CAT Hydraulic Pump – Product Overview
Hydraulic pumps convert mechanical power from the engine into hydraulic flow and pressure to operate the machine’s hydraulic systems including boom, arm, bucket, and travel functions. They are the heart of the excavator hydraulic system.
Applications
This Hydraulic Pump is designed for CAT construction equipment and industrial engines. It is compatible with a wide range of machine models and engine configurations. The component is manufactured to meet or exceed original equipment specifications for reliable performance in demanding operating conditions.
Compatible OEM Part Numbers
We supply the following comprehensive list of CAT Hydraulic Pump part numbers. These part numbers cover various machine models, engine configurations, and design revisions:
- Primary Part Number: 10R1001 hydraulic pump
- Also Available: 305-5E Main Pump 4230097
- Also Available: 306E Main Pump 3973941
- Also Available: 329D Main Pump 272-6959
- Also Available: 329D Main Pump Assy 272-6959
- Also Available: 5511122 Main Pump
- Also Available: Main Pump 3585004
If your specific part number is not listed, please contact our sales team with your machine model and serial number. We can source most part numbers with short lead times.
Technical Specifications
- Product Type: Hydraulic Main Pump / Piston Pump
- Type: Variable displacement piston pump
- Material: High-strength cast iron housing with hardened pistons
- Quality: OEM specification
Installation Guide
- Ensure the machine is on level ground, engine off, and all systems are safely depressurized before starting work.
- Clean the area around the component thoroughly to prevent contamination during removal and installation.
- Refer to the manufacturer service manual for the specific removal and installation procedure.
- Use proper tools and lifting equipment as specified in the service manual.
- Replace all gaskets, seals, and O-rings with new ones during installation.
- Tighten all fasteners to the manufacturer’s specified torque values using a calibrated torque wrench.
- After installation, check for proper operation and leaks before returning the machine to service.
- Perform a test run at low speed and gradually increase to normal operating speed.
Price Range
$800 – $6,000 USD per pump (depending on size and brand)
Volume discounts are available for fleet operators and repair shops. Contact our sales team for a firm quote based on your specific part number and quantity requirements.
Maintenance Tips
- Check hydraulic oil level and condition daily.
- Replace hydraulic oil filters at recommended intervals.
- Monitor system pressure and flow during operation.
- Check for leaks at pump shaft seal and connections.
- Listen for unusual pump noise (cavitation or bearing wear).
- Keep hydraulic oil clean – contamination is the leading cause of pump failure.
- Test pump output flow during major service intervals.
Warranty
All products supplied by us are covered by a 12-month warranty against manufacturing defects in materials and workmanship. The warranty covers replacement or repair at our discretion. Proper installation by a qualified technician and adherence to the recommended maintenance schedule are required for warranty validity.
Shipping and Delivery
In-stock items ship within 24-48 hours via express freight (DHL, FedEx, or UPS). Standard delivery time is 5-10 business days worldwide. Expedited shipping options are available upon request. All shipments are fully insured and include tracking information.
Why Choose Our Products?
- Direct OEM replacement with guaranteed fitment and performance
- Rigorous quality testing before shipment
- Competitive pricing with factory-direct supply chain
- Technical support available for installation and troubleshooting
- Proven reliability with thousands of units supplied worldwide
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