// Catalogue

Kawasaki: Kawasaki Spare Parts, Replacement Parts and Excavator Hydraulics

Kawasaki hydraulics sit at the heart of many excavators and heavy mobile machines, with swash plate piston pumps, regulators, swing and travel motors and control valves. TSA Hydraulics Engineering supplies and cross references Kawasaki parts within the Hydraulic OEMs group of our Brands range, alongside Parker, Linde, Danfoss, Kayaba, Parker Hydraulic Pumps and Danfoss Hydraulic Pumps.

A slow boom or weak arm often gets blamed on the main pump. The cause is frequently the regulator, which costs far less to fix. We check before you buy, then match the right part. Send the Kawasaki number for genuine or equivalent parts.

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Kawasaki Components We Match

Kawasaki hydraulics cover most of an excavator’s main circuit. The parts we match most often include:

Main pumps: swash plate piston pumps, including well known series such as K3V and K5V.
Regulators: the controls that set pump flow and power.
Swing motors: with reduction gearboxes and brake valves.
Travel motors: for tracks and wheels, often with integrated gearboxes.
Control valves: main control valves that direct flow to each function.
Rotating groups and seal kits: for repairing pumps and motors.

Kawasaki pumps on their own are covered in more depth on our Kawasaki hydraulic pumps page.

Matching a Kawasaki Part

Kawasaki part numbers describe the series, displacement and options, but excavator builders often add their own numbers too. The most reliable match comes from the Kawasaki number on the pump or motor nameplate, backed up by the machine make, model and serial number. Tandem pumps can carry different regulators on each side, so photos of both help.

Diagnosing Before You Replace

Excavator hydraulic faults often look worse than they are. A slow machine can come from a worn regulator, a sticking control spool, a weak pilot pump or low engine power rather than a failed main pump. Pressure and flow tests at the pump, plus a check of pilot pressure, usually point to the real cause. Fixing the right part first saves a lot of money.

Genuine, Superseded or Equivalent

Where a genuine Kawasaki part is available, we’ll quote it. Older numbers may be superseded, and we’ll show you the current part and any differences. Equivalent pumps, motors and rotating groups are common for popular Kawasaki series, and we’ll explain how each compares so you can weigh price, lead time and risk.

Keeping Kawasaki Hydraulics Running

Excavators work in dust, mud and heat, and their hydraulics take heavy shock loads. Clean oil, healthy filters, sound hoses and correct relief settings protect the pumps and motors. Swing and travel motors also need the right gear oil in their reduction drives. A pump that’s replaced without fixing a contamination problem rarely lasts long. Many owners keep a spare regulator for critical machines.

Related Hydraulic OEMs

Kawasaki sits alongside other hydraulic OEMs in our range. Mobile drives, steering and orbital motors are covered under Danfoss, gear pumps and control valves for construction machines under Kayaba, and mobile piston pumps and motors under Linde.

What We Need From You

The Kawasaki part number from the nameplate.
Photos of the nameplate, regulator and ports.
The excavator or machine make, model and serial number.
Symptoms, such as slow function, overheating or noise.

Why Work With TSA Hydraulics Engineering

Looking for a Kawasaki supplier who’ll be clear about genuine and equivalent parts? We match Kawasaki pumps, regulators, motors and valves by number, with honest labelling. Our engineers can help you find the real fault before you spend money on a pump.

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