3512E Tier 4 Final

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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) @ 1900 rpm meet U.S. EPA Non-road Mobile Tier 4 final emission standards.

General Specifications

Minimum Rating 2250.0 BHP 1678.0 bkW Less
Maximum Rating 2500.0 BHP 1864.0 bkW Less
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled Less
Displacement 3596.0 in³ 58.9 l Less
Flywheel and Flywheel Housing SAE No. 0 SAE No. 0 Less
Flywheel Teeth 151 151 Less
Stroke 8.5 in 215.0 mm Less
Bore 6.7 in 170.0 mm Less


Emissions Non-Road Mobile EPA Tier 4 Final Non-Road Mobile EPA Tier 4 Final Less


Length 123.0 in 3116.0 mm Less
Width 90.9 in 2308.7 mm Less
Height 104.0 in 2635.0 mm Less
Weight 15793.0 lb 7164.0 kg Less

Engine Design

- Proven reliability and durability - Robust diesel strength design prolongs life and lowers owning and operating costs - Broad operating speed range - Broad operating speed range - Air shutoff integrated with engine controls - EGR/Diesel Oxidation Catalyst (DOC)/common rail fuel to meet Tier 4 emission standards

Cooling System

Air-to-Air Aftercooled (ATAAC)

Engine Mounted Transmission Oil Cooler —

Integration with engine cooling system allows ease of installation and a tighter overall engine package

Engine-Mounted Package

Integrates with engine, aftertreatment, heavy-duty air cleaners, industrial or residential grade mufflers, and connected piping

Advanced Digital Engine Management

ADEM A4 engine management system integrates with engine, aftertreatment, heavy-duty air cleaners, industrial or residential grade mufflers, and connected piping

Custom Packaging

For any petroleum application, trust Caterpillar to meet your project needs with custom factory generator sets and mechanical packages. Cat engines, generators, controls, radiators, and transmissions can be custom designed and matched in collaboration with our local dealers to create unique solutions. Custom packages are globally supported and are covered by a one year warranty after startup.

Full Range of Attachments

Large variety of factory-installed engine attachments reduces packaging time


Every engine is full-load tested to ensure proper engine performance

Product Support

- More than 2,200 dealer outlets - Cat factory-trained dealer technicians service every aspect of your petroleum engine - Cat parts and labor warranty - Preventive maintenance agreements available for repair-before-failure options - S•O•SSM program matches your oil and coolant samples against Caterpillar set standards to determine: • Internal engine component condition • Presence of unwanted fluids • Presence of combustion by-products • Site-specific oil change interval

Over 80 Years of Engine Manufacturing Experience

- Ownership of these manufacturing processes enables Caterpillar to produce high quality, dependable products. • Cast engine blocks, heads, cylinder liners, front and flywheel housings • Machine critical components • Assemble complete engine

Web Site

For all your petroleum power requirements, visit www.catoilandgasinfo.com.

3512E Tier 4 FinalStandard Equipment

Air Inlet System
  • Air-to-air aftercooled
  • Air cleaners (single element w/service indicator)

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

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

Exhaust System
  • Land Well Service Engine:
  • Offshore Well Service Engine:

Flywheels & Flywheel Housing
  • Flywheel, SAE No. 0, 151 teeth

Fuel System
  • Secondary/tertiary fuel filters
  • Fuel priming pump (electric)
  • Common rail fuel system
  • Fuel transfer pump

Lube System
  • 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

Mounting System
  • Trunion front support

Power Take-Offs
  • Accessory drive -- Lower LH/upper RH
  • Front housing, two-sided

Protection System
  • 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

3512E Tier 4 FinalOptional Equipment

Air Inlet System
  • Optional heavy-duty air cleaners (dual element/service indicator with precleaners)
  • Four front-mounted turbochargers

Charging System
  • Charging alternators

Control System
  • Throttle position sensors
  • Local speed throttle control
  • Governor conversion
  • Variable speed radiator fan control

Cooling System
  • Coolant regulator conversion
  • Water level switch gauge
  • Coolant level sensors and coolant conditioner
  • External transmission cooler connections
  • Variable speed hydraulic fan pump

Emissions Certifications
  • US EPA Tier 4 Final

Exhaust System
  • Flexible exhaust fitting
  • Elbows, flange, bellows, rain caps
  • Industrial and residential mufflers (painted steel and stainless steel)

Fuel Systems
  • Flexible fuel lines
  • Primary fuel filter/fuel water separator

  • Remote panel display and remote cylinder temperature display

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

Power Take-Offs
  • Flywheel stub shaft
  • Front Crankshaft Adapter

Protection System
  • Sensors
  • Shutoff controls

Starting System
  • Hydraulic starter
  • Hydraulic starter - RH
  • Dual hydraulic starter - LHR
  • Manual engine barring device

  • Air compressor
  • Aftertreatment support package