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A German-made reciprocating triplex plunger pump.

Spheroidal cast iron 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; nitrile seals with fabric reinforcing; stainless steel valves and cast aluminum bronze 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
Flow54.4 GPM205.8 L/min
Maximum Discharge Pressure1900 PSI131 bar
Crankshaft Speed700 RPM
Power74.0 HP55.2 KW
Max Temperature140 °F60 °C
Inlet Port Size(2) 2-1/2" NPT
Discharge Port Size(2) 1-1/4" NPT
Plunger Diameter1.97 in.50 mm
Stroke1.97 in.48 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter48 mm
Crankshaft RotationTop of Pulley Towards Manifold
Key Width0.55 in.14 mm
Crankshaft MountingEither Side
Crankcase Oil Capacity1.6 gal 6.0 L
Weight455 lbs.206 kg

Horsepower Specifications

RPM GPM 800 PSI 1000 PSI 1300 PSI 1500 PSI 1900 PSI
300  23.4  13.4  16.7  21.7  25.1  31.8
400  31.2 17.8 22.3 29.0 33.4 42.3
500 38.9 22.2 27.8 36.1 41.7 52.8
600 46.7 26.7 33.4 43.4 50.0 63.4
700 54.5 31.1 38.9 50.6 58.4 74.0

Specification Images

Additional Drawings

  • GP7150A Exploded View
  • GP7150A Parts List


  • Giant Industries Limited Warranty
  • GP7150A Installation Instructions
  • GP7150A 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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