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A German-made reciprocating triplex plunger pump.

Attached gearbox; spheroidal cast iron crankcase with vented dipstick; forged, through-hardened, ground and polished crankshaft and pinion shaft; bronze connecting rods; hardened stainless steel plunger bases; solid ceramic plungers; nitrile seals with fabric reinforcing; stainless steel valves and machined stainless steel manifold. Comes equipped with an integrated oil cooling system.

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
Flow23.4 GPM88.5 L/min
Maximum Discharge Pressure4350 PSI300 bar
Crankshaft Speed750 RPM
Power72.7 HP54.2 KW
Max Temperature140 °F60 °C
Inlet Port Size(2) 1-1/4" NPT
Discharge Port Size(2) 3/4" NPT
Plunger Diameter1.3 in.32 mm
Stroke2.05 in.52 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter1.36 in.35 mm
Crankshaft RotationPinion Shaft Towards Back of Pump
Crankshaft MountingEither Side
Crankcase Oil Capacity US2.1 gal 8.0 L
Weight470 lbs.213 kg
Volumetric Efficiency0.94
Mechanical Efficiency0.83
Manifold Material Stainless Steel
Crankcase Material Spheroidal Cast Iron
Plunger Material Solid Ceramic Oxide
Valve Material 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 #09519
38A 13141 O-Ring, Seal Case 6
38B 13142 Support Ring 6
39A 13360 Grooved Ring 3
42 06096 V-Sleeve 6
Oil Seal Kit – Part #09221
32 07624 Radial Shaft Seal 3
33A 07627 O-Ring 3
Valve Assembly Kit – Part #09520
51A 12056 Support Ring 6
51B 07354 O-Ring 6
51C 13131 Inlet Valve Seat 3
51D 13130 Valve Plate 6
51E 07062-0100 Valve Spring 6
52C 13149 Discharge Valve Seat 3
58A 07700 O-Ring 3
58B 07693 Support Ring 3

Horsepower Specifications

RPM GPM 1400 PSI 2000 PSI 2500 PSI 3000 PSI 4350 PSI
300 9.4 9.4 13.4 16.7 20.1 29.1
400 12.5 12.5 17.8 22.3 26.7 38.8
550 17.2 17.2 24.5 30.6 36.8 53.3
600 18.7 18.7 26.7 33.4 40.1 58.2
650 20.3 20.3 29.0 36.2 43.5 63.0
700 21.8 21.8 31.2 39.0 46.8 67.9
750 23.4 23.4 33.4 41.8 50.1 72.7

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • GP7532GB Exploded View
  • GP7532GB Parts List
  • GP7532GB Torque Specifications


Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • GP7532GB Installation Instructions
  • GP7532GB 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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