BH-800 Mud Pump Package

Powered by Caterpillar 398 Engine

Pump Information

General

• Pump Model: BH-800

• Pump Type: Triplex reciprocating mud pump

• Service: Drilling mud circulation

• Duty: Continuous drilling service

• Rated Power: 800 HP

Mechanical

• Stroke Length: 8.5 in

• Speed Range: 60 – 120 SPM

• Rated Rod Load: ~20,000 – 22,000 lb

• Crosshead: Heavy-duty guided

• Crankshaft: Forged alloy steel

• Bearings: Heavy-duty roller bearings

• Lubrication: Forced-pressure lubrication system

Fluid End

• Type: Forged steel fluid end

• Typical Liner Sizes:

  • 5.0 in

  • 5.5 in

  • 6.0 in

  • 6.5 in

• Valves: 4-web oilfield-style valves

• Pistons: Replaceable bonded rubber pistons

• Suction / Discharge: Flanged connections

Performance (Typical)

(Actual output depends on liner size, SPM, mud weight, and pressure)

• Maximum Pressure: up to 5,000 psi (small liners)

• Maximum Flow: up to 800 GPM (large liners, low pressure)

Representative Output @ 120 SPM

Engine Information

General

• Manufacturer: Caterpillar

• Engine Model: CAT 398

• Configuration: V-8, 4-stroke diesel

• Aspiration: Turbocharged & aftercooled

• Fuel Type: Diesel

• Duty Rating: Continuous heavy-duty oilfield service

Engine Performance

(Typical industrial ratings)

• Rated Power: 900 – 1,100 HP

• Rated Speed: 1,200 – 1,600 RPM

• Torque Characteristic: High torque at low RPM (ideal for mud pump duty)

• Torque Rise: ~25%