3512E Tier 4

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3512E Tier 4 Land Electric Drive Drilling Engine

General Specifications

Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled Less
Bore 6.7 in 170.0 mm Less
Displacement 3596.0 in³ 58.9 l Less
Flywheel and Flywheel Housing SAE No. 00 SAE No. 00 Less
Maximum Rating 1750.0 BHP 1306.0 bkW Less
Minimum Rating 1476.0 BHP 1101.0 bkW Less
Stroke 8.5 in 215.0 mm Less


Emissions U.S. EPA Tier 4 Final/CARB/EU Stage IV U.S. EPA Tier 4 Final/CARB/EU Stage IV Less


Length 130.0 in 3290.0 mm Less
Width 72.0 in 1817.0 mm Less
Height 78.0 in 1977.0 mm Less
Weight 21602.0 lb 9798.0 kg Less

Engine Design

- Developed specifically to meet the demands of oil and gas drilling applications - Built on the proven 3500 platform with industry leading reliability and durability - Core engine components designed for reconditioning and reuse at overhaul - Standard EMCP 4.4 control panel with Smart Engine Management System (SEMS) option - Robust design prolongs life and lowers owning and operating costs - NRS/Diesel Oxidation Catalyst (DOC)/common rail fuel system to meet Tier 4 Final/CARB/Stage IV emission standards - Diesel Exhaust Fluid (DEF) free solution; eliminates the storage, logistics, and issues involves with SCR/DEF design engines


- No need to store and handle diesel exhaust fluid (DEF) on drill site to meet emissions - E-stop pushbutton on EMCP 4.4 panel - Air shutoff standard and optional explosion relief valves - Configurable alarm, derate, and shutdown set points - Extra alarms, inputs, and outputs available

Ease of Installation and Packaging

- 3512E has the same foot print as the 3512C so can be packaged into 3512C master skid design with minimal changes - Dual Diesel Oxidation Catalyst (DOC) provides configuration flexibility and ease of packaging - EMCP control panel uses standard communication protocols to integrate easily with rig monitoring equipment to track productivity, health and performance

Low Owning and Operating Costs

- Paralleling and load sharing capability with SEMS - Emissions technology without secondary fluid - Reliable & dependable for maximum uptime in the most demanding Oil & Gas applications - Improved fuel efficiency translates to lower operating costs - Same long life to overhaul with maintenance free after treatment

Custom Packaging

For any oilfield 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 oneyear warranty after startup.


- Every Cat engine is full-load tested to ensure proper engine performance - Standard configurations are assembled, tested, and validated as a package to ensure performance, reliability and durability

Product Support Offered through Cat Dealer

- More than 2200 dealer outlets - Caterpillar factory-trained dealer technicians service every aspect of your Cat product - Worldwide parts availability, service, and warranty - Preventative maintenance agreements available for repair before failure options - Internal engine component condition - Presence of unwanted fluids and combustion by-products - Site-specific oil change interval

Over 80 Years of Engine Manufacturing Experience

The Caterpillar Production System enables manufacturing of products with the highest quality standards for long and dependable operation

Web Site

For all your oil & gas power requirements, visit www.cat.com/oilandgas

3512E Tier 4 Standard Equipment

Aftertreatment Mounting
  • 2 CEM shipped loose
  • Requires customer support structure & mounting

Air Inlet System
  • Aftercooler core, corrosion resistant
  • Air cleaner, regular duty, dual element, no pre-cleaner
  • Service indicators

Control System
  • Cat ADEM A5 ECU – LH
  • Direct Rack 0-200 ma

Cooling System
  • Outlet controlled thermostat and housing
  • Jacket water pump, gear driven
  • Aftercooler fresh water cooling pump (SCAC), gear driven centrifugal
  • Remote radiator cooling - single water outlet
  • 141.5 mm I.D. (5.6 in), hose type connection

Exhaust System
  • Exhaust manifolds, dry
  • Dual turbochargers with w/c bearings
  • Exhaust dual turbine outlet
  • All engines shipped with flex pipe kit

Flywheels & Flywheel Housing
  • Flywheel & Flywheel housing, SAE No. 00
  • SAE Standard rotation

Fuel System
  • Low pressure fuel transfer pump
  • High pressure common rail fuel system
  • Electronically controlled unit injectors with individual fuel accumulators
  • Electric fuel priming pump with fuel/water separator, shipped loose
  • High pressure fuel pump with fuel control valve
  • Boosted primary fuel filters with fuel/water separator, shipped loose

  • EMCP 4.4, shipped loose
  • Product Link™ engine monitoring

Lube System
  • Crankcase breather
  • Oil cooler
  • Oil pan drain valve – 2" NPT female connection
  • Shallow oil pan
  • Spin on oil filter - RH
  • Shipped dry

Mounting System
  • Rails, mounting, floor type, 254 mm (10 in)
  • Power Take-Offs
  • Accessory drive
  • Lower LH front (available for PTO usage)
  • Front housing, two-sided

Protection System
  • ADEM A5 ECM system to provide customer programmable engine deration strategies to protect against adverse operating conditions. Includes single slide gate air inlet shutoff, activated on overspeed or emergency stop

Starting System
  • Prelube integrated starting system: - Air starting motor, RH, 620-1034 kPa (90-150 psi), LH - Integrated air silencer - Air prelube motor, RH

  • Paint - Cat yellow
  • Vibration damper and guard
  • Lifting eyes

3512E Tier 4 Optional Equipment

Air Inlet System
  • Heavy-duty air cleaners (dual element with precleaners)

Charging System
  • 80 amp charging alternator

Cooling System
  • Caterpillar supplied radiator, 46/CVS-stacked, includes blower fan, fan drive, pulley, belt guard, regulator, fuel cooler
  • Single water outlet connection (for use with customer supplied radiator)
  • Coolant level sensor
  • Coolant conditioner

Exhaust System
  • Flex pipe kit
  • Residential mufflers (painted steel and stainless steel) with outlet elbow and rain cap

  • Product Link

Lube System
  • Closed crankcase ventilation
  • Centrifugal oil filter
  • Oil level regulator

Protection System
  • Explosion relief valve
  • Metal particle detector

  • Coupling hub
  • Barring group
  • Jacket water heater 240-480 V