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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
Power129.0 HP96.0 KW
Max Temperature86 °F30 °C
Inlet Port Size(2) 3" BSP
Discharge Port Size(2) 1-1/4" BSP
Plunger Diameter2.99 in.76 mm
Stroke2.83 in.72 mm
Maximum Inlet Pressure29 PSI2.0 bar
Crankshaft Diameter2.76 in.70 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity US3.3 gal. 12.5 L
Weight749 lbs.340 kg
NPSHR23.0 Ft.-head7.0 mWs
Manifold Material Nickel-Plated Spheroidal Cast Iron
Plunger Material Solid Ceramic
Valve Material High Grade 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 #09861
38A 03564 O-Ring 6
39A 05066 O-Ring 3
40 03566 Support Ring 6
41 03567 Guide Ring 6
42 03568 Spiral Ring 6
Valve Assembly Kit – Part #09862
51B 03574 Valve Seat 6
51C 03575 Valve Plate 6
51D 06560 O-Ring 6
51E 05080 Valve Spring 6
51F 03434 O-Ring 6
56A 06258 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 1000 PSI 1250 PSI 1500 PSI
260 66.0 22.8 45.5 56.9 68.3
300 76.2 26.3 52.6 65.7 78.8
400 102 35.2 70.4 87.9 105.5
520 132 45.5 91.0 113.8 136.6

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • GP8076 Exploded View
  • GP8076 Parts List


Documents open in new window/tab.

  • Pump Assembly Instructions
  • Giant Industries Limited Warranty
  • GP8076 Installation Instructions
  • GP8076 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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