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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 ...
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Pump Specifications

Maximum Input
Maximum RPM
Number of Plungers
Stroke - Length
Pump Weight
Gear Ratio
Rod Load
Bore Centers

Benefits - 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

Benefits - 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

Standard Equipment: