Construction Machinery

Construction machinery engine parts

Construction machinery engine parts include pistons, cylinders, crankshafts, bearings, and valves, all operating under high pressure and temperature conditions. These parts are typically manufactured from carbon steel alloys, gray cast iron, and forged aluminum to ensure high mechanical and thermal strength. Cylinder diameters in construction engines range from 95 to 120 millimeters, while piston strokes vary between 100 and 140 millimeters. The crankshaft surface hardness is around 60 HRC, and bearings can withstand pressures exceeding 5000 Newtons per square centimeter. The design of these components guarantees engine efficiency under heavy-duty operations.

Proper lubrication of construction machinery engine parts is achieved by an oil pump operating at 3 to 5 bar pressure, preventing wear and excessive heat. Operating temperatures of these engines usually range from 90 to 110 degrees Celsius, while valves are manufactured from heat-resistant steel capable of withstanding up to 750 degrees Celsius. Piston weights vary between 1.5 and 3 kilograms depending on engine size, and their surfaces are coated with tin or graphite to reduce friction. The estimated service life of construction engine components under standard conditions exceeds 8000 hours.

Supply of road construction machinery parts

Road construction machine parts are engineered using high-strength alloy steel, ductile iron, and wear-resistant alloys. Heat treatment processes including normalizing and quenching increase hardness to 50–64 Rockwell C, extending service life. Hydraulic components are rated for up to 360 bar operating pressure, utilizing multilayer composite seals for reliable performance under demanding conditions. Bearings and bushings are manufactured with dimensional accuracy below 0.003 millimeters, enhancing motion efficiency and reducing friction. Metallic surfaces are protected with ceramic or electroless nickel coatings applied at 30–55 microns thickness.

The weight of road construction machine parts ranges from 2 kilograms for auxiliary components to over 900 kilograms for primary assemblies. Mechanical joints employ grade 12.9 bolts and hardened bushings to withstand high dynamic loads. Rubber and polyurethane parts are produced with hardness values of 60–90 Shore A, providing vibration absorption along with tear and compression resistance. Advanced CAD and FEA software is applied for design and analysis, ensuring that critical components deliver more than 15000 operational hours in construction and mining projects.

Construction Machinery Engine Parts

Construction engine parts include essential components such as pistons, connecting rods, crankshafts, bearings, and valves, all playing a critical role in the efficiency of heavy-duty diesel engines. These components are designed to operate under demanding conditions, including continuous load cycles, combustion pressures above 160 bar, and operating temperatures near 110 degrees Celsius. Pistons are typically made of die-cast aluminum alloys with heat resistance up to 420 degrees Celsius, while crankshafts are forged from alloy steel and surface-hardened to 60 HRC, enabling them to handle torques exceeding 3200 Newton-meters.

To reduce wear, piston rings are coated with molybdenum or hard chrome, decreasing surface friction by up to 25 percent. Valves are manufactured from heat-resistant steel, capable of withstanding 800 degrees Celsius, while bearings reinforced with babbitt layers can tolerate loads over 6500 Newtons per square centimeter. The lubrication system operates at an oil pressure of 4 to 6 bar, maintaining frictional heat under control. In Komatsu, Hyundai, and Caterpillar machinery, the average service life of these engine components is estimated between 9000 and 12000 hours.

Construction Machinery Engine Parts

Engine parts of construction machinery from Komatsu, Hyundai, and Caterpillar include pistons, crankshafts, bearings, rings, and valves designed for reliable operation of heavy-duty diesel engines. These components operate under combustion pressures exceeding 150 bar and working temperatures between 90 and 110 degrees Celsius. Pistons are manufactured from forged aluminum alloys with heat resistance up to 400 degrees, while rings are made from alloyed cast iron with hardness around 230 HB. Crankshafts undergo surface hardening to achieve 58–62 HRC and withstand high torque values ranging from 2800 to 3200 Newton-meters.

Valves are produced from heat-resistant alloy steel and can operate under temperatures up to 750 degrees Celsius. Bearings are reinforced with babbitt or bronze alloys, allowing them to withstand loads of 6000 Newtons per square centimeter. The lubrication system functions at an oil pressure of 4 to 6 bar to minimize friction and reduce thermal stress. The estimated service life of these engine components in Komatsu, Hyundai, and Caterpillar construction machinery ranges between 9000 and 12000 hours under standard conditions.

Construction Machinery Engine Parts

Engine components in construction machinery such as Komatsu, Hyundai, and Caterpillar consist of essential parts including pistons, rings, crankshafts, bearings, and cylinder heads. These parts are engineered to withstand high pressures and continuous thermal loads, ensuring stable performance of heavy-duty diesel engines. Cylinder diameters in many construction engines range from 100 to 130 millimeters, with piston strokes between 120 and 150 millimeters. Crankshafts are manufactured from forged steel with tensile strength above 900 MPa, while bearings can handle pressures up to 6500 Newtons per square centimeter.

Valves are produced from heat-resistant alloy steel capable of withstanding temperatures between 780 and 800 degrees Celsius, with surfaces hardened by chrome or nickel plating. Piston rings are coated with molybdenum to reduce friction and extend service life. The lubrication system operates at an oil pressure of 5 bar, preventing temperature rise in long-duty operations. The average service life of construction engine components is estimated at 10000 hours under standard conditions, which can be extended with regular maintenance.

Supply of road construction machinery parts

Road construction machine parts are manufactured from carbon alloy steel, ductile cast iron, and engineering polymers to ensure durability and strength under harsh conditions. Induction hardening increases surface hardness up to 62 Rockwell C, optimizing wear resistance. Hydraulic components are designed for pressures up to 350 bar, sealed with FKM and PTFE O-rings. Bearings and rollers are produced with clearance below 0.005 millimeters to maintain precise movement under heavy loads. Phosphate and galvanized coatings with uniform thickness of 25 to 50 microns are applied to protect metallic surfaces.

Component weight ranges from 1.5 kilograms for auxiliary parts to 800 kilograms for major assemblies such as arms and chassis. Fasteners are selected with strength class 12.9 to guarantee safety under long-term cyclic loading. Elastomeric parts are designed with hardness of 65 to 85 Shore A to absorb vibration and reduce structural stress. Three-dimensional design with advanced CAD software and stress analysis by finite element method is applied, ensuring service life exceeding 12000 hours for critical components.

Construction machinery turbocharger

Construction machinery turbochargers are manufactured from aluminum and high-strength steel alloys to ensure increased air pressure and engine efficiency under heavy loads. Compressor blades are designed with hardness of 50–55 Rockwell C and temperature resistance up to 650 degrees Celsius, capable of rotating at 100,000 RPM. Turbo outlet pressure is set between 1.5 and 2.2 bar, and central bearings with clearance below 0.005 millimeters ensure smooth, vibration-free operation. Anti-corrosion and thermal coatings on the blades enhance turbocharger lifespan in harsh environments.

The weight of construction machinery turbochargers ranges from 15 to 50 kilograms depending on model, with mounting using grade 12.9 bolts. Lubrication is provided by engine oil at 5–7 bar, and cooling is performed via water or oil systems to control blade temperature. Housing and impeller design is optimized with CAD software and CFD analysis to improve airflow and increase volumetric efficiency up to 87 percent. Estimated service life under standard operating conditions exceeds 12000 hours.

Construction machinery supercharger

Construction machinery superchargers are manufactured from high-precision aluminum and steel alloys to ensure increased air pressure and engine efficiency under heavy loads. Compressor blades are heat-treated to 50–55 Rockwell C and can withstand rotational speeds up to 80,000 RPM. Supercharger inlet pressure is set between 1.2 and 2.0 bar, and operating temperature remains stable up to 120 degrees Celsius. Central bearings are designed with clearance below 0.005 millimeters to reduce vibration and noise while extending component lifespan.

The weight of construction machinery superchargers varies between 12 and 45 kilograms depending on model, with mounting performed using grade 12.9 bolts. Lubrication is provided by engine oil at 5–7 bar, and cooling is achieved via water or oil systems to control blade temperature. Impeller and housing design is performed with CAD software and CFD analysis to optimize airflow and increase volumetric efficiency up to 85 percent. The estimated service life under standard operating conditions exceeds 12000 hours.

Supply of road construction machinery parts

Road construction machine parts include mechanical and hydraulic components manufactured from heat-treated alloy steel and wear-resistant cast iron. Surface hardness of components after heat treatment ranges between 45 and 60 Rockwell C. Bearings and bushings are produced with dimensional tolerances below 0.01 millimeters to ensure precision performance. Hydraulic systems operate with working pressure between 180 and 320 bar, using NBR and FKM seals to prevent leakage. Anti-corrosion coating is applied to metal parts with a thickness of 20 to 40 microns.

The weight of road construction machine parts varies from 2 kilograms for small components to more than 600 kilograms for major assemblies. Bolted joints are selected with strength class 10.9 or higher to ensure stability under dynamic loads. Rubber components are designed with hardness of 70 to 80 Shore A to provide vibration absorption and noise reduction. Dimensional and geometric design is carried out using CAD software and finite element analysis to guarantee operational lifespan exceeding 10000 hours.

Construction machinery chain

Construction machinery chains are manufactured from manganese-chromium alloy steel with tensile strength exceeding 1200 megapascals to ensure resistance under heavy loads. Pins and bushings are induction hardened to achieve surface hardness between 58 and 62 Rockwell C. Machining accuracy of bushings is below 0.01 millimeters, reducing friction and extending service life. These chains can withstand static loads above 250 kilonewtons and remain stable under temperatures ranging from minus 40 to plus 120 degrees Celsius.

The weight of each meter of construction machinery chain varies from 85 to 150 kilograms depending on size, with design carried out using 3D CAD software. Internal lubrication is performed with lithium-based grease of NLGI 2 grade to guarantee smooth operation under dynamic loads. Surface coating of phosphate or galvanization with thickness of 20 to 40 microns is applied to prevent corrosion and improve durability in humid environments. The estimated service life of these chains exceeds 10000 hours under standard operating conditions.

Stick jack components for construction machinery

Stick jack components for construction machinery include hydraulic cylinders, pistons, bushings, washers, and flow control valves, manufactured from alloy steel and aerospace-grade aluminum. Cylinder working pressure reaches up to 320 bar, and operating temperature ranges from minus 40 to plus 120 degrees Celsius. Piston rods and cylinder shafts are induction-hardened to 55 Rockwell C to enhance wear and fatigue resistance. Bushing dimensional tolerance is below 0.005 millimeters to ensure smooth, backlash-free movement under heavy loads.

The weight of each stick jack component set ranges from 10 to 75 kilograms depending on capacity, with assembly using grade 10.9 bolts. Internal lubrication uses high-pressure, high-temperature hydraulic oil to reduce friction and wear. Flow control valves operate at 250–320 bar to maintain safety and hydraulic system performance. The estimated service life exceeds 12000 hours under standard operating conditions, with geometric design optimized using CAD software and FEA analysis.

Lifting jack components for construction machinery

Construction machinery lifting jack components include hydraulic cylinders, pistons, bushings, washers, and safety valves, manufactured from high-precision alloy steel and aluminum. Cylinder working pressure is up to 320 bar, and operating temperature ranges from minus 40 to plus 120 degrees Celsius. Piston rods and shafts are induction-hardened to 55 Rockwell C to enhance wear and fatigue resistance. Bushing dimensional tolerance is below 0.005 millimeters to ensure smooth, backlash-free operation under heavy dynamic loads.

The weight of each lifting jack component set ranges from 12 to 85 kilograms depending on capacity, with assembly using grade 10.9 bolts. Internal lubrication is provided by high-pressure, high-temperature hydraulic oil to reduce friction and wear. Safety and flow control valves operate at 250–320 bar to maintain lifting system security. Service life under standard operating conditions exceeds 12000 hours, and geometric design is optimized using CAD software and FEA analysis.

Bobcat parts for construction machinery

Bobcat components include mechanical, hydraulic, and electrical parts for compact construction and loading machinery, manufactured from high-strength alloy steel and aluminum. Mechanical parts are heat-treated to 48–60 Rockwell C to enhance wear and impact resistance. Hydraulic systems operate at pressures of 250–320 bar and use FKM and PTFE O-rings to prevent leakage. Bearing and bushing tolerances are below 0.01 millimeters to ensure smooth, backlash-free movement under dynamic loads.

The weight of Bobcat components varies from 1.5 kilograms for small parts to over 150 kilograms for main assemblies. Fasteners are grade 10.9 or higher to maintain stability under dynamic loads and vibrations. Rubber parts are designed with hardness of 70–85 Shore A to reduce vibration and noise. Dimensional and geometric design is performed with CAD software and finite element analysis to ensure a service life exceeding 10000 hours for critical components.

Construction machinery hydraulic filter

There are various hydraulic and pneumatic sections within the construction machines. hydraulic filters are used on the hydraulic pass to filter and eliminate splinters and contamination of hydraulic oil or other hydraulic fluid and help maintain and increase the durability of hydraulic system parts. hydraulic jacks are one of the hydraulic systems of construction machines that require hydraulic filters. in some specific cases if the oil filter has the same flow rate, pressure and capacity to remove hazardous contamination from the hydraulic flow can be used instead of hydraulic filter. However, since construction machines bear very high levels of pressure within the hydraulic system it is recommended to use high quality hydraulic filters with international brands such as DONALDSON, FLEETGUARD, MANN, SAKURA, BALDWIN , ...

Construction machinery separator filter

Various kinds and brands of separator filters are used on construction machines such as excavators, wheel loaders, bulldozers, dump trucks and Bobcat mini loaders. construction machines diesel engines should generate very high power and torque and therefore using separator filters to enhance the quality of gas-oil prior to being injected into the engine chambers could help increase the external torque substantially. the advantage of using separator filters on construction machines as opposed to fuel filters is that fuel filters are basically unable to remove unwanted liquid particles such as water drops that lessens the potential of gas-oil. the most well-known manufacturers of separator filters are Donaldson, Mann which is used by default on DEUTZ engines, Fleetguard that is used as OE part on Cummins diesel engines.

Construction machinery fuel filter

Fuel filter that is used in construction machines to purify the gas oil that feeds the diesel engines such as Cummins play a very important role in higher durability of engines parts since gas oil use high levels of contamination , fume and sands once being pumped from the tanks. Construction machinery fuel filter should be monitored and replaced on regular basis in order to have a better combustion within the engines, prevent the valves from being clogged and better maintain engine parts. fuel filter is produced in various size for construction machines depending on the working capacity of the engine and the cylinder volume. some of the well-known manufacturers of fuel filter for construction machines are Donaldson, Fleetguard, Mann.

Construction machinery engine air filter

Construction machinery air filter that is used most often in cylindrical shape has a very important role to enhance the combustion and performance of diesel engines but purifying the air and help maintain and increase the life time of engine parts. considering the working condition of construction machines including wheel loaders, excavators and bulldozers that are widely exposed to high levels of dust and contamination using engine are filter also known as intake air filter sounds paramount. the internal media of most intake air filters is cellulose and in some specific cases flame resistant cellulose.