Compact and lightweight, the PAH was optimized for dynamic and flexible drilling operations. This direct-driven triplex mud pump is mobile and versatile to fit within any skid or trailer-mounted configuration. Engineered for smaller, high efficiency rigs, the PAH is a durable workhorse that you can rely on for shallow drilling projects.

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275 BHP
Max Rodload
22,030 LBS
Max Pressure
3,118 PSI
Max Flow
357 GPM


  • Nodular iron power frame, eccentric, connection rods, and crossheads
  • Spherical roller bearings carry eccentric
  • Double extended Jackshift carried on heavy-duty straight roller bearings
  • Dual roller bearing connecting rod
  • Heat-treated 4140 alloy steel main gears are bolted to the eccentric
  • Replaceable bronze crosshead slides
  • Full splash lubrication, with oil pump to feed working parts
  • Heat-treated alloy steel, interchangeable fluid cylinders
  • Center guided with urethane insert valves and seats
  • Replaceable-type element oil filter and oil pressure gauge
  • Threaded valve covers
  • Bolted-type stuffing boxes with plunger option
  • Clamp connection between plungers or between plated piston rod and extension rod
  • Complete piston washing and lubrication system available at an additional cost

Optional Features

  • Pistons and liners or colmonoy plungers and packing of select size
  • Fabricated steel skid under pump only
  • Large steel skid with non-skid decking
  • Mechanical lubricator for stuffing box packing
  • Centrifugal suction charging pump
  • Plunger rod washing system
  • Suction and/or discharge dampeners
  • Oil heat exchanger cooling system
  • External electric powered lube pump
  • Custom packaging available


Mud Pump Valves & Seats
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