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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 Fan Pump 564-9801 for Cat 336GC 345GC 349GC 352GC

Caterpillar

Hydraulic Fan Pump 564-9801 for Caterpillar 336GC 345GC 349GC 352GC – Excavator

Regular price $2,980.00
Sale price $2,980.00 Regular price $450.00
Hydraulic Piston Pump 170-9918 for CAT 390D, 385B, 5090B

Hydraulic Piston Pump 170-9918 for CAT 390D, 385B, 5090B – Excavator

Regular price $2,596.00
Sale price $2,596.00 Regular price $1,298.00
Hydraulic Piston Pump 100-3259 / 259-0815 for CAT Excavator

Hydraulic Piston Pump 100-3259 / 259-0815 for CAT Excavator

Regular price $1,950.00
Sale price $1,950.00 Regular price $265.00
Hydraulic Piston Pump 245-8998 / 180-9588 for CAT 416D 424D

Caterpillar

Hydraulic Piston Pump 245-8998 / 180-9588 for CAT 416D 424D – Backhoe Loader

Regular price $3,750.00
Sale price $3,750.00 Regular price $888.00
Hydraulic Pump A10VSO74 180-9588 for CAT 416D 424D Loader

Caterpillar

Hydraulic Pump A10VSO74 180-9588 for CAT 416D 424D – Backhoe Loader

Regular price $1,320.00
Sale price $1,320.00 Regular price $660.00
Hydraulic Pump A10V074 R902520557 for CAT 420D 432D 442D

Hydraulic Pump A10V074 R902520557 for CAT 420D 432D 442D – Backhoe Loader

Regular price $1,800.00
Sale price $1,800.00 Regular price $100.00
Hydraulic Piston Pump 271-2116 / 169-4883 for CAT D6T Dozer

Excavators

Hydraulic Piston Pump 271-2116 / 169-4883 / 235-4110 for CAT D6T – Dozer

Regular price $4,670.00
Sale price $4,670.00 Regular price $1,019.00
Hydraulic Piston Pump 142-8698 / 155-9128 / 155-9248 for CAT
Hydraulic Piston Pump 213-5268 CAT 988G 988H AD55E – Loader

Caterpillar

Hydraulic Piston Pump 213-5268 for CAT 988G 988H AD55E – Loader

Regular price $2,150.00
Sale price $2,150.00 Regular price $961.53
Hydraulic Piston Pump 307-3063 / 20R-6569 for CAT 426 416E

Hydraulic Piston Pump 307-3063 / 20R-6569 for CAT 426 416E 416F 416F2 422F 422F2 428F 434F 415F2 – Backhoe Loader

Regular price $2,576.00
Sale price $2,576.00 Regular price $1,288.00
Hydraulic Piston Pump 350-0666 for CAT 416E 422E 428E 434E

Caterpillar

Hydraulic Piston Pump 350-0666 for CAT 416E 422E 428E 434E – Loader

Regular price $2,595.00
Sale price $2,595.00 Regular price $398.00
Hydraulic Pilot Gear Pump 274-2491 CAT 330C 345B DH420 DH500

Caterpillar

Hydraulic Pilot Gear Pump 274-2491 for CAT 330C 345B DH420 DH500 – Excavator

Regular price $600.00
Sale price $600.00 Regular price $1,350.00
Main Hydraulic Pilot Pump 133-6911 / 126-2073 for CAT 320B

Main Hydraulic Pilot Pump 133-6911 / 126-2073 for CAT 320B 322B 325B – Excavator

Regular price $250.00
Sale price $250.00 Regular price $125.00
Hydraulic Pump 167-1153 for CAT Excavators Main Piston Pump

Caterpillar

Hydraulic Pump 167-1153 for CAT Excavators – Main Piston Pump

Regular price $2,800.00
Sale price $2,800.00 Regular price $8.00
Hydraulic Piston Pump 161-6634 CAT 416C 426C 428C 436C 438C

Caterpillar

Hydraulic Main Piston Pump 161-6634 for CAT 416C 426C 428C 436C 438C – Backhoe Loader

Regular price $2,500.00
Sale price $2,500.00 Regular price $468.00
Hydraulic Main Piston Pump 122-1206 for CAT TH62 TH63

Caterpillar

Hydraulic Main Piston Pump 122-1206 for CAT TH62 TH63 TH82 TH83 – Telehandler

Regular price $2,500.00
Sale price $2,500.00 Regular price $900.00
Hydraulic Piston Pump 224-6369 for CAT 420D 430D 432D 442D

Caterpillar

Hydraulic Piston Pump 224-6369 for CAT 420D 430D 432D 442D – Backhoe Loader

Regular price $2,500.00
Sale price $2,500.00 Regular price $450.00
Hydraulic Fan Gear Pump 194-8384 for CAT E330C – Excavator

Caterpillar

Hydraulic Fan Gear Pump 194-8384 for CAT E330C – Excavator

Regular price $1,150.00
Sale price $1,150.00 Regular price $215.00
Hydraulic Main Piston Pump 209-3258 for CAT 980G – Loader

Caterpillar

Hydraulic Main Piston Pump 209-3258 for CAT 980G – Wheel Loader

Regular price $2,210.00
Sale price $2,210.00 Regular price $1,105.00

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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