Gear Pump

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Replacement Gear Pumps for Hydraulic Equipment

Explore replacement gear pumps at Fab Heavy Parts for selected construction equipment, agricultural machinery, forklifts, commercial mowers, and other hydraulic applications. This collection includes hydraulic gear pumps, pilot gear pumps, tandem pump configurations, hydrostatic drive pumps, and selected fuel gear pumps.

Gear pumps use rotating gears to move fluid through a pump housing. However, pumps serving different systems can vary significantly in design, operating requirements, and connections. Selecting the correct replacement starts with identifying the original pump and its application.

Hydraulic Gear Pump Types and Configurations

Our collection includes several replacement options:

  • Single hydraulic gear pumps: Listed for selected tractors, excavators, forklifts, and other hydraulic equipment.

  • Pilot gear pumps: Used in applicable excavator hydraulic control systems.

  • Tandem and double-section pumps: Configurations containing two pumping sections for designated hydraulic applications.

  • Hydrostatic drive pumps: Left-hand and right-hand replacement options for selected commercial mowing equipment.

  • Fuel gear pumps: Application-specific pumps listed for certain diesel engine fuel systems.

These pump types serve different functions and should not be treated as interchangeable.

Equipment Applications and Replacement References

The collection includes hydraulic gear pumps for selected Caterpillar, Komatsu, Hitachi, Case/IH, John Deere, and other equipment applications.

Examples include hydraulic gear pump 093-7170 for listed Caterpillar E110B, E120, and E120B excavators, and reference 705-52-30210 for the Komatsu FD135-6 forklift. A separate pilot gear pump, references 4181700 and 9217993, is listed for selected Hitachi EX-series excavators.

For agricultural equipment, the collection includes pump reference 308873A1 for specified Case/IH tractor models. Commercial mower applications include hydrostatic pump PG-1KCC-DY1X-XXXX, listed for selected equipment from Ariens, Dixie Chopper, Dixon, Scag, and other manufacturers.

Each example refers to a particular product listing. Confirm the exact equipment configuration before ordering.

Choosing the Correct Replacement Gear Pump

Begin by comparing the original pump's part number with the replacement listing. Where applicable, check rotation direction, shaft type, mounting pattern, port configuration, displacement, and operating requirements.

For additional hydraulic pump options, explore our hydraulic pump collection.

If the original part number is missing or the replacement configuration is unclear, gather the equipment make, model, serial number, pump identification markings, and photographs before selecting a replacement.

Need Help Finding the Right Gear Pump?

Can't find the replacement part you need? Send FAB Heavy Parts your part number, engine model, or equipment details. Our team can help review your requirements and provide a quotation.

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Frequently Asked Questions

How do I know which gear pump fits my equipment?

Start by checking the part number and identification markings on your original gear pump. Compare them with the replacement gear pump listing and confirm your equipment make, model, and serial number. Depending on the pump, you'll also need to verify the rotation direction, shaft type, mounting arrangement, hydraulic ports, and operating specifications. We recommend checking these details before ordering because similar-looking pumps may have different configurations.

What's the difference between a single gear pump and a tandem gear pump?

A single gear pump has one pumping section, while a tandem gear pump combines two pumping sections in one assembly. Tandem pumps may supply separate hydraulic circuits or meet different system requirements. The correct choice depends on your equipment's original hydraulic design. A tandem pump should not be substituted for a single pump, or vice versa, without confirming the system requirements.

Does the rotation direction matter when replacing my hydraulic gear pump?

Yes. Many gear pumps are designed for a specified shaft rotation direction when viewed from the designated shaft end. Installing a pump with the wrong rotation configuration can prevent proper operation and may damage the pump or hydraulic system. Check the manufacturer's rotation designation, along with the shaft and port configuration, before choosing a replacement.

Can you help me identify a gear pump if I can't find its part number?

You can provide your equipment make, model, and serial number, along with clear photographs of the original pump. Images showing the mounting flange, shaft, hydraulic connections, and any identification plate are especially useful. Measurements and relevant equipment parts documentation may also help us review possible replacements. Additional technical verification may be required before compatibility can be confirmed.

What should I check before installing a replacement gear pump?

Compare the received pump with the original component and confirm the part number, shaft configuration, mounting points, rotation designation, and hydraulic connections. Inspect it for visible damage and check that the supplied components match the product listing. Follow the equipment manufacturer's service instructions for hydraulic cleanliness, installation, and any required preparation or testing.

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