Oil pump

Oil pump


The oil pump is the core power component of the engine's forced lubrication system. It relies on mechanical transmission to generate pressure, which pressurizes the oil in the oil pan and delivers it to all moving friction parts such as the crankshaft, connecting rods, camshaft, and valves, achieving full-area circulation lubrication, cooling and heat dissipation, and cleaning of impurities.

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Product Description

Oil pump

Product Introduction

The oil pump is a core power component of the engine’s forced lubrication system. Relying on mechanical transmission to generate pressure, it delivers pressurized oil from the oil pan to all moving friction parts such as the crankshaft, connecting rods, camshaft, and valves. This achieves full-area circulation lubrication, cooling, and cleaning of impurities, effectively reducing wear and tear on machine parts and preventing major failures such as dry friction, bearing seizure, and crankshaft burnout. It is a key component ensuring the stable and long-term operation of the engine.

The product is assembled with a precision cast aluminum housing and high-strength transmission gears. It features precise workmanship, stable pump oil pressure, sufficient oil flow, low operating noise, wear resistance, and durability. The pressure relief structure is rationally designed, ensuring controllable oil pressure that is not easily exceeded or dropped. It uses original factory standard dimensions and transmission structure, allowing for easy disassembly and assembly, and strong interchangeability, making it suitable for the maintenance and replacement of various engineering diesel engines.

Application Scenarios

  • Construction Site Operations: For loaders with frequent start-stop and variable load operations, continuous and stable oil supply ensures lubrication of machine parts throughout the process.
  • Heavy-Duty Mining Conditions: For long-term, high-torque uphill operations, stable oil pressure under high loads prevents damage from insufficient oil.
  • Continuous operation at sand and gravel quarries: Allows for continuous, full-load operation around the clock, ensuring smooth fuel supply and extending engine overhaul intervals.
  • Engine repair and maintenance: Suitable for replacing and installing components to address issues such as low oil pressure, weak oil pumping, abnormal noises, and wear failure.
  • Complex high and low temperature operating conditions: Provides rapid oil pumping during low-temperature starts and prevents pressure loss at high temperatures, making it suitable for various harsh operating environments.

Product Specifications

  • Compatible Models: Universal for 3-7 ton multi-cylinder diesel engines in loaders
  • Main Body Material: Die-cast aluminum alloy housing, alloy transmission gears
  • Drive Method: Gear drive / crankshaft timing drive
  • Structure: Gear-type oil pump
  • Components: Pump body, drive gear, driven gear, pressure relief valve, transmission joint
  • Rated Oil Supply Pressure: Standard working oil pressure of the engine, stable and consistent pressure
  • Oil Supply Flow: Ample flow to meet the lubrication and heat dissipation needs of the entire machine
  • Operating Temperature: -25℃~110℃, resistant to high-temperature immersion in oil without deformation
  • Transmission Speed: Adapts to the rated speed of the engine, less prone to gear dislodgement at high speeds
  • Wear Resistance: High gear hardness, low long-term meshing wear, long service life
  • Product Advantages: Powerful pump, stable oil pressure, uniform oil supply, less prone to pressure leakage, good low-temperature starting, wear-resistant and durable, easy installation, wide maintenance versatility

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