Hydraulic Pumps for Excavators | Imara Engineering Supplies Skip to content

Questions about installation or compatibility? Call us: +61 405 244 342 / 1300 974 961 | USA/CANADA: +1 213 289 0578
Email: admin@imaraengineering.net | Fast International Shipping Worldwide

Hydraulic Pumps for Excavators: Main, Gear, Pilot & Piston Pumps

A hydraulic pump is the heart of your excavator; it is the component responsible for converting mechanical engine power into the hydraulic flow that drives every single function on your machine. As a critical component within the broader hydraulic parts system, the hydraulic pump operates under extreme pressure and high-cycle conditions every hour your machine is running, making its quality and compatibility non-negotiable. At Imara Engineering Supplies, we supply a complete range of OEM-quality excavator hydraulic pumps from main drive pumps and piston pumps to gear pumps and pilot pumps, all cross-referenced to your specific machine model for guaranteed fitment.

If your excavator is showing signs of sluggish movement, loss of digging force, slow cycle times, or abnormal noise from the pump bay, the hydraulic pump is the first system to inspect. Imara Engineering stocks high-demand hydraulic pump models for Komatsu, Caterpillar, Hitachi, Volvo, Doosan, Kobelco, and Bobcat excavators in ready inventory, so you are not waiting weeks for an overseas order when your machine goes down.

Compare (0/5)

204 products

Kawasaki K7V63DTP-9N0E Hydraulic Pump for Heavy Equipment

Hydraulic Pump K7V63DTP-9N0E for Kawasaki

Regular price $6,614.00
Sale price $6,614.00 Regular price
Linde HPR105-02 / 2540002576 & HPV-02 Series Hydraulic Pump | Imara Engineering Supplies

Hydraulic Piston Pumps Linde HPR105-02 2540002576 & HPV-02 Series

Regular price $3,030.00
Sale price $3,030.00 Regular price
CAT Hydraulic Piston Pump | Imara Engineering Supplies

Hydraulic Piston Pump 306-341-7666 3063417666 for Caterpillar

Regular price $2,929.00
Sale price $2,929.00 Regular price
Rexroth Hydraulic Pump AP2D25LV1RS7-901-1 | Imara Engineering Supplies

Hydraulic Pump AP2D25LV1RS7-901-1 for Rexroth – Excavator Main Pump

Regular price $2,343.00
Sale price $2,343.00 Regular price
Rexroth A4VG Hydraulic Piston Pumps | Imara Engineering Supplies

Rexroth A4VG Hydraulic Piston Pumps

Regular price $3,888.00
Sale price $3,888.00 Regular price $5,049.00
Hydraulic Main Pump YD00002228 YD00013054 for Hitachi ZX85 | Imara Engineering Supplies

Hydraulic Main Pump YD00002228 YD00013054 for Hitachi ZX85 Excavator

Regular price $8,078.00
Sale price $8,078.00 Regular price
Hydraulic Pump Regulator ZX200LC ZX200 Excavator Pump Regulator 9198935

Hydraulic Pump Regulator 9198935 for Hitachi ZX200LC ZX200 Excavator

Regular price $657.00
Sale price $657.00 Regular price
Hydraulic Pump Regulator 9198936 Hitachi ZAX200 HPV102

Hydraulic Pump Regulator 9198936 for Hitachi ZAX200 HPV102 Excavator

Regular price $808.00
Sale price $808.00 Regular price
Hydraulic Main Pump 2-13T-3-77.5MM YX10V00001F1 for Kobelco SK135 Excavator

Hydraulic Main Pump 2-13T-3-77.5MM YX10V00001F1 for Kobelco SK135 Excavator

Regular price $606.00
Sale price $606.00 Regular price
Hydraulic Gear Pump | Caterpillar Dozer | Imara Engineering Supplies

Hydraulic Gear Pump 134-8210 1348210 for Caterpillar D9R – Hydraulic System

Regular price $6,564.00
Sale price $6,564.00 Regular price
Hydraulic Pump 705-55-34090 705-55-34110 - Komatsu WA600-6S

Tripple Hydraulic Pump 705-55-34090 705-55-34110 for Komatsu WA600-6S Wheel Loaders – Hydraulic System

Regular price $2,727.00
Sale price $2,727.00 Regular price
Hydraulic Pump PVD-2B-42P for YC35, PC40, EX40, ZX40 Excavators - Imara Engineering Supplies

Hydraulic Pump PVD-2B-42P for YC35 PC40 EX40 ZX40 Excavator – Hydraulic System

Regular price $2,828.00
Sale price $2,828.00 Regular price
Pump K3V63DTP169R-9N2B-A for Case CX130 – Kawasaki K3V63

Main Hydraulic Pump K3V63DTP169R-9N2B-A for Case CX130 Excavator – Kawasaki K3V63 Series

Regular price $6,250.00
Sale price $6,250.00 Regular price
Flexible Rubber Coupling for Yanmar Excavator – Hydraulic

Flexible Rubber Coupling for Yanmar Excavator – Hydraulic Pump Teeth Coupling Connector

Regular price $192.00
Sale price $192.00 Regular price
Gear Pump 11C0045 for Liugong Wheel Loader, Hydraulic System

Gear Pump 11C0045 for Liugong Wheel Loader – Hydraulic System Component

Regular price $985.00
Sale price $985.00 Regular price
Hydraulic Pump K3V180DT-9N29 for KATO HD1430 Excavator

Hydraulic Pump K3V180DT-9N29 for KATO HD1430 Excavator – Main Double Pump Assembly

Regular price $6,256.00
Sale price $6,256.00 Regular price
Hydraulic John Pump | John Deere tractors | Imara Engineering Supplies

Hydraulic Pump AR39168 for John Deere 1550–2140 Tractors – Hydraulic System

Regular price $737.00
Sale price $737.00 Regular price
Pilot Hydraulic Gear Pump 704-24-28230 for Komatsu PC200-5

Pilot Pump Hydraulic Gear Pump 704-24-28230 for Komatsu PC200-5 – Excavator

Regular price $500.00
Sale price $500.00 Regular price
Hydraulic Pump K3SP36C Kawasaki for SK75 YC85 LG907 E308 SK60-7 Excavator| Imara Engineering Supplies

Hydraulic Pump K3SP36C Kawasaki for SK75 YC85 LG907 E308 SK60-7 – Excavator

Regular price $1,818.00
Sale price $1,818.00 Regular price $960.00

Collection: Hydraulic Pumps

Types of Excavator Hydraulic Pumps We Supply

Excavator hydraulic systems use several distinct pump types, each serving a specific function within the circuit. Sourcing the wrong pump type even for the correct machine will result in incorrect flow rates, pressure mismatch, or outright incompatibility. Here is a breakdown of the four pump categories available at Imara Engineering:

Main Hydraulic Pumps

The main hydraulic pump is the primary drive pump on your excavator. It generates the high-pressure flow that powers all working functions: boom, arm, bucket, swing, and travel simultaneously under full load. A failing main pump typically presents as slow or weak attachment movement, excessive heat build-up, or a noticeable drop in breakout force. Imara Engineering supplies main hydraulic pump assemblies for a wide range of models, including Komatsu PC200, PC300, PC400, Caterpillar 320, 323, 330, Hitachi ZX200, ZX300, and more, all manufactured to OEM pressure and flow specifications.

Gear Pumps

Gear pumps are used in the auxiliary and charge circuits of excavators and construction machinery, delivering consistent low-to-medium pressure flow for functions such as pilot oil supply, cooling fan drives, and steering circuits on wheeled machines. Their simple internal design makes them highly durable, but they are still subject to wear from contaminated fluid and cavitation. We supply hydraulic gear pumps compatible with excavators, backhoe loaders, wheel loaders, and skid steer machines across all major brands.

Pilot Pumps

The pilot pump, also called a charge pump, is a small but mission-critical component. It generates the low-pressure pilot oil flow that activates your joystick controls and directional valves. When a pilot pump fails or degrades, your controls become unresponsive, sluggish, or erratic, even if the main hydraulic pump is still functioning correctly. Operators often mistake pilot pump failure for a control valve or joystick issue, making a correct diagnosis essential. Imara Engineering supplies pilot pumps compatible with all major excavator models, available as standalone units and as combined tandem assemblies with the main pump.

Piston Pumps

Axial piston pumps are the most common pump design used in modern excavators, offering variable displacement capability that allows the machine to adjust hydraulic output dynamically based on load demand. This variable displacement function is critical for fuel efficiency and system protection under high-cycle working conditions. Piston pumps operate at higher internal pressures than gear pumps and require precision-manufactured internal components to maintain performance over time. Our axial piston pumps are manufactured to OEM tolerance standards and are available for all major excavator brands and model series.

Common Signs Your Excavator Hydraulic Pump Needs Replacing

Catching hydraulic pump degradation early saves you from a full system failure and keeps your downtime to a minimum. Watch out for these warning signs:

  1. Slow or weak attachment movement — Loss of digging force or reduced boom/arm speed under normal working load.
  2. Abnormal noise from the pump — Whining, knocking, or grinding sounds indicate internal wear or cavitation.
  3. Overheating hydraulic oil — A degraded pump forces the system to work harder, generating excess heat.
  4. High-pressure warning light or error codes — System pressure falling below threshold triggers diagnostic alerts on modern machines.
  5. Visible external leakage — Oil weeping from pump seals or fittings indicates seal failure and internal pressure loss.

If you are experiencing one or more of these symptoms, contact Imara Engineering's parts team for a diagnosis and direct part recommendation before ordering.

Excavator Brands We Cover

Imara Engineering supplies hydraulic pumps compatible with all major excavator and construction equipment brands:

  • Komatsu — PC200, PC210, PC300, PC360, PC400 and full PC series
  • Caterpillar (CAT) — 320, 320D, 323, 325, 330, 336, and full E-series
  • Hitachi — ZX200, ZX210, ZX300, ZX330, ZX450 and full ZX/EX series
  • Volvo — EC210, EC240, EC290, EC380 and full EC series
  • Doosan — DX225, DX300, DX380 and full DX series
  • Kobelco — SK200, SK300, SK350 and full SK series
  • Bobcat — E35, E50, E85 and compact excavator range
  • Case — CX130, CX210, CX300 and full CX series

Don't see your model listed? Contact our parts specialists with your machine serial number, and we will source the correct pump for you.

OEM-Quality Aftermarket: What That Means for You

Many equipment owners are cautious about aftermarket hydraulic pumps and rightly so. Not all aftermarket parts are equal. At Imara Engineering, "OEM-quality aftermarket" means every pump we supply is manufactured to the original equipment specifications, with the same pressure ratings, displacement tolerances, port dimensions, and material grades as the genuine manufacturer part. Our pumps are not rebranded low-grade imports. They are precision-engineered replacements that deliver the same performance as a genuine pump at a significantly lower cost, allowing you to maintain your fleet without compromising on reliability or longevity.

Why Buy Your Hydraulic Pump from Imara Engineering?

  1. Guaranteed Fitment — Every pump is cross-referenced to your machine model and OEM part number before dispatch.
  2. OEM-Grade Manufacturing — Parts manufactured to original pressure, flow, and dimensional specifications.
  3. Ready Stock — High-demand pump models held in inventory for fast order processing and dispatch.
  4. Fast Delivery Across Africa — We ship to construction sites, fleet yards, and parts dealers across the continent and internationally.
  5. Parts Specialist Support — Our technical team matches your part before you order, no guesswork, no returns.

Frequently Asked Questions

Powering Your Projects with Premium Parts.
Your Trusted Source for Heavy Equipment Solutions.
Engineered for Excellence, Delivered on Time.