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3512C (HD) Offshore Well Stimulation Engine

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3512C (HD) Offshore Well Stimulation Engine

Maximum Rating2500 BHP
Displacement58.9 in³
Minimum Rating2150 BHP
AspirationTurbocharged-Aftercooled
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Learn more about our 3512C (HD) Offshore Well Stimulation Engine

The 3512C (HD) offshore engine for well stimulation operations was specifically developed to operate in harsh environments offshore while meeting the highest standards in performance, durability, reliability, and emissions. Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. 3512C (HD) offshore engines, with ratings: 1678-1864 bkW (2250-2500 bhp) @ 1900 rpm meet IMO Tier II and U.S. EPA Marine Tier 2 emission standards.

Maximum Rating
2500BHP
Displacement
58.9in³
Minimum Rating
2150BHP
Aspiration
Turbocharged-Aftercooled
Flywheel and Flywheel Housing
SAE No. 0
Flywheel Teeth
151
Stroke
8.5in
Bore
6.7in
Emissions
IMO Tier II and EPA Marine Tier 2
Length
113.8in
Width
64.2in
Height
86.1in
Weight
14145lb
Heavy-duty air cleaners (dual element/service indicator)
Four center-mounted turbochargers
Cat® ADEM A3 ECU — LH
With electronic fuel injector fuel system (10 amp DC power required to drive electronic engine control module)
Separate Circuit SCAC system
Torque converter connections
Thermostats and housing, jacket and separate circuit water pump, gear-driven centrifugal
Land well service engine
Exhaust manifold, dry, slip joint with stainless steel wire seal
Four turbochargers with watercooled bearings (center mounted)
Exhaust outlet, dual 203 mm (8 in) round flange
Flywheel, SAE No. 0, 151 teeth
Flywheel housing, SAE No. 0
Primary fuel filter
Fuel priming pump
Fuel filter — RH spin-on type
Fuel transfer pump
Electronically controlled unit injectors
No standard instrumentation
Optional, remote instrumentation available
Service meter
Crankcase breather — top mounted
Oil cooler
Oil filler and dipstick — LH
Oil pump
Oil filter — RH spin-on type
Rear sump oil pan — 250-hour change interval
Oil pan drain valve — 1" NPT female connection
Fumes disposal
Scavenger pump
Trunion front support
Accessory drive — lower LH
Front housing — two-sided
ADEM A3 ECU system to provide customer programmable engine deration strategies to protect against adverse operating conditions
Emergency stop logic inputs provided at 40-pin customer interface connection
Dual air inlet shutoff
Oil pressure monitor
General
Vibration damper and guard
Lifting eyes
Charging alternators
Local speed throttle control
Throttle position sensors
Governor conversion
Coolant regulator conversion
Water level switch gauge
Coolant level sensors and coolant conditioner
Flexible exhaust fitting
Elbows, flange, exhaust adapters
Manifold and mufflers
Flexible fuel lines
Water/fuel separator
Fuel level switch
Remote panel display and remote cylinder temperature display
Gauges and instrument panels
Oil pans and filters
Deep sump oil pan and front sump pan
Front crankshaft adapter
Flywheel stub shaft
Sensors
Shutoff controls
Air starting motors
Electric starting motors
Hydraulic starter
Ether starting aids
Battery sets — 24V
Battery cable and battery rack
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