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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.

WS223 Triplex Well Stimulation Pump

Product Details

Pump Specifications

Maximum Input 1678 bkW
Maximum RPM 300 RPM
Number of Plungers 3
Stroke Length 203.2 mm
Pump Weight 5897 kg
Gear Ratio 6.353:1
  • Fluid Ends
    •  Improved load balance and life of gears
    •  Industry standard footprint – ease of interchangeability
    •  Dimensionally compatible with industry standard 8" and 10"stroke power ends
    •  Valve-over-valve design simplifies valve, seat, and plungerinstallation
    •  Full line of 1502 discharge flanges – male, female, and blank
    •  Suction manifold options – Zoomie and log-style, and ourinnovative low-profile option
    •  Grooved and grooveless valve stop designs available,grooveless design eliminates stress risers present with agrooved valve stop design
    •  Plunger line – colmonoy 6 coating with a minimum hardnessof 56 RC
    •  Standard and premium plunger packing available
    •  Polypak seals for more reliable sealing at suction cover anddischarge flanges
    •  Fluid end components designed to maximize interchangeabilityacross our fluid end line and with industry standard fluid ends
  • Power Ends
    •  Industry standard footprint – fully interchangeable withcompetitors’ 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 lowerscyclic loading and fatigue stress
    •  Nose plate-to-frame design includes a dovetail interlockingdesign, which increases the structural strength
    •  Forged or fabricated bull gears – no cast material
    •  Forged crankshaft – one piece
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