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Overview

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.

Power Rating

Units:
Minimum Power 3996.0 bhp 2980.0 bkW Less
Maximum Power 4962.0 bhp 3700.0 bkW Less
Rated Speed 750-1000 rpm 750-1000 rpm Less

Emission Standards

Emissions Non-certified Non-certified Less

General

Engine Configuration V-12, 4-Stroke-Cycle Diesel V-12, 4-Stroke-Cycle Diesel Less
Bore 280 mm (11 in) 280 mm (11 in) Less
Stroke 300 mm (11.8 in) 300 mm (11.8 in) Less
Displacement 221.7 L (13527 in³) 221.7 L (13527 in³) Less
Aspiration Turbocharged Aftercooled Turbocharged Aftercooled Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Length 4562 mm (180 in) 4562 mm (180 in) Less
Width 1704 mm (67 in) 1704 mm (67 in) Less
Height 3231 mm (127 in) 3231 mm (127 in) Less
Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 25,140 kg (55,300 lb) 25,140 kg (55,300 lb) Less

Emissions

Non-certified rating. Available for global non-regulated areas.

Reliable, Quiet and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Quality

Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including S•O•SSM sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

3612 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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