Weatherford T425 Mud Pump

Maximum rated power: 350 HP (257 kW) Maximum pressure: 1,250 PSI (86.2 bar) (relief valve setting) Maximum flow rate: 550 GPM (2,082 L/min) Stroke length: 7.9 in (201 mm) Piston diameter: 6 in (152 mm) Minimum flow rate: 78 GPM (295 L/min) Maximum speed: (not specified; typical for this class is up to 300–400 RPM) Weight: (not specified; similar pumps typically ~4,000–5,000 lbs)