3512E Tier 4 Final

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.

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


For all your petroleum power requirements, visit www.cat.com/oilandgas

Standard 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

Additional information

Offering Type

General Specifications - Maximum Rating

1864.0 bkW ( 2500.0 BHP )

General Specifications - Displacement

58.9 l ( 3596.0 in³ )

General Specifications - Minimum Rating

1678.0 bkW ( 2250.0 BHP )

General Specifications - Aspiration


General Specifications - Flywheel and Flywheel Housing

SAE No. 0

General Specifications - Flywheel Teeth


General Specifications - Stroke

215.0 mm ( 8.5 in )

General Specifications - Bore

170.0 mm ( 6.7 in )


Non-Road Mobile EPA Tier 4 Final

Dimensions - Length

3116.0 mm ( 123.0 in )

Dimensions - Width

2308.7 mm ( 90.9 in )

Dimensions - Height

2635.0 mm ( 104.0 in )

Dimensions - Weight

7164.0 kg ( 15793.0 lb )

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