000 hours under industrial conditions.

components of an excavator

The main components of an excavator include the chassis, hydraulic boom, arm, bucket, diesel engine, and hydraulic system, made from high-strength alloy steel and cast iron to withstand operational weights up to 30 tons and pressures above 200 bar. Hydraulic boom lengths typically range from 4 to 7 meters, with bucket capacities from 0.5 to 3.5 cubic meters. The chassis and undercarriage, with 20 to 40 millimeter thickness, and steel tracks 450 to 700 millimeters wide, are designed to resist tensile forces up to 250 kN.

The diesel engine delivers 120 to 450 horsepower with cylinder capacities of 4 to 15 liters. Hydraulic cylinders for the arm and bucket are made from forged steel, with NBR or FKM seals preventing dust and water ingress. All components undergo non-destructive testing NDT including ultrasonic and magnetic inspections and dimensional checks up to 0.1 millimeters to ensure service life exceeding 15,000 hours.

Excavator parts for Komatsu and Hyundai

Excavator parts for Komatsu and Hyundai include hydraulics, oil pumps, main engines, gearboxes, chains, rollers, connecting rods, and control valves. Materials used include alloy steel, gray cast iron, and hardened aluminum to withstand hydraulic pressures up to 350 bar and operating temperatures up to 120°C. Component lifespan ranges from 3,000 to 20,000 hours, with dynamic load tolerance up to 50 tons, ensuring heavy construction operations continue without interruption.

All parts undergo dimensional, hydraulic pressure, leakage, and vibration testing. SAE and ISO standard connections are applied for pumps, gearboxes, and hydraulics. Surface coatings include hard chrome, nickel, and epoxy paint to resist wear, corrosion, and harsh industrial environments. Spare parts are supplied with serial numbers and certificates of authenticity to ensure full compatibility with Komatsu and Hyundai excavators.

complete cabin of a Komatsu excavator

The complete cabin of a Komatsu excavator is constructed from ST52 steel sheets with thicknesses of 3 to 5 millimeters to resist operational pressure, impacts, and vibrations. Cabin dimensions are typically 2.2 meters long, 1.5 meters wide, and 2.3 meters high, with a total weight including equipment of 450 to 650 kilograms. The structure includes reinforced pillars, a slip-resistant roof, and 8-millimeter tempered glass to ensure operator safety against falling objects and heavy vibrations.

Internal wiring uses heat-resistant 105°C, 24V DC cables. The cabin features control switches, pressure and temperature displays, ventilation system, adjustable hydraulic seat, and multi-axis control levers. Installation of electronic equipment follows ISO 13766 standards, and hydraulic and electrical functional tests are performed before delivery to ensure full safety and operational efficiency.

Komatsu excavator buckets

Komatsu excavator buckets are made from chrome-molybdenum steel with a surface hardness of 55-60 HRC, ensuring resistance to wear and repeated impacts from soil and rock for up to 10,000 operational hours. Bucket lengths range from 500 to 1200 mm, widths from 150 to 400 mm, and wall thicknesses from 20 to 50 mm depending on the excavator model. The cutting edge is designed with a 45-degree angle and curved profile to improve soil penetration and increase digging efficiency by up to 20%.

The bucket attachment system includes steel bolts and pins with 1000 MPa tensile strength and a standard spacing of 200 mm. Surface treatment with nitriding and 200-micron epoxy coating ensures corrosion and industrial moisture resistance. Impact and mechanical load testing up to 50 kN is performed, guaranteeing operational life of over 8 years under harsh environmental conditions.

Komatsu excavator engine speed sensor

The Komatsu excavator engine speed sensor is made of stainless steel and engineering-grade plastic, with thermal resistance from -40°C to 125°C, ensuring measurement accuracy of ±0.5% over 0 to 3000 rpm. The sensor diameter is 20 mm, body length 60 mm, and weight approximately 120 grams. The internal structure includes a permanent magnet and nickel-coated magnetic core, providing a noise-free output signal with frequency ranging from 0.1 to 5 kHz.

Sensor connections use vibration- and oil-resistant industrial connectors, and the signal cable is shielded against electromagnetic interference. Installation is press-fit at 1 mm distance from the flywheel to maintain measurement accuracy. Performance testing includes output signal verification under operational temperatures, 5 g vibration, and 95% humidity, guaranteeing a service life exceeding 8 years.

Excavator and Loader Teeth and Bucket Edges

Excavator and loader teeth and bucket edges are made of wear- and impact-resistant alloy steel, with heat treatment achieving 45 to 55 HRC hardness on the surface. Tooth lengths range from 300 to 1200 millimeters, and each piece weighs 20 to 350 kilograms depending on machine type and capacity. Components are designed to withstand shear forces up to 150 tons and operating temperatures from -20°C to 80°C. Attachment to the bucket uses hardened pins with nickel or chrome corrosion-resistant coating.

Teeth and bucket edges are produced using precision casting or CNC machining, with wear resistance tested according to ASTM G65. Tooth tip and edge angles range from 30 to 60 degrees to optimize penetration into soil and rock. Epoxy or UV-resistant coatings increase service life to over 10,000 hours in industrial conditions.

electrical system of a Komatsu excavator

The electrical system of a Komatsu excavator includes the starter, alternator, battery, and control boards, made from stainless steel, aluminum, and pure copper with thermal insulation to ensure stable operation from -20°C to 80°C. The starter operates at 150 A and 24 V, delivering an initial torque of up to 600 Nm. The alternator is designed for 24 V and 80 A output, featuring automatic charge control and overload protection.

Electrical connections include PVC-insulated copper cables, corrosion-resistant metals, 100 A fuses, and vibration-resistant relays. The battery has a 150 Ah capacity and over 5 years of operational life. Performance testing includes vibration, thermal shock, EMC, and full-load current according to ISO 16750, ensuring safety and longevity of electrical components under harsh working conditions.

crankshaft front damper for Komatsu-6 excavators

The crankshaft front damper for Komatsu-6 excavators is made from chrome-molybdenum steel alloy with 55-60 HRC surface hardness, ensuring resistance to torsional and impact stresses up to 1500 Nm. The outer diameter is 120 mm, inner diameter 35 mm, and wall thickness 20 mm. Dynamic balancing is performed with ±0.5 g accuracy to reduce engine vibrations between 600 and 2500 rpm, extending crankshaft service life.

The internal surface is shafted and nitrided, while the external surface is coated with 150-micron epoxy powder for industrial corrosion resistance. Installation uses grade 10.9 steel bolts. Vibration, impact, and thermal tests from -20°C to 120°C are performed according to ISO 1940 standards. Operational life under harsh industrial conditions exceeds 8 years.

DONALDSON excavator engine air filter

ِDONALDSON excavator engine air filter also known as intake filter has a very high potential to absorb and maintain the particles and contamination of air before being blown into the engine chamber by supercharger. being used in cylindrical shape, DONALDSON engine air filters help increase the life time of engine parts and increase the quality and out put of combustion. intake filters that are used on excavators are used prior to supercharger and DONALDSON is an American brand and a leading manufacturer of this product. using high quality engine air filter helps reduce the accumulation of particles on cylinder head that can in time clog the valves. high durability, high efficiency and high absorption rate is the advantage of DONALDSON excavator engine air filters.

KOMATSU excavator separator filter

KOMATSU excavator is among the most well-known manufacturers of excavators in the world that have high performance and durability. separator filters that are used on KOMATSU excavators help eliminate not only solid particles from the fuel which is gas-oil for most heavy duty machines but also removes liquid drops of water, oil and ..
by removing the liquid drips that is absobed first and stored on the top head cap of the separator filter that can later be discharged, separator filters help KOMATSU excavators have better combustion within the engine and have higher external torque. there are various manufacturers of KOMATSU excavator fuel separator filter including international brands such as FLEETGUARD, DONALDSON, MANN, SAKURA , ...

DONALDSON excavator separator filter

DONALDSON excavator separator filter is in fact a type pf modern fuel filter that is used on diesel engines that consume gas-oil , a type of fossil fuel that usually comes with lots of liquid and solid contamination. DONALDSON separator filters are used at the moment on most construction machines and excavators such as CAT, KOMATSU, VOLVO, HYUNDAI, LIEBHERR, NEW HOLLAND and other construction machines. DONALDSON separator filters can not only absorb and eliminate solid particles such as dust, sand and fumes but also unwanted liquid materials such as water and oil that reduce the combustion temperature. DONALDSON separator filters have a cap on top that help discharge the water and other liquid contamination.

KOMATSU excavator donaldson oil filter

KOMATSU excavator donaldson oil or lube filter is produced in two different designs including the standard design that starts in part number with P and the blue lube filters starting in part number with DBL which stands for donaldson blue lube. the blue filters have higher absorption ability and standard that leads to longer life time. not only DONALDSON lube filters are design for providing the highest efficiency of the engine by eliminating the unwanted particles but they also are produced international environmental standards. Heavy duty components of DONALDSON lube filters for KOMATSU excavators such as baffle pates, springs and can housing are all produced according to the highest standards.

DONALDSON excavator fuel filter

DONALDSON excavator fuel filter that is used on the diesel engines of excavators is produced and used in two different types including the standard type and separator type. standard type of DONALDSON excavator fuel engines can only eliminate the solid contamination such as dust, sand and fumes while the separator filter can also eliminate the unwanted liquid contamination such as water that reduces the combustion temperature and as a result lessens the efficiency of the engine. using fuel filter on the fuel injection of excavators helps increase the life time of engine parts namely piston and liner and avoids the contamination from accumulating on the engine head and clog the valves.

KOMATSU excavator fuel filter

KOMATSU excavator fuel filter that is produced in different brands and in different capacities for all available KOMATSU excavators including PC200, PC220, PC200-5, PC200-6, PC200-7, PC210LC, PC300, PC400-7, PC600 is used in order to eliminate the pollutants that are rampant within Gas-oil prior to being injected into the ignition chamber of KOMATSU excavators. two different types of fuel filters are used on KOMATSU excavators including old generation of fuel filters and water separator filters. KOMATSU excavator filters are available in various brands including DONALDSON, FLEETGUARD and MANN filters.

DONALDSON excavator hydraulic filter

DONALDSON excavator hydraulic filters that are used on construction machinery hydraulic systems such as hydraulic jacks have similar application as engine oil filters but depending on the flow rate and pressure of hydraulic oil they can be used with different capacity and design. in most cases due to the high duty and high load that appears in most excavators, the flow pressure of media in excavator hydraulic filters are higher than that of engine oil filters. DONALDSON excavator hydraulic filters have part numbers starting with P and are available both in white and orange color.

VOLVO excavator hydraulic filter

VOLVO excavator hydraulic filter that is usually used on the hydraulic jack in order to absorb and eliminate small metallic splinters and other pollutants from circulation the hydraulic system. VOLVO excavator hydraulic filter that is assembled on available excavators including EC210, EC240, EC290, EC460 has a very important role to increase the life time of VOLVO excavator hydraulic system parts and is manufactured in various brands including international DONALDSON, FLEETGUARD and MANN brands.

Steel wire rope for excavator

Excavating rope that is used in drilling wells has different sizes and brands that are supplied as spools.
Due to special weather and environmental conditions in drilling, wire rope should be used that has high quality, high strength, high flexibility and high thermal resistance.
As you know the wire ropes are used for drilling that have high flexibility therefore, low-tension wire ropes must be used.

excavator transmission filter

Buying Hyundai, Volvo, Caterpillar, Komatsu, New Holland, Doosan, etc. excavator gearbox filters with different brands is done at Mana Filter. Excavator is the most used type of road construction and mining machinery, which is often used as a chain wheel with a high power gearbox. Excavator gearbox filter is used in Spin-on screw type for easy replacement and often has a long working period.