3512E HD Dry Manifold with ATAAC Petroleum Engine Well Servicing Engines

Well Service Engines 3512E Tier 4 Final

Request A Price Find Dealer

Key Specs

Maximum Rating
2500 BHP
1864 bkW
Non-Road Mobile EPA Tier 4 Final
Non-Road Mobile EPA Tier 4 Final
3596 in³
58.9 l


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.

Product Specifications for 3512E Tier 4 Final

Maximum Rating 2500 BHP 1864 bkW
Displacement 3596 in³ 58.9 l
Minimum Rating 2250 BHP 1678 bkW
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled
Flywheel and Flywheel Housing SAE No. 0 SAE No. 0
Flywheel Teeth 151 151
Stroke 8.5 in 215 mm
Bore 6.7 in 170 mm
Emissions Non-Road Mobile EPA Tier 4 Final Non-Road Mobile EPA Tier 4 Final
Length 123 in 3116 mm
Width 90.9 in 2308.7 mm
Height 104 in 2635 mm
Weight 15793 lb 7164 kg

3512E Tier 4 Final 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

3512E Tier 4 Final 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


  • 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

See how 3512E Tier 4 Final compares against frequently compared products.

Tools And Expert Help At Every Turn

Check out current offers for the 3512E Tier 4 Final

View More Offers