Collection: Piston Pump - Kawasaki

Kawasaki Precision Machinery is a globally recognized manufacturer of high-performance hydraulic pumps, particularly axial piston pumps used as main hydraulic pumps in excavators and other heavy equipment. Many leading equipment brands — including Caterpillar, Hitachi, John Deere, Volvo, and Komatsu — use Kawasaki pumps as original equipment. At HE PUMP, we supply OEM-compatible Kawasaki hydraulic pump assemblies and internal parts for all major Kawasaki pump series. Whether you need a complete K3V112 pump for a 20-ton excavator, or rebuild parts for a K5V200 mining excavator pump, we have the products you need. Every part is manufactured to Kawasaki original specifications and includes 12-month warranty coverage.

How Kawasaki Axial Piston Pumps Work

Kawasaki axial piston pumps operate on the swash plate principle. Multiple pistons are arranged in a rotating cylinder block around a central shaft. As the block rotates, pistons ride against an angled swash plate — the angle of the swash plate determines pump displacement (flow rate). Key features of Kawasaki pumps include:

• High power density: Delivers maximum hydraulic power in minimum space — essential for compact excavator hydraulic compartments
• Variable displacement: Swash plate angle adjusts automatically based on hydraulic demand, reducing fuel consumption and heat generation
• Integrated charge pump: Many Kawasaki pumps include a built-in gear charge pump for case pressure maintenance and control pressure supply
• Durable valve plate design: Kawasaki's precision-ground valve plates deliver optimal flow control with minimal pressure ripple

Kawasaki Pump Series We Cover

We supply complete pumps and internal parts for the full Kawasaki pump lineup:

• K3V Series: K3V63, K3V112, K3V140, K3V180, K3V186 — widely used in 20-35 ton excavators from leading manufacturers
• K5V Series: K5V80, K5V140, K5V160, K5V200DTH — for medium to large excavators (35-70 ton) requiring high flow output
• K7V Series: K7V140, K7V200, K7V250 — for large mining excavators (70+ ton) in severe-duty applications
• NV / NQ Series: Variable displacement axial piston pumps for industrial applications including presses, injection molding, and marine hydraulics

Equipment Applications

Kawasaki hydraulic pumps are used as original equipment by multiple leading construction equipment manufacturers:

• Caterpillar: Many CAT excavator models use Kawasaki K3V/K5V series as main hydraulic pumps
• Hitachi: Hitachi excavators commonly use Kawasaki pumps as original equipment
• Komatsu: Select Komatsu excavator models are equipped with Kawasaki hydraulic pumps
• Volvo: Volvo excavators use Kawasaki pumps in various model series
• John Deere: John Deere excavators and forestry equipment use Kawasaki pumps for main hydraulics

Available Kawasaki Pump Products

We supply the complete range of Kawasaki pump products:

• Complete Pump Assemblies (Main Hydraulic Pumps): Fully assembled pumps ready for bolt-on installation, including integrated charge pumps and control valves where applicable
• Pump Internal Parts: Valve plates, piston shoes, cylinder blocks, swash plates, seal kits, ball guides, and retainers for economical pump rebuilding
• Charge Pumps & Gear Pumps: Replacement charge pumps and gear pumps for Kawasaki pump assemblies
• Control Valves & Servo Valves: Replacement control valves for Kawasaki pump displacement control

Signs of Kawasaki Pump Failure

Watch for these warning signs that a Kawasaki hydraulic pump is failing:

• Reduced hydraulic power: Slow implement movement, inability to lift rated load — internal leakage across worn piston shoes and cylinder block
• Increased pump noise: Rattling, knocking, or whining from pump area — piston shoes damaged or valve plate badly worn
• Overheating hydraulic oil: System temperature rises rapidly under load — internal leakage generating heat through fluid bypass
• Metal particles in hydraulic oil: Magnetic drain plug or filter captures metal shavings — internal component wear debris
• Loss of variable displacement control: Pump output does not adjust with hydraulic demand — servo valve or control system failure

Why Choose HE PUMP for Kawasaki Pumps?

Kawasaki hydraulic pumps are precision components requiring precision replacement parts. HE PUMP delivers:

• OEM-Compatible Quality: Every part manufactured to Kawasaki original dimensional and performance specifications — ensures proper fit, performance, and reliability
• Comprehensive Coverage: Complete pumps and internal parts for K3V, K5V, K7V, NV/NQ series — one supplier for all your Kawasaki pump needs
• 12-Month Warranty: All products include 12-month warranty coverage against manufacturing defects
• Expert Support: Our technical team can help identify the correct Kawasaki pump model and parts — provide your pump nameplate model number for fast, accurate matching
• Competitive Pricing: Dealer-level quality at significantly lower prices — reduce equipment maintenance costs without sacrificing quality

How to Identify Your Kawasaki Pump

Kawasaki pump model numbers are typically engraved on the pump housing nameplate. Common format: K3V112DT-1A7R or K5V140DTP-1B7R. The model number contains critical information:

• Series: K3V, K5V, K7V, NV, NQ
• Displacement: 63, 112, 140, 180, 200, 250 (cc/rev)
• Configuration: DT (dual pump), TP (tandem pump), etc.
• Pressure Rating: 1A7R, 1B7R, etc.

If you can provide the full model number from the pump nameplate, we can supply the exact replacement pump or internal parts.

📧 Request a Quote for Kawasaki Hydraulic Pumps or browse our hydraulic piston pump collection and piston pump parts collection for additional options.