What Are the Key Compatibility Points for Rexroth A8VO160 Hydraulic Pump Parts with CAT Diesel 330/345 Excavators?

1. Fully Compatible Machine Models

The Rexroth A8VO160 hydraulic pump is widely used as a main pump replacement for the following CAT excavator models:

• CAT Diesel 330 / 330B / 330BL / 330LN

• CAT Diesel 345B / 345BL / 345BLC

Its displacement and flow specifications are designed to match OEM systems precisely.

2. Critical Matching Components

When fitting A8VO160 to CAT excavators, attention must be paid to:

• Piston Group: Affects volumetric efficiency and response under pressure

• Cylinder Block: Must withstand high pressure; material and machining precision are essential

• Valve Plate (L/R): Compatibility in angle and surface treatment is vital for sealing and efficiency

• Drive Shaft & Center Pin: Alignment with engine connection is crucial

• Control Parts: Components like control piston, spring, and retainer affect control responsiveness

3. Replacement Advantages

• Cost-Effective: More affordable than OEM parts while offering comparable performance

• Perfect Fit: Follows original installation dimensions; no modification required

• Durability: Uses wear-resistant alloys to extend service life

• Service Friendly: Modular design allows for fast on-site replacement

4. Installation Tips

• Always measure all key dimensions before installation to ensure 100% compatibility

• After replacement, perform system depressurization and no-load testing

• Recommended to change hydraulic oil and filters together with the pump for better performance