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A German-made reciprocating triplex plunger pump for bentonite applications.

Spheroidal cast iron crankcase with sight glass and vented dipstick; forged, through-hardened, ground and polished crankshaft; bronze connecting rods; hardened stainless steel plunger bases; solid ceramic plungers; Aramid packing; stainless steel valves and spheroidal cast iron manifold.

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
Flow105.7 GPM400 L/min
Maximum Discharge Pressure1015 PSI70 bar
Crankshaft Speed700 RPM
Power74.0 HP55.2 KW
Max Temperature104 °F40 °C
Inlet Port Size(2) 2-1/2" BSP
Discharge Port Size(2) 1-1/2" BSP
Plunger Diameter2.76 in.70 mm
Stroke2.05 in.52 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter48 mm
Crankshaft RotationTop of Pulley Towards Manifold
Key Width14 mm
Crankshaft MountingEither Side
Crankcase Oil Capacity US2.4 gal 9.0 L
Weight423 lbs.192 kg
Manifold Material Cast Iron
Crankcase Material Spheroidal Cast Iron
Plunger Material Solid Ceramic Oxide
Valve Material Stainless Steel
Seal Material Aramid Packing
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 #09558
38A 06667 O-Ring 6
41 06670 Spiral Ring 6
42 06671 Support Ring 3
Valve Assembly Kit – Part #09836
51A 04685 Valve Seat, Inlet 3
51B 04686 Guide Ring 3
51C/52C 04687 Valve Seal Ring 6
51D/52D 04688 Valve Plate 6
51E/52E 05480 Valve Spring 6
51F/52F 04690 Guide Sleeve 6
51G/52G 04691 Spring Tension Cap 6
51H 05167 O-Ring 3
51J/52J 07758 O-Ring 6
52A 04693 Valve Seat, Discharge 3
52B 03433 Guide Ring 3
52H 03434 O-Ring 3
52K 05599 O-Ring 3
52L 13309 Spacer 3
57 04699 O-Ring 3
Oil Seal Kit – Part #09557
32 07624 Radial Shaft Seal 3
33A 13286 O-Ring 3

Horsepower Specifications

RPM GPM 500 PSI 700 PSI 900 PSI 1015 PSI
300 45.3 15.6 21.9 28.1 31.7
400 60.4 20.8 29.2 37.5 42.3
500 75.4 26.0 36.4 46.8 52.8
560 84.5 29.1 40.8 54.5 59.2
700 105.7 36.5 51.0 65.6 74.0

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • BP7171 Exploded View
  • BP7171 Parts List
  • BP7171 Torque Specifications


Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • BP7171 Installation Instructions
  • BP7171 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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