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A German-made reciprocating triplex plunger pump for high temperature 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; high temperature nitrile seals (with fabric reinforcing); 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
Flow6.2 GPM23..1 L/min
Maximum Discharge Pressure870 PSI60 bar
Crankshaft Speed750 RPM
Power1.9 HP1.4 KW
Crankshaft Speed (High)3.9 RPM
Intermittent Flow3.9 GPM14.7 L/min
Intermittent Discharge Pressure870 PSI62 bar
Intermittent Crankshaft Speed900 RPM
Intermittent Power Consumption2.3 HP1.7 HP
Max Temperature195 °F90 °C
Inlet Port Size(2) 1/2" NPT
Discharge Port Size(2) 3/8" NPT
Plunger Diameter0.79 in.20 mm
Stroke0.79 in.18.1 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity12.5 fl. oz. 0.37 L
Weight17.2 lbs.7.8 kg

Horsepower Specifications

RPM GPM 500 PSI 700 PSI 870 PSI
400 1.7 0.6 0.8 1.0
500 2.2 0.8 1.1 1.3
600 2.6 0.9 1.3 1.6
800 3.5 1.2 1.7 2.1
900 3.9 1.3 1.9 2.3

Specification Images

Additional Drawings

  • P56HT Exploded VIew
  • P56HT Parts List
  • P56HT Torque Specifications


  • Giant Industries Limited Warranty
  • P56HT Installation Instructions
  • P56HT 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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