WS255

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Overview

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. WS255 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 WS255 Well Stimulation Pump. Maximum power input: 1864 bkW (2500 bhp) @ 330 rpm.

Full Specifications Standard Equipment

Product Specifications for WS255

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Pump Specifications

Maximum Input	2500.0 BHP 1864.0 bkW
Maximum RPM	330.0 r/min 330.0 r/min
Stroke - Length	8.0 in 203.2 mm
Pump Weight	16000.0 lb 7257.0 kg
Gear Ratio	6.353:1 6.353:1

WS255 Standard Equipment

Fluid Ends

Dimensionally compatible with industry standard 8" and 10" stroke power ends

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

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

Suction manifold options - Zoomie and log-style, and our innovative low-profile option

Grooved and grooveless valve stop designs available, grooveless design eliminates stress risers present with a grooved valve stop design

Plunger line - colmonoy 6 coating with a minimum hardness of 56 RC

Standard and premium plunger packing available

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

Power Ends

Industry standard footprint - fully interchangeable with competitors' pumps

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

See how WS255 compares against frequently compared products.

US
Metric

Oil and Gas WS255

Maximum Input: 2500.0 BHP; 1864.0 bkW
Maximum RPM: 330.0 r/min; 330.0 r/min
Stroke - Length: 8.0 in; 203.2 mm

Selected Model

Oil and Gas WS273 XD

Maximum Input: 2700.0 BHP; 2014.0 bkW
Maximum RPM: 275.0 r/min; 275.0 r/min
Stroke - Length: 10.0 in; 254.0 mm

Model Details

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WS255

Overview