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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

Specification US Metric
Flow0.82 GPM3.1 L/min
Maximum Discharge Pressure3000 PSI200 bar
Crankshaft Speed1420 RPM
Power1.7 HP1.3 KW
Max Temperature160 °F70 °C
Inlet Port Size(2) 1/2" BSP
Discharge Port Size(2) 3/8" BSP
Plunger Diameter0.47 in.12 mm
Stroke0.49 in.12.4 mm
Maximum Inlet Pressure145 PSI10 bar
Crankshaft Diameter0.71 in.18 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity8.8 fl. oz. 0.26 L
Weight14.3 lbs.6.5 kg
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 #09758
31 08272 Sleeve 3
40 07234 O-Ring 3
42 12004 O-Ring, Plug 3
44 07035 O-Ring 3
Valve Assembly Kit – Part #09759
34 07325 Spring Tension Disc 6
35 08273 Valve Spring 6
36 06016 Valve Plate 6
37 06014 Valve Seat 6
38 06015 O-Ring 6
Oil Seal Kit – Part #09314
25 13403 Oil Scraper 3
26 08026 Sleeve 3

Horsepower Specifications

RPM GPM 1000 PSI 2000 PSI 2500 PSI 3000 PSI*
900 0.52 0.36 0.72 0.90 1.1
1100 0.64 0.44 0.88 1.1 1.3
1200 0.69 0.57 0.95 1.2 1.4
1420 0.82 0.57 1.1 1.4 1.7

*Intermittent duty only

Images Open in new Window/Tab

  • Dimensional Drawing (Side) Open
  • Dimensional Drawing (Front) Open
  • P48 Exploded View
  • P48 Parts List
  • P48 Torque Specifications


Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • P48 Installation Instructions
  • P48 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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