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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
Flow84.5 GPM320 L/min
Maximum Discharge Pressure2000 PSI140 bar
Crankshaft Speed900 RPM
Power118 HP88.0 KW
Max Temperature86 °F30 °C
Inlet Port Size(2) 2-1/2" NPT
Discharge Port Size(2) 1-1/4" NPT
Plunger Diameter2.17 in.55 mm
Stroke2.05 in.52 mm
Crankshaft Diameter1.38 in.35 mm
Crankshaft RotationPinion Shaft Towards Back of Pump
Crankshaft MountingEither Side
Crankcase Oil Capacity US2.1 Gal 8.0 L
Weight469 lbs.213 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.
ITEM# PART# DESCRIPTION Qty.
Plunger Packing Kit – Part #09220
38A 13156 O-Ring 3
38B 07721 O-Ring 3
39A 07723 Grooved Ring 3
41 13158 Support Ring 3
42 07711 V-Sleeve 6
Oil Seal Kit – Part #09221
32 07624 Radial Shaft Seal 3
33A 07627 O-Ring 3
Inlet Valve Assembly Kit – Part #09559
51 05594 Inlet Valve Assembly 1
56A 07658 O-Ring 1
56B 07635 Support Ring 1
Large Discharge Valve Kit – Part #09560
52 05600 Discharge Valve Assembly 1
55 05647 Valve Spacer 1
56A 07658 O-Ring 1
56B 07635 Support Ring 1
Small Discharge Valve Kit* – Part #09561
51B 05450 Valve Spring 1
51C 05247 Valve Plate 1
51D 05596 O-Ring 1
52F 05599 O-Ring 1
56A 07658 O-Ring 1
56B 07635 Support Ring 1

*The discharge valve seat (item 52E) can be flipped over and used. If it is damaged on both sides order kit #09660.

Horsepower Specifications

RPM GPM 500 PSI 1000 PSI 1500 PSI 2000 PSI
400 42.3 14.6 29.2 43.8 58.3
500 52.8 18.2 36.4 54.6 72.8
600 63.4 21.9 43.7 65.6 87.5
700 73.9 25.5 51.0 76.5 101.9
800 84.5 29.1 58.3 87.4 116.6

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • GP7555GB Exploded View
  • GP7555GB Parts List

Literature

Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • GP7555GB Installation Instructions
  • GP7555GB 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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