3612 (60 Hz)

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Producing reliable powerfrom 3300 to 4000 ekW at 60 Hz, our 3612 diesel generator sets are made to meet your mission critical, continuous, standby and prime applications. We've designed each to ISO 8528-5 transient response requirements and to accept 100 per cent rated load in one step. The generator set is certified for low fuel consumption.

Generator Set Specifications

Minimum Rating 3300 ekW 3300 ekW Less
Maximum Rating 4000 ekW 4000 ekW Less
Emissions/Fuel Strategy Low Fuel Consumption Low Fuel Consumption Less
Frequency 60 Hz 60 Hz Less
Speed 720 & 900 rpm 720 & 900 rpm Less
Duty Cycle Prime, Continuous Prime, Continuous Less

Engine Specifications

Engine Model 3612 V-12,4-Stroke Water-Cooled Diesel 3612 V-12,4-Stroke Water-Cooled Diesel Less
Bore 11.0 in 280.0 mm Less
Stroke 11.8 in 300.0 mm Less
Displacement 13524.0 in³ 222.0 l Less
Compression Ratio 13:01 13:01 Less
Aspiration TA TA Less
Fuel System Direct unit injection Direct unit injection Less
Governor Type Generator Set Monitoring System (GMS) Generator Set Monitoring System (GMS) Less

Generator Set Dimensions

Length - Maximum 404.0 in 10261.7 mm Less
Width - Maximum 99.62 in 2530.3 mm Less
Height - Maximum 156.6 in 3977.7 mm Less
Dry Weight - Genset (maximum) 112690.0 lb 51230.0 kg Less

Cat Diesel Engine


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Full Range of Attachments

3612 (60 Hz) Standard Equipment

Air Inlet System
  • Turbocharger, watercooled, engine oil lubricated
  • Aftercooler, fresh water, corrosion resistant coated (air side)
  • Air cleaner
  • Breather, crankcase, top-mounted
  • Air inlet shutoff

Cooling System
  • Jacket water thermostats
  • Engine coolant water drains
  • Water temperature regulator
  • Three-bundle oil cooler
  • Front mounted turbos

Exhaust System
  • Dry, gas tight, exhaust manifold
  • 457 mm (18 in) Cat bolt pattern
  • Includes adapter, flexible exhaust fitting

Fuel System
  • Simplex or duplex

Generator System
  • Custom generator per generator data sheet completed by Dealer

Governor System
  • UG actuator

Lube System
  • Oil pressure regulating valve
  • Oil filler and dipstick
  • Service side engine mounted on cylinder block inspection covers
  • Wet oil sump. Includes engine-driven main lubrication & oil pumps, oil lines and oil pan
  • Centrifugal oil filters with single shutoff
  • Crankcase explosion relief valves

Mounting System
  • Engine and generator mounting
  • Damper, torsional vibration

Starting / Charging System
  • Vane type air starter
  • Air silencer
  • Line group for single point custom connection
  • Two motors, engine mounted at rear, on left side

  • Gear driven pumps: Fuel / Oil / Jacket water / Aftercooler / Oil cooler water
  • Paint, Caterpillar yellow

3612 (60 Hz) Optional Equipment

Air Inlet System
  • Boost control valve
  • Air inlet adapter
  • Soot Filter
  • Vertical Support Bracket
  • Air cleaner louver assembly
  • Heavy duty air cleaner

Cooling System
  • Heat exchanger for single circuit
  • Heating aids
  • Cooling system aids
  • Expansion tank
  • Auxiliary water pump

Exhaust System
  • Weld flange and related hardware
  • Flexible exhaust fittings

Fuel System
  • Fuel system connections
  • Fuel priming pump
  • Duplex primary fuel strainer

Generator System
  • Busbar connections
  • Anti-condensation space heaters
  • Class F insulation
  • Winding temperature detectors
  • 3 Phase, six leads, WYE

Governor System
  • 723 Plus
  • Digital programmers
  • Electronic / Actuators
  • Battery backup / Power supply
  • 230 UA
  • EGB actuator

Lube System
  • Oil pan drain valve
  • Lube ANSI adapter (Emergency connection)

Mounting System
  • Spring type vibration isolator
  • Non-vertically restrained
  • Vertically restrained
  • Isolator

Starting / Charging System
  • Redundant air starters
  • Turbine type air starters
  • Pressure reducing valve
  • Compressed air flex hose

  • Custom Paint Colors

Why Choose Cat® Electric Power?

Caterpillar offers a comprehensive variety of electric power systems, customised to fit your needs. Our specialised systems deliver high power and performance in industries across the globe. With Caterpillar, you get outstanding manufacturing quality, expert support, and the essential tools and applications to complete any project.

Learn More About Electric Power

EMCP 4 Generator Set Controls

Cat generator sets provide a complete factory-built solution with fully featured standard and advanced controls. Optional accessories enhance the capabilities of the genset package-mounted control system.

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Application Center

Explore valuable resources for generator sizing, specification, and training materials. SpecSizer evaluates load types, collects data, and organises it to help you select the generator set that's best for you. Find product comparisons, technical data, product sizing, and more using our technical information portal (TIP) specifically created for consultants, architects, engineers, and owners.

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