Pump Type: Triplex, single-acting reciprocating piston pump
Rated Input Power: 1,600 HP (≈ 1,193 kW)
Typical Application: Land drilling rigs (SCR / mechanical rigs)
Maximum Pump Speed: ~120 strokes per minute (SPM)
Stroke Length: 12 in (305 mm)
Gear Ratio: ~4.2 : 1
Drive Gears: Double-helical (herringbone) hardened alloy steel
Lubrication: Forced and splash lubrication system
Bearings: Heavy-duty roller bearings throughout power end
Fluid End Type: Forged steel, API-style
Maximum Working Pressure: 5,000 psi (standard configuration)
Valve Type: API valve-over-valve design
Liner Sizes (typical): 5", 5-1/2", 6", 6-3/4", 7"
7" liner: ~720 GPM @ ~3,400 psi
6-3/4" liner: ~670 GPM @ ~3,800 psi
6" liner: ~530 GPM @ ~4,800 psi
5-1/2" liner: ~470 GPM @ ~5,000 psi
(Actual performance varies by liner size, mud weight, and efficiency)
Suction Connection: ~12 in diameter
Discharge Connection: 5-1/8 in API flange
Complete Pump Weight: 54,000 – 55,000 lb
Overall Length: ~180 in
Overall Width: ~125–130 in
Overall Height: ~100–105 in