Tractor Hydraulic Gear Pumps

Aftermarket replacement hydraulic gear pumps and power steering pumps for Ford, Fiat, Deutz, Massey Ferguson, John Deere and other leading tractor brands. Direct-fit, OEM-matched, supplied globally.

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Aftermarket Tractor Hydraulic Pump Replacements

GBC supplies precision-engineered aftermarket hydraulic gear pumps and power steering pumps for agricultural tractors. Each unit is manufactured to match the original equipment specification — same displacement, same port sizes, same shaft geometry — providing a drop-in replacement that restores full hydraulic performance to the 3-point hitch, remote cylinder circuits, and steering system.

Whether you are servicing a fleet of Ford utility tractors, maintaining legacy Fiat orchard machines, or sourcing parts for Massey Ferguson, Deutz Fahr, or John Deere equipment, GBC offers a broad coverage range with flexible minimum order quantities and competitive lead times. Browse the brand sections below to find the correct replacement for your application, or contact our team to confirm fitment by OEM part number.

6+ Tractor Brands Covered
1–5 Units Min. Sample Order
OEM Specification Matched
EXW/FOB Flexible Shipping Terms

Browse by Brand

Select a brand to view all compatible replacement pumps. Product links go directly to the individual specification page.

JD

John Deere

Hydraulic gear pumps for John Deere 2000–3255 series and related models. Includes tandem pump replacement for dual-circuit applications requiring simultaneous steering and lift supply.

John Deere tractor hydraulic pump replacement in broadacre grain farming application
John Deere 2155 2355 2555 2755 2855 2955 3055 3155 3255 Hydraulic Gear Pump RE73947
John Deere 2155 2355 2555 2755 2855 2955 3055 3155 3255 Hydraulic Gear Pump – RE73947
GBC-RE73947
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John Deere Tractor Hydraulic Gear Pump Replacement 1986963C1
John Deere Tractor Hydraulic Gear Pump Replacement 1986963C1
GBC-1986963C1
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Parker / UTB and Other Brands

Additional hydraulic gear pump replacements covering Parker hydraulic pump applications and UTB / Universal Tractor Brand models, with more brand coverage being added regularly.

Parker and UTB tractor hydraulic gear pump replacement for mixed-brand fleet maintenance
Parker Tractor Hydraulic Gear Pump Replacement 3349116673
Parker Tractor Hydraulic Gear Pump Replacement – 3349116673
GBC-3349116673
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UTB 650 Tractor Hydraulic Gear Pump Replacement PRD 54 T-00
UTB 650 Tractor Hydraulic Gear Pump Replacement – PRD 54 T-00
GBC-PRD54T00
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How to Select the Correct Replacement Pump

1

Locate the OEM Part Number

Find the original part number stamped on your existing pump body or listed in the tractor's parts manual. This is the most reliable way to confirm compatibility.

2

Match by Tractor Model

Use the brand sections above to browse by tractor make and model series. Each product page lists confirmed fitment models and OEM cross-references.

3

Verify Displacement and Rotation

Confirm the pump's nominal displacement (ml/r) and direction of rotation — clockwise or anti-clockwise — match the specification on the product page before ordering.

4

Request a Quote

Submit your tractor model, serial number, and OEM reference to our team. We will confirm stock availability, lead time, and freight options to your location.

Typical Specification Ranges

The following table summarises the common performance parameters across our tractor hydraulic pump range. Individual product specifications vary — always refer to the product page for exact data.

Parameter Typical Range Notes
Nominal Displacement 5 – 38 ml/r Single-section and tandem units. Most utility tractor applications fall in the 11–20 ml/r range.
Maximum Working Pressure 90 – 250 bar Always verify against the specific product page. Exceeding maximum rated pressure reduces pump life significantly.
Rotational Speed 500 – 3,600 r/min Minimum speed prevents cavitation; maximum speed limits heat and wear. Observe both limits during operation.
Direction of Rotation Clockwise or Anti-clockwise Must match the original pump. Installing the wrong rotation direction prevents pressure build-up and will damage the unit.
Port Configuration NPT, BSP, UNF, Metric (M18, M27) Port standard varies by tractor brand and region. Adapters are available for most configurations.
Fluid Compatibility UTTO, HLP, ISO VG 46/68 Use the fluid grade specified in the tractor's operator manual. Contaminated or incorrect fluid is the leading cause of early pump failure.

Related Product Information

Hydraulic pump failure in agricultural tractors is most often caused by fluid contamination, extended oil change intervals, or cavitation from air in the suction line. If you are replacing a pump that failed prematurely, it is worth inspecting the full hydraulic circuit — including filters, hoses, and the transmission sump — before fitting the new unit. Our team can advise on what to check. Browse the full GBC hydraulic component range for filters and related parts.

For power steering system replacements, note that the steering pump is a separate unit from the hydraulic gear pump on most tractors, even when mounted on the same drive. We stock dedicated Ford power steering pump replacements and can assist with identifying the correct unit for other brands on request.

Frequently Asked Questions

What does a tractor hydraulic gear pump do?
The hydraulic gear pump is the heart of the tractor's hydraulic system. It draws fluid from the transmission sump or a dedicated reservoir and delivers it under pressure to the 3-point hitch lift circuit, remote hydraulic cylinder valves, and — on some models — the power steering circuit. External gear pumps used in agricultural applications consist of a drive gear meshed with a driven gear inside a close-tolerance housing. As the gears rotate, they create a low-pressure zone at the inlet that draws fluid in, carry it around the outside of the gears, and discharge it at pressure through the outlet port. Typical agricultural gear pump displacements range from 5 ml/r for compact tractors to 33 ml/r or more for high-output utility tractors.
How do I know if my tractor's hydraulic pump has failed?
The most common symptoms of a worn or failed hydraulic gear pump are: slow or weak 3-point hitch lift, especially under load; sluggish remote cylinder operation; whining or groaning noise from the pump at operating speed; excessive heat in the hydraulic fluid; and in severe cases, complete loss of hydraulic pressure. A worn pump will often still deliver some flow at low speed but lose performance rapidly as engine speed increases and internal leakage grows. A pressure gauge test on the pump outlet is the definitive diagnostic method — compare the reading to the specification in the tractor service manual.
What is the difference between a hydraulic gear pump and a power steering pump?
On most utility and row-crop tractors, the main hydraulic gear pump supplies the hitch and remote cylinder circuits, while the power steering pump is a separate, smaller gear pump that supplies the steering control valve. They are physically similar in construction — both are external gear pumps — but they differ in displacement, maximum pressure rating, port size, and mounting position. On some older Ford and Fiat tractors, a single pump supplies both circuits through a priority valve, while on others the two functions are served by separate pumps on a common tandem shaft. Always verify which pump you need by checking the OEM part number on the unit being replaced.
Are these aftermarket pumps suitable for professional and commercial farm use?
Yes. GBC aftermarket hydraulic pumps are designed for professional agricultural service applications. They are manufactured to match OEM specifications for gear profile, body dimensions, shaft tolerances, and port sizing. Many farm machinery dealers and agricultural parts distributors in Australia stock GBC products for workshop use. For high-cycle commercial applications — tractors running multiple shifts per day — we recommend observing OEM fluid change intervals and inspecting inlet filtration at each pump replacement to ensure the new unit achieves its rated service life.
What are your minimum order quantities and lead times?
We offer flexible minimum order quantities to suit all buyers, from single-unit workshop orders to bulk dealer and distributor quantities. Trial or sample orders of 1–5 units are accepted. Mixed orders covering multiple pump types are welcome with a minimum order value of approximately USD 1,500. Lead times are typically 10–25 business days for stocked items and 20–45 business days for standard production runs. Standard shipping terms include EXW, FOB, and CIF/DAP. Contact our team to discuss stock availability and pricing for your specific requirement.
Can I use this pump with a different hydraulic fluid to the one specified?
We strongly recommend using the fluid grade specified in the tractor's operator manual. Most tractor hydraulic circuits are designed around UTTO (Universal Tractor Transmission Oil) or a dedicated hydraulic oil such as ISO VG 46 or VG 68. Using an incompatible fluid can cause seal swelling, reduced lubrication at close gear clearances, accelerated wear, and — in some cases — voiding of warranty claims. If you are uncertain which fluid is correct for your application, contact our team or consult the tractor manufacturer's service documentation.

Ready to Order or Need Technical Help?

Our team can confirm fitment by OEM part number, advise on installation, and arrange freight to your location anywhere in Australia and beyond.

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