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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 www.P65Warnings.ca.gov

Specification US Metric
Flow75.3 GPM285 L/min
Maximum Discharge Pressure2000 PSI140 bar
Crankshaft Speed580 RPM
Power107 HP80 KW
Max Temperature140 °F60 °C
Inlet Port Size(2) 3" BSP
Discharge Port Size(2) 1-1/4" BSP
Plunger Diameter2.17 in.55 mm
Stroke2.83 in.72 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter2.76 in.70 mm
Crankshaft RotationTop of Pulley Towards Manifold
Key Width0.55 in.14 mm
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

The repair kits listed below 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.

ITEM# PART# DESCRIPTION Qty.
Plunger Packing Kit – Part #09616
38A 13286 O-Ring 6
38B 05281 Support Ring 6
39A 05066 O-Ring 3
40 07723 Seal Ring 3
42 05277 V-Sleeve 9
Inlet Valve Assembly Kit – Part #09587
51 04186 Inlet Valve Assembly 3
56A 06258 O-Ring 3
Discharge Valve Kit – Part# 09588
52 04188 Discharge Valve Assembly 3
56A 06258 O-Ring 3
Oil Seal Kit – Part #09584A
32 05058 Radial Shaft Seal 3
32A 03118 Scraper 3
33A 05056 O-Ring 3
Oil Seal Kit – Part #09584-R
Retrofit for pumps made before mid 2019
32 05058 Radial Shaft Seal 3
32A 03118 Scraper 3
33 03119 Seal Retainer 3
33A 05056 O-Ring 3

Horsepower Specifications

RPM GPM 500 PSI 1000 PSI 2000 PSI
300 38.9 13.4 26.8 53.7
400 51.9 17.9 35.8 71.6
500 64.9 22.4 44.1 89.5
580 75.3 26.0 51.9 103.9

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • GP8055A Exploded View
  • GP8055A Parts List

Literature

Documents open in new window/tab.

  • Pump Assembly Instructions
  • Giant Industries Limited Warranty
  • GP8055A Installation Instructions
  • GP8055A-1000 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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