Weatherford WDD340 Mud Pump

Maximum rated power: 340 HP (254 kW) Maximum pressure: 2,000 PSI (138 bar) Maximum flow rate: (not specified directly; with 5 in. stroke and typical liner sizes, estimated up to ~400–500 GPM depending on configuration) Stroke length: 5 in (127 mm) Maximum speed: 350 RPM Minimum speed: 25 RPM Rated rod load: 20,750 lbs (9,412 kg) Oil capacity (pump): 8 gal (30.3 L) Weight (pump): 4,500 lbs (2,041 kg)