Construction machinery

Construction machinery engine components

Engine components in construction machinery, including pistons, rings, connecting rod bushings, crankshafts, and hydraulic pumps, are manufactured from alloy steel and high-strength aluminum to withstand cylinder pressures up to 25 MPa and operating temperatures up to 300 degrees Celsius. Dimensions and tolerances are CNC-controlled, with surface finishing precision up to 0.01 millimeters. Contact surfaces are reinforced with wear-resistant coatings, nitriding, and hardening to ensure a service life exceeding 12,000 operating hours. Friction coefficients between contacting surfaces range from 0.08 to 0.12, and components can sustain instantaneous loads up to 2000 Nm.

In the design of construction machinery engine components, oil pathways and cooling channels are optimized to provide uniform lubrication and rapid heat dissipation. Components are engineered to resist vibrations, shocks, and thermal stresses, with thermal deformation under 0.05 millimeters. Weight varies from 0.2 to 35 kilograms depending on function, allowing direct installation on the engine block and chassis with standard bolts and shafts. Reliable operation is ensured within a temperature range of -20 to 300 degrees Celsius, maintaining optimal engine performance.

hydraulic pump for construction machinery

The hydraulic pump for construction machinery is designed to provide steady flow and high pressure in the control and motion circuits of heavy-duty equipment. It is an axial piston pump with a swash plate and internal pressure compensation mechanism. The displacement per revolution ranges from 70 to 200 cubic centimeters, with continuous operating pressure up to 350 bar. The housing is made of ductile cast iron GGG50 with a tensile strength of 500 MPa. The inner cylinder surface is coated with 25-micron hard nickel to enhance wear resistance. The pump maintains stable efficiency in temperatures from -30°C to +120°C under heavy-duty conditions.

Hydraulic pumps for construction equipment are manufactured with over 94 percent volumetric efficiency and a precisely engineered lubrication system. The drive shaft is made from 42CrMo4 alloy steel with deep heat treatment for high torsional strength. The sealing system uses FKM O-rings resistant to 400 bar pressure and 200°C temperature. Tapered roller bearings with a 45 kN radial load capacity extend service life beyond 13,000 hours. These pumps deliver reliable and continuous power transmission in excavators, loaders, and graders.

Construction machinery engine components

Construction machinery engine components include pistons, rings, connecting rod bushings, crankshafts, and hydraulic pumps, manufactured from alloy steel and high-strength aluminum to withstand cylinder pressures up to 25 MPa and operating temperatures up to 300 degrees Celsius. Dimensions and tolerances are CNC-controlled, with surface finishing precision up to 0.01 millimeters. Contact surfaces are enhanced with nitriding, wear-resistant coatings, and hardening to ensure component life up to 12,000 operating hours. Friction coefficients between contacting surfaces range from 0.08 to 0.12, and components can endure instantaneous loads up to 2000 Nm.

In the design of these components, oil flow and cooling channels are optimized to guarantee uniform heat transfer and lubrication. Mechanical resistance against vibrations, shock loads, and thermal stresses is ensured, with thermal deformation below 0.05 millimeters. Component weight varies from 0.2 to 35 kilograms depending on the application, allowing direct installation on the chassis and engine block using standard bolts and shafts. Stable operation is guaranteed within a temperature range of -20 to 300 degrees Celsius.

Construction machinery engine components

Engine components in construction machinery, including pistons, rings, connecting rod bushings, crankshafts, and hydraulic pumps, are made from alloy steel and high-strength aluminum to withstand cylinder pressures up to 25 MPa and operating temperatures up to 300 degrees Celsius. Dimensions and tolerances are CNC-controlled, with surface finishing precision up to 0.01 millimeters. Contact surfaces are reinforced with nitriding, hardening, and wear-resistant coatings to ensure a service life exceeding 12,000 operating hours. Friction coefficients range from 0.08 to 0.12, and components can endure instantaneous loads up to 2000 Nm.

Oil pathways and cooling channels are optimized to provide uniform lubrication and efficient heat dissipation. Components are engineered to resist vibrations, shocks, and thermal stresses, with thermal deformation below 0.05 millimeters. Component weight varies between 0.2 to 35 kilograms depending on application, and installation is direct on the chassis and engine block using standard bolts and shafts. Reliable operation is guaranteed within a temperature range of -20 to 300 degrees Celsius, maintaining optimal engine performance.

ITR construction machinery sprocket

The ITR construction machinery sprocket is engineered to transfer power and motion to the track in heavy machinery drive systems. It is made of hardened alloy steel with tensile strength of 1000 MPa and surface hardness of 45-50 HRC. The internal diameter is designed to fit the machine shaft, with tolerances below 0.02 mm ensuring precise installation and slip-free rotation. Teeth surfaces are wear-resistant and coated against corrosion, providing a service life of up to 5000 operating hours under heavy-duty conditions. The sprocket design ensures uniform force distribution on the track while reducing friction.

The ITR sprocket can withstand dynamic loads up to 15 tons and offers high fatigue resistance. Each sprocket weighs approximately 35 kilograms and is installed using corrosion-resistant bolts and precise tolerances. Industrial bearings with high radial and axial load capacity ensure smooth operation and reduced system vibration. All components are manufactured according to ISO 6336 and ASTM A572 standards, ensuring durability and consistent performance of construction machinery under heavy-duty operating conditions.

Track Chain without Shoes for Construction Machinery

The ITR track chain without shoes is engineered for power and motion transmission in excavator and bulldozer track systems. It is made of hardened alloy steel with tensile strength up to 1000 MPa, and the internal teeth are surface-hardened to 45-50 HRC for high wear and pressure resistance. The pitch ranges from 160 to 200 mm, and pin thickness is approximately 50 mm, ensuring stability and long-term durability. All joints are manufactured with tolerances below 0.05 mm to provide smooth, slip-free operation in the system.

The ITR track chain without shoes offers high fatigue resistance and can withstand dynamic loads up to 20 tons, operating in temperatures from -30°C to +80°C. Each meter of chain weighs approximately 75 kilograms, and the tooth design distributes forces evenly, reducing point pressure on shafts and wheels. All components are produced according to ISO 13565 and ASTM A572 standards, ensuring durability and consistent performance of the tracked system.

ITR Construction Machinery Fork

The ITR construction machinery fork is engineered for handling and stabilizing heavy loads in construction and mining equipment. It is made of hardened alloy steel with tensile strength up to 950 MPa and a wear- and corrosion-resistant surface of 40-45 HRC. The fork arms are approximately 1200 mm long with a total width of 400 mm, ensuring stability and uniform load distribution. The chassis attachment design with tolerances below 0.05 mm allows quick and secure installation, preventing slippage and unwanted movement.

The ITR fork offers high fatigue resistance and can withstand dynamic loads up to 10 tons, operating in temperatures from -30°C to +80°C. The total weight is around 85 kilograms, and the load contact surface is designed with precise curvature to reduce point pressure. All components are manufactured according to ISO 1052 and ASTM A36 standards, ensuring durability, safety, and consistent performance under heavy-duty operating conditions.

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.

Construction machinery chains

Construction machinery chains are typically made of heat-treated alloy steel with surface chrome plating to enhance wear, fatigue, and corrosion resistance. Chain widths range from 150 to 700 millimeters, with lengths from 1 to 10 meters depending on the equipment type. Dynamic load capacity per link ranges from 5 to 50 tons, and operating temperature is designed from -20°C to 120°C. Rollers and pins have 50 to 60 HRC hardness and are pre-lubricated with grease under pressure up to 5 bar.

Chains undergo precise dimensional and functional inspection, with epoxy or nickel anti-corrosion coating for harsh industrial and soil environments. Pin spacing and link pitch are designed according to ISO 1677 and DIN 8165 standards. Chain installation and tensioning are performed with hydraulic or mechanical tools, ensuring a service life exceeding 20,000 hours.

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.

Supplying construction machinery parts

Supplying construction machinery parts includes gearboxes, oil pumps, hydraulics, chains, and rollers made from alloy steel, gray cast iron, and hardened aluminum. Component lifespan ranges from 3,000 to 20,000 hours, with hydraulic pressure tolerance up to 350 bar and temperature resistance up to 120°C. ISO 9001, DIN 51502, and API 610 standards are applied in design and manufacturing to ensure safety and durability.

The supply process includes incoming quality testing, dimensional and functional inspection, and moisture- and corrosion-resistant packaging. Bearings and connectors are rated for dynamic loads up to 50 tons and operating speeds from 50 to 3,000 rpm. Parts are also coated with hard chrome, nickel, and epoxy paint to resist wear and harsh industrial environments.

Construction machinery sunroofs

Construction machinery sunroofs are typically made of tempered glass 8 to 12 millimeters thick, with corrosion-resistant steel or aluminum frames. Standard dimensions range from 500×500 to 1200×1000 millimeters, with wind pressure resistance up to 1200 Pascal and ambient temperature tolerance up to 80°C. The opening and closing system uses a 12 or 24-volt electric motor with worm gear and movement speed of 5 to 10 millimeters per second.

The mechanism includes steel rails and rollers with nickel coating and initial lubrication for smooth, wear-free operation. EPDM sealing prevents dust and water ingress into the cabin, with a service life of over 50,000 open-close cycles. Sunroof design complies with ISO 12100 and construction machinery safety standards.

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.