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Hydraulic Pumps for Excavators & Heavy Machinery

Hydraulic pumps for excavators are the primary energy converters of your machine. While internal combustion engine power provides the initial rotation, it is the hydraulic pump that transforms this force into fluid power. By moving hydraulic fluid under extreme pressure, these pumps enable the lifting and digging capabilities of all heavy machinery.

Reliable hydraulic pumps are essential for maintaining peak system performance. When pump efficiency drops, it places a parasitic load on the engine, affecting everything from your air-fuel mixture to your overall fuel injection efficiency.

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205 products

Hydraulic Pump VOE11884583 11884583 for Volvo BL70 Loader

Hydraulic Pump VOE11884583 11884583 for Volvo BL70, BL71 Wheel Loaders

Regular price $3,589.00
Sale price $3,589.00 Regular price
Hydraulic Pump VOE11309604 for Volvo L40, L40B Wheel Loaders

Hydraulic Pump 11309604 VOE11309604 for Volvo L40, L40B, L45, L45B Wheel Loaders

Regular price $2,150.00
Sale price $2,150.00 Regular price
Hydraulic Pump VOE11411472 11411472 for Volvo A35F Hauler

Hydraulic Pump VOE11411472 11411472 for Volvo A35F, A35G, A40F, A40G Articulated Haulers

Regular price $165.00
Sale price $165.00 Regular price
Hydraulic Pump VOE15084861 15084861 for Volvo L120G Loader

Hydraulic Pump VOE15084861 15084861 17441854 for Volvo L120G, L120H Wheel Loaders

Regular price $3,000.00
Sale price $3,000.00 Regular price
Hydraulic Pump VOE11173680 11173680 for Volvo L70E Loader

Hydraulic Pump VOE11173680 11173680 for Volvo L70E Loader

Regular price $2,250.00
Sale price $2,250.00 Regular price
Hydraulic Main Pump 708-27-02015 for Komatsu PC300-3

Hydraulic Main Pump 708-27-02015 for Komatsu PC300-3 PC300LC-3 PC400-3 PC400LC-3 Excavator

Regular price $0.00
Sale price $0.00 Regular price
Hydraulic Pump Angle Sensor 729-12-21000 - Komatsu PC210-10

Hydraulic Pump Angle Sensor 729-12-21000 7291221000 for Komatsu PC210-10 PC200-10 PC215-10 PC240LC-10 PC490LC-11

Regular price $580.00
Sale price $580.00 Regular price $0.00
Hydraulic Gear Pump 14530502 for Volvo EC360

Hydraulic Gear Pump 14530502 for Volvo EC360B EC360C EC330B EC330C Excavator

Regular price $1,490.00
Sale price $1,490.00 Regular price
Hydraulic Pilot Pump HPV55 for Komatsu PC120-5

Hydraulic Pilot Pump HPV55 for Komatsu PC120-5 for Excavator

Regular price $300.00
Sale price $300.00 Regular price
Hydraulic Pump 708-1W-00153 for GD555-5 GD655-5

Hydraulic Main Pump 708-1W-00153 for Komatsu GD555-5 GD655-5 – Grader

Regular price $5,200.00
Sale price $5,200.00 Regular price
K5V140DTP-9N25 Hydraulic Main Pump for LiuGong LG925

Hydraulic Main Pump K5V140DTP-9N25 for LiuGong LG925 Wheel Loader

Regular price $2,800.00
Sale price $2,800.00 Regular price
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Main Hydraulic Pump 708-1L-00320 for Komatsu D65 Bulldozer

Regular price $15,948.00
Sale price $15,948.00 Regular price
Hydraulic Fan Motor Pump 708-1U-00133 for Komatsu D275A-5

Hydraulic Fan Motor Pump 708-1U-00133 for Komatsu D275A-5 Bulldozer

Regular price $5,450.00
Sale price $5,450.00 Regular price $3,686.18
Kawasaki K7V63DTP-9N0E Hydraulic Pump for Heavy Equipment

Hydraulic Pump K7V63DTP-9N0E for Kawasaki

Regular price $6,550.00
Sale price $6,550.00 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 $3,000.00
Sale price $3,000.00 Regular price
CAT Hydraulic Piston Pump | Imara Engineering Supplies

Hydraulic Piston Pump 306-341-7666 3063417666 for Caterpillar

Regular price $2,900.00
Sale price $2,900.00 Regular price
Rexroth Hydraulic Pump AP2D25LV1RS7-901-1 | Imara Engineering Supplies

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

Regular price $2,320.00
Sale price $2,320.00 Regular price
Rexroth A4VG Hydraulic Piston Pumps | Imara Engineering Supplies

Rexroth A4VG Hydraulic Piston Pumps

Regular price $3,850.00
Sale price $3,850.00 Regular price $5,000.00
Hydraulic Main Pump YD00002228 YD00013054 for Hitachi ZX85 | Imara Engineering Supplies

Hydraulic Main Pump YD00002228 YD00013054 for Hitachi ZX85 Excavator

Regular price $3,994.00
Sale price $3,994.00 Regular price

Collection: Hydraulic Pumps

The Power Source: From Engine to Fluid

In most internal combustion engines, the crankshaft drives the pump gear. This mechanical connection means that the health of internal engine parts, such as connecting rods and the cylinder wall, directly impacts your hydraulic output. As the pistons move within the engine, they generate the torque necessary to spin the pump's internal rotors.

To keep the system running smoothly, a stable electrical power system is required to manage electronic regulators. Without proper electrical system maintenance, the sensors that monitor flow rates can fail, leading to pressure spikes that stress both the hydraulic lines and internal engine components.

Protecting the Hydraulic and Electrical System

The synergy between the cooling system and the hydraulics is vital. If the hydraulic pump overheats, it can thin the oil and damage seals, much like how a failing oil pump or a clogged oil filter can destroy a gasoline engine.

To ensure electrical safety, modern machines use circuit breakers to protect the electrical components that control pump displacement. These breakers prevent surges from damaging the sensitive solenoids that act as a moving part within the hydraulic control valves.

Comprehensive Hydraulic Pump Range

We offer a wide selection of aftermarket hydraulic pumps designed to meet or exceed OEM standards. These units are built to withstand the high-vibration environments of mining and construction.

  • Piston Pumps: High-efficiency units where pistons move to provide variable flow rates.
  • Gear Pumps: Simple, robust designs that function as a reliable power source for auxiliary circuits.
  • Pilot Pumps: Low-pressure pumps that ensure your control valve opens with precision.

Proper regular maintenance of these pumps, including checking the oil filter and ensuring the cooling system is clear, is the best way of improving performance and extending the life of your fleet.

Frequently Asked Questions

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