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A German-made triplex plunger positive displacement pump with reciprocating plungers for direct or belt drive applications.

Anodized 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; nitrile seals (with fabric reinforcing); stainless steel valves; and 316 stainless steel manifold.

Gearbox and bell housings (to connect to gasoline, diesel, electric or hydraulic drive), couplers (aluminum or Delrin).

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
Flow3.4 GPM12.8 L/min
Maximum Discharge Pressure2000 PSI140 bar
Crankshaft Speed1750 RPM
Power4.7 HP3.5 KW
Max Temperature160 °F70 °C
Inlet Port Size(2) 1/2" BSP
Discharge Port Size(2) 3/8" BSP
Plunger Diameter0.71 in.18 mm
Stroke0.71 in.10 mm
Maximum Inlet Pressure90 PSI6.2 bar
Crankshaft Diameter0.94 in.24 mm
Crankshaft RotationTop of Pulley Towards Manifold
Key Width0.31 in.8 mm
Crankshaft MountingEither Side
Crankcase Oil Capacity8.1 fl. oz. 0.24 L
Weight13.25 lbs.6 kg

Horsepower Specifications

RPM GPM 800 PSI 1200 PSI 1500 PSI 1700 PSI 2000 PSI
1150 2.2 1.2 1.8 2.3 2.6 3.0
1450 2.8 1.5 2.3 2.9 3.3 3.9
1750 3.4 1.9 2.8 3.5 4.0 4.7

Specification Images

Additional Drawings

  • P218A-5100 Exploded View
  • P218A-5100 Parts List
  • P218A-5100 Torque Specifications


  • Giant Industries Limited Warranty
  • P218A-5100 Installation Instructions
  • P218A-5100 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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