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A German-made triplex plunger positive displacement pump with reciprocating plungers for direct or belt drive applications.

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; Teflon seals; stainless steel valves and forged brass manifold with external weep 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
Flow7.5 GPM28.3 L/min
Maximum Discharge Pressure1450 PSI100 bar
Crankshaft Speed1450 RPM
Power7.7 HP5.7 KW
Crankshaft Speed (High)9 RPM
Intermittent Flow9 GPM32.8 L/min
Intermittent Discharge Pressure1000 PSI70 bar
Intermittent Crankshaft Speed1750 RPM
Intermittent Power Consumption6.2 HP4.6 kW
Max Temperature140 °F60 °C
Inlet Port Size(2) 1/2" BSP, (1) 3/4" BSP
Discharge Port Size(2) 1/2" BSP
Plunger Diameter0.87 in.22 mm
Stroke0.71 in.18.1 mm
Maximum Inlet Pressure140 PSI9.7 bar
Crankshaft Diameter0.94 in.24 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity US12.5 fl. oz. 0.37 L
Weight19.4 lbs.8.8 kg
Volumetric Efficiency0.95
Mechanical Efficiency0.86
NPSHR0.86 Ft.-head
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.
Plunger Packing Kit – Part #09508
31 06722 Automatic Seal Ring 3
32 06253 Support Ring 3
40 07234 O-Ring 6
49 01009 O-Ring 1
50 13390 Grooved Seal 3
Valve Assembly Kit – Part #09318
34 07326-0100 Tension Cap 3
35 07312-0100 Valve Spring 3
36 07327 Valve Plate 3
37 06014 Valve Seat 3
38 06015 O-Ring 3
Oil Seal Kit – Part #09202
26 07206 Radial Shaft Seal 3

Horsepower Specifications

RPM GPM 500 PSI 1000 PSI 1500 PSI 1900 PSI
910 4.7 1.6 3.2 4.8 6.1
1025 5.3 1.8 3.6 5.4 6.9
1190 6.1 2.1 4.2 6.3 7.9
1305 7.0 2.4 4.8 7.2 9.1
1450 7.5 2.6 5.1 7.7 9.8
1750* 9.0 3.1 6.2

*Intermittent duty only!

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  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • P59MT-0020 Parts List


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  • Pump Assembly Instructions
  • Giant Industries Limited Warranty
  • Troubleshooting Guide

Sample Pump

Our Company

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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