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An American-made triplex plunger positive displacement pump with reciprocating plungers for belt drive applications.

Aluminum crankcase with sight glass and vented dipstick; forged, through-hardened, ground and polished crankshaft; bronze connecting rods; hardened stainless steel plunger bases; solid ceramic plungers; Teflon nitrile seals with EPDM O-Rings; stainless steel valves and forged brass manifold.

WARNING: This product might contain a chemical known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to

Specification US Metric
Flow1.4 GPM5.3 L/min
Maximum Discharge Pressure2000 PSI140 bar
Crankshaft Speed750 RPM
Power2.0 HP1.5 KW
Max Temperature32 °F0 °C
Inlet Port Size(2) 3/8" BSP
Discharge Port Size(2) 3/8" BSP
Plunger Diameter0.71 in.18 mm
Stroke0.71 in.10 mm
Maximum Inlet Pressure580 PSI40 bar
Crankshaft Diameter24 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity8.1 fl. oz. 0.24 L
Weight13.2 lbs.6 kg

Horsepower Specifications

RPM GPM 500 PSI 1000 PSI 1500 PSI 2030 PSI
200 0.4 0.1 0.3 0.4 0.6
300 0.6 0.2 0.4 0.6 0.8
400 0.7 0.2 0.5 0.7 1.0
500 0.9 0.3 0.6 0.9 1.3
600 1.1 0.4 0.8 1.1 1.5
750 1.4 0.5 1.0 1.4 2.0

Specification Images

Additional Drawings

  • CP218-5123 Exploded View
  • CP218-5123 Parts List
  • CP218-5123 Torque Specifications


  • Limited Warranty
  • CP218-5123 Installation Instructions
  • CP218-5123 Repair Instructions
  • Troubleshooting Guide


Sample Pump

Our Company

For 50 years, Giant Pumps has offered the most dependable positive displacement high-pressure triplex pumps available. Designed and built to the highest quality standards, customers count on Giant Pumps products to keep their equipment running. Every design detail of Giant Pumps products is optimized for long-life and reliable performance, making Giant Pumps the most trusted name in high-pressure pumps and systems.

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