Hydraulic Main Piston Pump CAT992K 988H Wheel Loader for 384-9437 384-9439 20R-6309

This variable displacement axial piston hydraulic pump is designed for the CAT 992K Wheel Loader. It delivers reliable hydraulic power for lift, tilt, and all working hydraulic circuits, ensuring consistent performance in demanding industrial applications.

• Part Numbers: 384-9437, 384-9439
• Interchange Part Numbers: 20R-6309, 216-8978, 10R-3589, 346-6095
• Application: CAT 992K Wheel Loader
• Pump Type: Variable Displacement Axial Piston Hydraulic Pump

The following symptoms may indicate pump wear or failure requiring inspection or replacement:

1. Insufficient hydraulic power and slow movement
2. Excessive internal pump leakage, unable to build up pressure
3. Abnormal noise and severe vibration of the pump
4. Hydraulic oil overheating
5. Oil leakage at pump shaft and joint surface
6. Stuck displacement mechanism, flow control failure

To ensure correct part selection and delivery, please provide the following information when ordering:

1. Machine serial number to confirm part interchangeability.
2. Specify your demand: complete pump assembly / spare parts / seal kit.
3. Quality options: Genuine / OEM / Remanufactured.
4. Pre-delivery inspection: pressure test and visual inspection.
5. Seals and O-rings can be provided upon request.
6. Export packing with shockproof and anti-rust treatment.