3512E Tier 4 Final Well Service Engine

  • Overview

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

General Specifications
Maximum Rating 1864 bkW (2500 BHP)
Displacement 58.9 l (3596 inu00b3)
Minimum Rating 1678 bkW (2250 BHP)
Aspiration Turbocharged-Aftercooled
Flywheel and Flywheel Housing SAE No. 0
Flywheel Teeth 151
Stroke 215 mm (8.5 in)
Bore 170 mm (6.7 in)
Emissions Non-Road Mobile EPA Tier 4 Final
Length 3116 mm (123 in)
Width 2308.7 mm (90.9 in)
Height 2635 mm (104 in)
Weight 7164 kg (15793 lb)

Standard Equipment

  • Air Inlet System
    • Air-to-air aftercooled
    • Air cleaners (single element w/service indicator)
  • Control System
    • ADEM A4 ECU, LH
    • With electronic fuel injector fuel system (10 amp DC power required to drive electronic engine control module)
  • Cooling System
    • ATAAC
    • 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
  • General
    • Paint, Cat yellow
    • Vibration damper and guard
    • Lifting eyes
    • Hydraulic valve lash adjusters
    • Power link engine monitoring

Optional 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
  • Instrumentation
    • 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
  • General
    • Air compressor
    • Aftertreatment support package

Enquiry Form

    This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.