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Well Service Pumps

  • Specification Summary

  • Maximum Input 2237 bkW
  • Maximum RPM 275 r/min
  • Number of Plungers 5 plg
  • Stroke - Length 254 mm
  • View Pricing Download Brochure
product-WS305
When your job needs a stimulation pump, we’re ready. Our full line of well stimulation pumps are designed and manufactured by Caterpillar, in Caterpillar factories for single-source package confidence. WS305 XD well stimulation pumps are ideal for well stimulation applications using Cat 3512C (HD) engines and TH55 transmissions. Cat well stimulation pumps are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. Cat WS223 Well Stimulation Pump. Maximum power input: 2237 bkW (3000 bhp) @ 275 rpm.

Pump Specifications

Maximum Input 2237 bkW
Maximum RPM 275 r/min
Number of Plungers 5 plg
Stroke - Length 254 mm
Pump Weight 10886 kg
Gear Ratio 5.55:1
Rod Load 113398 kg
Bore Centers 330.2 mm

Fluid Ends

 Valve-over-valve design simplifies valve, seat, and plunger installation

 Full line of 1502 discharge flanges - male, female, and blank

 Zoomie or Log-style suction manifold available

 Grooveless valve stop, grooveless design eliminates stress risers present with a grooved valve stop design

 Plungers with advanced surface technology

 Premium plunger packing

 Polypak seals for more reliable sealing at suction cover and discharge flanges

 Fluid end components designed to maximize interchangeability across our fluid end line and with industry standard fluid ends

 Optimized autofrettage process

Power Ends

 Reverse helical pinion and bull gear design - great reliability

 Fully welded structure with additional internal supports

 Two-piece stay rod design - pretensioned stay rod lowers cyclic loading and fatigue stress

 Nose plate-to-frame design includes a dovetail interlocking design, which increases the structural strength

 Forged or fabricated bull gears - no cast material

 Forged crankshaft - one piece