China AP2D25 Excavator Main Pump | replacement parts

Piston Assembly: The piston assembly is a key part of the pump responsible for generating the hydraulic pressure.

It comprises a piston, piston rings, and a cylinder block. The piston moves within the cylinder block to create the necessary pressure. High-quality replacement piston assemblies ensure efficient performance and durability.

Valve Plate Assembly: The valve plate assembly consists of valve plates, springs, and retainer plates. It regulates the flow of hydraulic fluid within the pump, ensuring proper functioning and control of the excavator. Replacement valve plate assemblies are designed to meet the specific requirements of the AP2D25 Excavator Main Pump, providing reliable and accurate hydraulic performance.

Drive Shaft: The drive shaft transfers power from the engine to the pump, enabling its operation. It is subjected to continuous stress and wear, requiring periodic replacement. Replacement drive shafts are precision-engineered to fit the AP2D25 model, ensuring seamless power transmission and preventing any loss of performance.

Bearing and Seal Kit: The bearing and seal kit includes various bearings, seals, and gaskets necessary for maintaining proper fluid containment and preventing leakage. These components are exposed to high pressures and harsh conditions, making them prone to wear and damage over time. Replacement bearing and seal kits are made from high-quality materials, providing excellent sealing properties and prolonging the lifespan of the main pump.

Cylinder Block: The cylinder block houses the pistons and controls their movement within the pump. It is crucial for maintaining consistent hydraulic pressure and smooth operation. Replacement cylinder blocks for the AP2D25 Excavator Main Pump are manufactured to precise specifications, ensuring optimal performance and longevity.

Swash Plate: The swash plate is an essential part of the pump responsible for regulating the displacement of hydraulic fluid. It determines the speed and direction of the excavator's movements. Replacement swash plates are designed to withstand heavy loads, offering enhanced durability and precise control over the hydraulic system.

Shaft Seal Kit: The shaft seal kit comprises seals and O-rings that prevent hydraulic fluid from leaking along the pump shaft.

These seals undergo significant stress and require periodic replacement to maintain optimal performance. Replacement shaft seal kits for the AP2D25 Excavator Main Pump are made from high-grade materials, ensuring excellent sealing capabilities and preventing fluid loss.

Ball Guide: The ball guide assists in maintaining proper alignment of the piston within the cylinder block, preventing any irregular movements or excessive wear. Replacement ball guides are manufactured to strict tolerances, ensuring smooth piston operation and extending the life of the main pump.

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