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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 machined stainless steel 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
Flow10.6 GPM40 L/min
Maximum Discharge Pressure6090 PSI420 bar
Crankshaft Speed1100 RPM
Power43.3 HP32.3 KW
Max Temperature140 °F60 °C
Inlet Port Size1" NPT
Discharge Port Size3/4" NPT
Plunger Diameter0.79 in.20 mm
Stroke1.65 in.42 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter35 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity US0.8 Gal 3.0 L
Weight125 lbs.56.5 kg
The repair kits listed to the right are available for this pump. If you need further information about these repair kits, or have questions about other specific parts for your pump, please contact you local Giant distributor or contact Giant customer service.
Plunger Packing Kit – Part #09791
36 13237 Leakage Seal 3
38 12055 O-Ring 6
39 07693 Support Ring 6
40 07322 V-Sleeve 3
40C 07322-0020 Sleeve 3
Valve Assembly Kit – Part #09792
38 12055 O-Ring 6
39 07693 Support Ring 6
48B 05972 O-Ring 3
51 04513 Valve Assembly 6
Oil Seal Kit – Part #09577
31 07133 Oil Seal 3

Horsepower Specifications

RPM GPM 3000 PSI 4000 PSI 5000 PSI 6090 PSI
550 5.3 11.0 14.6 18.3 22.3
600 5.8 12.0 16.0 20.0 24.4
700 6.8 14.1 18.8 23.5 28.6
800 7.8 15.9 21.2 26.6 32.3
900 8.7 18.0 24.0 30.0 36.5
1100 10.6 21.9 29.2 36.6 44.5

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • LP605 Exploded View
  • LP605 Parts List


Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • LP605 Installation Instructions
  • LP605 Repair Instructions
  • Troubleshooting Guide

Sample Pump

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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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