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Caterpillar

Cat® 3612 Industrial Diesel Engine

For your largest power needs in any environment, Cat® 3612 Industrial Diesel Engines offer the unsurpassed performance and durability your customers need to keep their industrial applications and operations running. They deliver high power output, proven reliability and excellent fuel efficiency. These engines maintain low operating costs to keep your customers profitable for years to come. Industries powered by 3616 engines include Construction, Forestry, General Industrial, Material Handling and Mining. These 3612 engines, with ratings: 2980-3700 bkW (3996-4962 bhp) @ 750-1000 rpm, are non-certified and available for global non-regulated areas.

Media

Photos

3612 LRC
3612 LRC

Features

Reliable, Quiet and Durable Power

Fuel Efficiency

Quality

World-class Product Support Offered Through Global Cat Dealer Network

World-class Product Support Offered Through Global Cat Dealer Network

Details

Specifications

Spec Value
Maximum Power 4962 HP 3700 kW
Maximum Torque 30848 lb-ft @ 800 rpm 41822 Nm @ 800 rpm
Rated Speed 750-1000 rpm 750-1000 rpm
Minimum Power 3996 HP 2980 kW
Spec Value
Emissions Non-Certified Non-Certified
Spec Value
Engine Configuration V-12, 4-Stroke-Cycle Diesel V-12, 4-Stroke-Cycle Diesel
Bore 11 in 280 mm
Stroke 11.8 in 300 mm
Displacement 13527 in³ 221.7 l
Aspiration Turbocharged Aftercooled Turbocharged Aftercooled
Rotation from Flywheel End Counterclockwise Counterclockwise
Aftertreatment - -
Spec Value
Length 180 in 4562 mm
Width 67 in 1704 mm
Height 127 in 3231 mm
Weight – Net Dry – Basic Operating Engine Without Optional Attachments 55300 lb 25140 kg

Standard Equipment

Air Inlet System

  • Aftercooler core, corrosion resistant coated (air side)
  • Air cleaner. Regular duty, dry, panel type with service indicators, turbocharger, jacket water aftercooled.
  • Turbocharger, rear mounted
  • Jacket water aftercooled

Control System

  • Governor, RH, 3161 with self contained synthetic oil sump
  • Air-fuel ratio control
  • Mechanical speed control, without torque control
  • Governor control
  • Positive locking

Cooling System

  • Thermostats and housing
  • Jacket water pump, centrifugal

Exhaust System

  • Exhaust manifold, dry

Flywheels and Flywheel Housing

  • SAE No. 00 flywheel
  • 183 flywheel teeth
  • SAE No. 00 flywheel housing

Fuel System

  • Fuel filter, with service indicators, cartridge type with RH service
  • Fuel transfer pump

Instrumentation

  • Instrument Panel, RH
  • Engine oil pressure gauge
  • Fuel pressure gauge
  • Oil filter differential gauge
  • Jacket water temperature gauge
  • Service meter, electric
  • Tachometer

Lube System

  • Crankcase breather, top mounted
  • Oil cooler
  • Oil filler
  • Oil dipstick
  • Oil pump
  • Oil filter, cartridge type with RH service
  • Shallow oil pan

Mounting System

  • Rails, mounting, engine length, 254 mm (10 in), industrial-type, C-channel.

Power Take Off

  • Accessory drive, upper RH
  • Front housing, single sided

Protection System

  • Junction box
  • Manual shutoff, RH
  • Safety shutoff protection, energized to shutdown
  • Low oil pressure, low idle 69 kPa (10 psi); high idle 207 kPa (30 psi)
  • Water temperature
  • Overspeed
  • 3161 governor solenoid energized to shutdown

Starting System

  • Starting switch

General

  • Vibration damper
  • Lifting eyes
  • Paint: Caterpillar yellow, with optional colors available at request

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