Backhoe Loader CAT 414E 416E 422E 428E 434E Hydraulic Main Piston Pump Part Number: 350-0666 20R-4693 247-7867 296-6714

This variable displacement piston hydraulic pump is designed for CAT 414E, 416E, 422E, 428E, 432E, and 434E backhoe loaders. It delivers reliable hydraulic power for digging, loading, steering, and all working circuits.

• Part Number: 350-0666
• Interchange Part Numbers: 20R-4693, 247-7867, 296-6714
• Pump Type: Variable displacement piston hydraulic pump
• Compatible Machines: CAT 414E, 416E, 422E, 428E, 432E, 434E backhoe loaders

The following symptoms may indicate a failing hydraulic main piston pump:

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 you receive the correct part, please provide the following information when placing your order:

1. Machine serial number to confirm part interchangeability.
2. Your demand type: complete pump assembly, spare parts, or seal kit.
3. Quality option: Genuine, OEM, or 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.