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 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.

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Specs
Standard

Maximum Input	3000 BHP
Maximum RPM	275 r/min
Number of Plungers	5 plg
Stroke - Length	10 in
Pump Weight	24000 lb
Gear Ratio	5.55:1
Rod Load	250000 lb
Bore Centers	13 in

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

WS305

Pump Specifications

Fluid Ends

Power Ends