Caterpillar Hydraulic Pumps for Excavators & CAT Equipment 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

Caterpillar Hydraulic Pumps for CAT Equipment

When a machine starts slowing down, the problem often begins with the pump.

In many cases, caterpillar hydraulic pumps control how well the machine moves. If the pump is weak, the whole system feels it.

You may notice slow lifting, delayed movement, or uneven power. These are early signs that the pump is no longer working as it should.

At Imara Engineering Supplies, we supply cat hydraulic pumps and aftermarket caterpillar pumps built for real job site conditions. Our pumps deliver stable pressure, smooth response, and reliable performance.

Compare (0/5)

54 products

Axial Piston Hydraulic Pump 250-8337 for Motor Grader 120M

Axial Piston Hydraulic Pump 250-8337 for Motor Grader 120M

Regular price $2,375.00
Sale price $2,375.00 Regular price $506.00
Hydraulic Fan Pump 194-8384 Gear 283-5992 Excavator E330C

Hydraulic Fan Pump 194-8384 Gear Pump 283-5992 for Excavator E330C

Regular price $991.00
Sale price $991.00 Regular price $218.00
Gear Pump 262-2875 2622875 for Caterpillar 928G 924G 924GZ

Gear Pump 262-2875 2622875 for Caterpillar 928G, 924G, 924GZ Wheel Loaders & IT28G

Regular price $7,371.00
Sale price $7,371.00 Regular price $160.00
Piston Pump 3629620 362-9620 for Cat 988K Wheel Loader

Piston Pump 3629620 362-9620 for Cat 988K Wheel Loader

Regular price $13,085.00
Sale price $13,085.00 Regular price
Rebuilt Hydraulic Pump 6E-5072 for Caterpillar 160G 12G 140G

Hydraulic Piston Pump 6E-5072 6E5072 Rebuild for Caterpillar 160G, 12G, 140G, 130G Motor Graders

Regular price $3,064.00
Sale price $3,064.00 Regular price
Hydraulic Pump 283-6116 2836116 for CAT 330D Excavator

Hydraulic Pumps

Hydraulic Pump 283-6116 2836116 for CAT 330D Excavator

Regular price $13,035.00
Sale price $13,035.00 Regular price
1U2669 Hydraulic Vane Pump Cartridge Kit - New & Fast Delivery

Hydraulic Vane Pump Cartridge Kit 1U2669 PC-35VQ38-R for Caterpillar Equipment

Regular price $354.00
Sale price $354.00 Regular price
CAT Hydraulic Piston Pump | Caterpillar parts824G

Hydraulic Pumps

Hydraulic Piston Pump 105-3635 1053635 for Caterpillar 824G, 824G II, 824H

Regular price $4,244.00
Sale price $4,244.00 Regular price
Hydraulic Pump 369-9655 576-3072

Hydraulic Pump 369-9655 576-3072 for Caterpillar Excavator 374F 390F

Regular price $16,571.00
Sale price $16,571.00 Regular price
Double Piston Pump | Axle Piston Pump

Double Axle Piston Pump 20R-9516 for Caterpillar – Rebuild Hydraulic Pump

Regular price $16,935.00
Sale price $16,935.00 Regular price
Hydraulic Pump 11347379 11347379A For Liebherr R9350 Excavator

Excavators

Hydraulic Pump 11347379 For Liebherr R9350 R994 - Excavator

Regular price $52,541.00
Sale price $52,541.00 Regular price
Hydraulic Pump K5V200DPH 20/925652 332/K4487 for JCB JS330

Excavators

Hydraulic Main Pump K5V200DPH 20/925652 332/K4487 for JCB JS330 Excavator

Regular price $9,094.00
Sale price $9,094.00 Regular price
Hydraulic Piston Pump | Bull Dozers | Imara Engineering Supplies

Excavators

Hydraulic Piston Pump 705-58-44050 for Komatsu Bulldozer D375A-3 / D375A-5

Regular price $5,558.00
Sale price $5,558.00 Regular price
CAT Hydraulic Piston Pump | Imara Engineering Supplies

Hydraulic Piston Pump 306-341-7666 3063417666 for Caterpillar

Regular price $2,931.00
Sale price $2,931.00 Regular price
Hydraulic Pump 157-6081 1576081 For Cat Tractor D5N

Hydraulic Pump 157-6081 1576081 for Caterpillar D5N Tractor

Regular price $6,568.00
Sale price $6,568.00 Regular price
Hydraulic Gear Pump | Caterpillar Dozer | Imara Engineering Supplies

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

Regular price $6,568.00
Sale price $6,568.00 Regular price

Collection: Caterpillar Hydraulic Pumps

Why Pump Performance Matters in CAT Machines

In CAT equipment, the pump is one of the most important hydraulic system components.

It controls how power moves through the system.

A strong pump helps the machine:

  • Lift and dig smoothly
  • Handle heavy loads
  • Maintain steady high pressure
  • Support multiple functions at once

When the pump starts to fail, problems appear slowly:

  • Jerky movement
  • Weak lifting force
  • Higher fuel use
  • Poor machine control

Replacing the pump early helps prevent bigger damage.

Built for Machine-Specific Performance

CAT machines do not use one-size-fits-all pumps.

Each system is designed with specific:

  1. Flow rate
  2. Pressure level
  3. System response

This is why a proper cat pump replacement must match the original setup.

A wrong pump can cause:

  • Overheating
  • Poor flow
  • Faster wear of other hydraulic components

We help you select pumps that match your machine correctly.

How Caterpillar Hydraulic Pumps Work Under Load

Most CAT machines run more than one function at the same time.

For example:

  • Lifting and rotating
  • Moving and digging

This means the hydraulic pump must:

  • Keep pressure steady
  • Share flow between functions
  • Respond quickly to load changes

Many caterpillar excavator hydraulic pump systems use:

  • Variable displacement design
  • Load-sensing control
  • Balanced flow output

This helps the machine stay smooth, even under heavy work.

Signs You Need a CAT Pump Replacement

Hydraulic pumps do not fail suddenly. They give warning signs.

Watch for:

  • Slow response during work
  • Weak hydraulic power
  • Strange noise from the pump
  • Heat increase in the system
  • Dirt or metal in hydraulic fluid

These signs mean your cat hydraulic system components are under stress.

Early replacement helps avoid damage to valves, motors, and cylinders.

Replacement vs Repair

Some pump parts can be repaired, but not always.

For heavy-duty machines, replacement is often better.

A new or aftermarket caterpillar pump gives:

  • Stable performance from the start
  • Less risk of repeat failure
  • Faster return to work
  • Better system balance

For most operators, reducing downtime is the main goal.

OEM-Standard Caterpillar Pump Solutions

We supply pumps built to match OEM standards.

Each unit is designed to:

  • Fit correctly into CAT systems
  • Deliver steady pressure
  • Work with existing hydraulic systems
  • Support long service life

These pumps are not generic. They are built to perform like the original.

Preventive Maintenance for CAT Pumps

Good maintenance helps extend pump life.

Simple steps include:

  • Check hydraulic fluid regularly
  • Replace worn pump parts early
  • Keep filters clean
  • Monitor pressure levels

Preventive maintenance reduces breakdowns and keeps your machine working longer.

Why Choose Imara Engineering Supplies

We focus on supplying the right parts, not just any parts.

We provide:

  • Reliable caterpillar hydraulic pumps
  • Support with model and serial number checks
  • Fast supply for urgent jobs
  • Durable replacement parts for heavy equipment

We help you get your machine back to work quickly.

Frequently Asked Questions

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