USED GARDNER DENVER CAT 398

Manufacturer: Gardner Denver
Pump Model: PZ-9
Pump Type: Triplex reciprocating plunger pump
Service: Well service / cementing / pressure pumping
Duty: Continuous oilfield service
(Actual performance depends on liner size and operating speed)
Maximum Pressure: up to 5,000 psi
Maximum Flow: up to 9 BPM (~378 GPM)
Stroke Length: 4.5 in
Speed Range: 100 – 300 SPM
Rated Rod Load: ~8,500 – 9,000 lb
Fluid End: Forged steel
Plungers: Tungsten carbide
Valves: Oilfield 3-web / 4-web style
Packing: Chevron / V-type
Lubrication: Pressure-fed power end
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
(Typical industrial ratings)
Rated Power: 900 – 1,100 HP
Rated Speed: 1,200 – 1,600 RPM
Peak Torque: High torque at low RPM (pump-drive optimized)
Torque Rise: ~25%
Displacement: ~2,100 in³ (≈34.4 L)
Fuel System: Mechanical unit injection
Governor: Mechanical
Cooling: Radiator or remote cooling package
Lubrication: Forced pressure lubrication
Oil Capacity: ~30 – 35 gal
Electrical System: 24 VDC
Starting: Electric or air start
Gearbox or torque-converter drive
Gearbox or torque-converter drive
Flexible coupling
Flexible coupling
Skid or truck-mounted package
Skid or truck-mounted package
Radiator cooling system
Radiator cooling system
Pulsation dampener
Pulsation dampener
Instrument panel with safety shutdowns

Low oil pressure

High coolant temperature

Overspeed
Instrument panel with safety shutdowns
Low oil pressure
Low oil pressure
High coolant temperature
High coolant temperature
Overspeed
Overspeed
Well servicing
Well servicing
Cementing
Cementing
Acidizing
Acidizing
Pressure pumping
Pressure pumping
Water injection
Water injection