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GP8035 - Giant Pumps Skip to main content
Featured Image for GP8035

A German-made reciprocating triplex plunger pump.

Spheroidal cast iron crankcase with vented dipstick; forged, through-hardened, ground and polished crankshaft; bronze connecting rods; hardened stainless steel plunger bases; stainless plungers with hardened metal coating; 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 www.P65Warnings.ca.gov

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Specification US Metric
Flow29.1 GPM110 L/min
Maximum Discharge Pressure7250 PSI500 bar
Crankshaft Speed580 RPM
Power145.5 HP108.5 KW
Max Temperature86 °F30 °C
Inlet Port Size(2) 2" NPT
Discharge Port Size(2) 1" NPT
Plunger Diameter1.38 in.35 mm
Stroke2.83 in.72 mm
Maximum Inlet Pressure29 PSI2 bar
Crankshaft Diameter1.81 in.46 mm
Crankshaft RotationTop of Pulley Towards Manifold
Key WidthB20x12x110 DIN 6685 mm
Crankshaft MountingEither Side
Crankcase Oil Capacity US3.7 gal 14. L
Weight794 lbs.360 kg
Manifold Material Stainless Steel
Crankcase Material Spheroidal Cast Iron
Plunger Material Stainless Steel
Valve Material Stainless Steel
Seal Material Nitrile with Fabric Reinforcing
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 #09707
38A 05408 O-Ring 6
39A 05056 O-Ring 3
40 05744 Sleeve 3
40A 05745 O-Ring 3
41A 05747 Guide Ring 3
42 05748 Rope Packing 6
44 05751 Support Ring 6
Inlet Valve Assembly Kit – Part #09709
51B 05838 Inlet Valve Seat 1
51C 05752 Valve Plate 1
51D 05408 O-Ring 1
51E 05450 Valve Spring 1
51F 05596 O-Ring 1
56A 05408 O-Ring 1
Discharge Valve Kit – Part # 09710
52B 05840 Discharge Valve Seat 1
52C 05752 Valve Plate 1
52D 05408 O-Ring 2
52E 05450 Valve Spring 1
52F 05596 O-Ring 1
56A 05408 O-Ring 1
Oil Seal Kit – Part #09584
32 05058 Radial Shaft Seal 3
33A 05056 O-Ring 3

Horsepower Specifications

RPM GPM 1000 PSI 2500 PSI 5000 PSI 7250 PSI
300 15.1 10.4 26.0 51.9 75.3
400 20.1 13.8 34.6 69.2 100.3
500 25.1 17.3 43.3 86.5 125.4
580 29.1 20.1 50.2 100.3 145.5

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • GP8035 Exploded View
  • GP8035 Parts List
  • GP8035 Torque Specifications


Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • GP8035 Installation Instructions
  • GP8035 Repair Instructions
  • Troubleshooting Guide

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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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