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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
Flow132 GPM500 L/min
Maximum Discharge Pressure1500 PSI100 bar
Crankshaft Speed520 RPM
Power129 HP96 KW
Max Temperature104 °F40 °C
Inlet Port Size(2) 3" BSP
Discharge Port Size(2) 1-1/2" BSP
Plunger Diameter2.99 in.76 mm
Stroke2.83 in.72 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter70 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity US4.6 gal 17.5 L
Weight738 lbs.335 kg
Manifold Material Nickel-Plated Cast Iron
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 #09863A
38A 03564 O-Ring 6
39A 05066 O-Ring 3
40 03566 Support Ring 3
41 03567 Guide Ring 6
42 03568 Spiral Ring 6
Valve Assembly Kit – Part #09864A
51 03572 Valve Assembly 6
56A 04955 O-Ring 3
56B 13156 O-Ring 3
Oil Seal Kit – Part #09584A
32 05058 Radial Shaft Seal 3
32A 03118 Scraper 3
33A 05056 O-Ring 3

Horsepower Specifications

RPM GPM 500 PSI 750 PSI 1000 PSI 1500 PSI
260 66.0 22.8 34.1 45.5 68.3
300 76.2 26.3 39.4 52.6 78.8
400 101.5 35.0 52.5 70.0 105.0
500 132 45.5 68.3 91.0 136.6

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • GP8076A Exploded View
  • GP8076A Parts List


Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • GP8076A Installation Instructions
  • GP8076A 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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