WS273 XD

WS273 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. WS273 ...

Pump Specifications

Maximum Input
Maximum RPM
Number of Plungers
Stroke - Length
Pump Weight
Gear Ratio

Benefits - Fluid Ends

• Valve-over-valve design simplifies valve, seat, and plunger installation• Full line of 1502 discharge flanges – male, female, and blank• Log-style suction manifold• 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

Benefits - Stainless Steel Options

• All XD Geometric benefits• Improved corrosion resistance, particularly in recycled water applications• Improved resistance to stress corrosion cracking• Optimized autofrettage parameters specifically for stainless steel material

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: