3512E Tier 4 Final Well Service Engine

3512E Tier 4 Final Well Service Engine

Well stimulation operations in the oilfield are complex and demanding. The 3512E Tier 4 Final engine for well service operations was specifically developed to meet Tier 4 Final emissions and to meet the highest standards in performance, durability, and reliability. Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. 3512E engines, with ratings: 1678-1864 bkW (2250-2500 bhp) @ 1800 rpm meet U.S. EPA Non-road Mobile Tier 4 final emission standards.

  • Maximum Rating 2500 BHP

  • Emissions Non-Road Mobile EPA Tier 4 Final

  • Displacement 3596 in³

  • Minimum Rating 2250 BHP

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Product Specifications


General Specifications

  • Aspiration Turbocharged-Aftercooled

  • Bore 6.7in

  • Displacement 3596in³

  • Flywheel Teeth 151

  • Flywheel and Flywheel Housing SAE No. 0

  • Maximum Rating 2500BHP

  • Minimum Rating 2250BHP

  • Stroke 8.5in


  • Emissions Non-Road Mobile EPA Tier 4 Final


  • Height 104in

  • Length 123in

  • Weight 15793lb

  • Width 90.9in



Standard Equipment

  • Air-to-air aftercooled

  • Air cleaners (single element w/service indicator)


  • With electronic fuel injector fuel system (10 amp DC power required to drive electronic engine control module)


  • Thermostats and housing, jacket water pump, gear-driven centrifugal (gear-driven centrifugal pumps)

  • Land Well Service Engine:

  • Offshore Well Service Engine:

  • Flywheel, SAE No. 0, 151 teeth

  • Secondary/tertiary fuel filters

  • Fuel priming pump (electric)

  • Common rail fuel system

  • Fuel transfer pump

  • Crankcase breather — top-mounted

  • Electric prelube

  • Fumes disposal

  • 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

  • Oil scavenger pump

  • Trunion front support

  • Accessory drive -- Lower LH/upper RH

  • Front housing, two-sided

  • ADEM A4 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

  • Paint, Cat yellow

  • Vibration damper and guard

  • Lifting eyes

  • Hydraulic valve lash adjusters

  • Power link engine monitoring

Optional Equipment

  • Optional heavy-duty air cleaners (dual element/service indicator with precleaners)

  • Four front-mounted turbochargers

  • Charging alternators

  • Throttle position sensors

  • Local speed throttle control

  • Governor conversion

  • Variable speed radiator fan control

  • Coolant regulator conversion

  • Water level switch gauge

  • Coolant level sensors and coolant conditioner

  • External transmission cooler connections

  • Variable speed hydraulic fan pump

  • US EPA Tier 4 Final

  • Flexible exhaust fitting

  • Elbows, flange, bellows, rain caps

  • Industrial and residential mufflers (painted steel and stainless steel)

  • Flexible fuel lines

  • Primary fuel filter/fuel water separator

  • Remote panel display and remote cylinder temperature display

  • 500- hour deep sump oil pan (rear sump pan)

  • Flywheel stub shaft

  • Front Crankshaft Adapter

  • Sensors

  • Shutoff controls

  • Hydraulic starter

  • Hydraulic starter - RH

  • Dual hydraulic starter - LHR

  • Manual engine barring device

  • Air compressor

  • Aftertreatment support package