Excavator Iran

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

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.

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.