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Well Service Pumps

Oil and gas producers have relied on Caterpillar since the industry's earliest days. For 60 years, we've powered the petroleum business on land. Now we go with it onto the ocean, hundred of miles out, thousands of feet down.

WS305 XD

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.

  • Specification Summary

  • Maximum Input 2237 bkW
  • Maximum RPM 275 r/min
  • Number of Plungers 5
  • Stroke - Length 254 mm
  • Specification Sheet


Product Details

Pump Specifications

Maximum Input 2237 bkW
Maximum RPM 275 r/min
Number of Plungers 5
Stroke - Length 254 mm
Pump Weight 10886 kg
Gear Ratio 5.55:1
  • 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

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