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A German-made reciprocating triplex plunger pump.

Aluminum 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; nitrile seals (with fabric reinforcing); stainless steel valves and forged brass 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
Flow3.9 GPM14.7 L/min
Maximum Discharge Pressure2200 PSI150 bar
Crankshaft Speed1420 RPM
Power6.0 HP4.5 KW
Max Temperature160 °F70 °C
Inlet Port Size(2) 1/2" BSP
Discharge Port Size(2) 3/8" BSP
Plunger Diameter0.71 in.18 mm
Stroke0.56 in.14.1 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter0.71 in.18 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity US8.8 fl. oz. 0.26 L
Weight13.9 lbs.6.3 kg
Volumetric Efficiency0.96
Mechanical Efficiency0.80
NPSHR17.4 Ft.-head5.3 mWs
Manifold Material Forged Brass
Crankcase Material Aluminum
Plunger Material Solid Ceramic Oxide
Valve Material High Grade 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.
Complete Plunger Packing Kit – Part #09081
31 07241 V-Sleeve 3
40 07234 O-Ring 3
50 07239 Rear V-Sleeve 3
51 07240 Support Ring 3
Valve Assembly Kit – Part #09039
34 07325 Spring Retainer 6
35 06017-0100 Valve Spring 6
36 06016 Valve Plate 6
37 06014 Valve Seat 6
38 06015 O-Ring, Valve Seat 6
40 07234 O-Ring, Adapter 3
42 12004 O-Ring, Inlet Plug 3
44 07035 O-Ring, Discharge Plug 3
Oil Seal Kit – Part #09202
26 07206 Radial Shaft Seal 3

Horsepower Specifications

RPM GPM 1000 PSI 1500 PSI 1700 PSI 2200 PSI
745 2.0 1.4 2.1 2.3 3.0
910 2.5 1.7 2.6 2.9 3.8
1140 3.1 2.1 3.2 3.6 4.7
1305 3.6 2.5 3.7 4.2 5.5
1420 3.9 2.7 4.0 4.5 5.9

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • P46W Exploded View
  • P46W Parts List
  • P46W Torque Specifications


Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • P46W Installation Instructions
  • P46W 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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