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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
Flow38.4 GPM145.2 L/min
Maximum Discharge Pressure2600 PSI180 bar
Crankshaft Speed700 RPM
Power69.0 HP51.5 KW
Max Temperature140 °F60 °C
Inlet Port Size(2) 2-1/2" BSP
Discharge Port Size(2) 1-1/4" BSP
Plunger Diameter1.65 in.42 mm
Stroke2.05 in.52 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter1.89 in.48 mm
Crankshaft RotationTop of Pulley Towards Manifold
Key Width0.55 in.14 mm
Crankshaft MountingEither Side
Crankcase Oil Capacity US1.6 gal 6.0 L
Weight474 lbs.215 kg
NPSHR31.8 Ft.-head9.7 mWs
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 #09766-0121
38A 13156-0001 O-Ring 3
38B 13141-0001 O-Ring 3
39A 0480-0020 Grooved Seal Assembly 3
39C 05474 Clip Ring 3
40 03513 Guide Ring 3
41 03518 Support Ring 3
42 03519 Triple Coiled Ring 3
Valve Assembly Kit – Part #000
51 03436 Valve Assembly 6
56A 07658-0001 O-Ring 3
56B 07635 Support Ring 3
56C 13166 Support Ring 3
56D 07653-0001 O-Ring 3
Oil Seal Kit – Part #09221
32 07624 Radial Shaft Seal 3
33A 07627 O-Ring 3

Horsepower Specifications

RPM GPM 1000 PSI 1500 PSI 2000 PSI 2600 PSI
350 19.2 13.2 19.9 26.5 34.4
400 21.9 15.1 22.7 30.2 39.3
500 27.4 18.9 28.4 37.8 49.1
600 32.9 22.7 34.0 45.4 59.0
700 38.4 26.5 39.7 53.0 68.9

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • GP7142-5121 Exploded View
  • GP7142-5121 Parts List

Literature

Documents open in new window/tab.

  • Pump Assembly Instructions
  • Giant Industries Limited Warranty
  • GP7142-5121 Installation Instructions
  • GP7142-5121 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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