3612 Generator Set (Medium Speed)

Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

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Key Specs

Maximum Rating 4850 kVA
Minimum Rating 4400 kVA
Emissions/Fuel Strategy Low Fuel Consumption

Photos

Benefits

Over 200,000,000

Operating hours

at Global locations

Up to 10%

Better Fuel Economy

Demonstrated savings

Over 20%

Reduction in Service Time

Two inspection ports per cylinder, segmented camshafts and individual heads ease service

Specifications
Benefits and Features
Standard/Optional Features

Generator Set Specifications

Maximum Rating	4850 kVA
Minimum Rating	4400 kVA
Emissions/Fuel Strategy	Low Fuel Consumption
Frequency	50 Hz
Speed	750 & 1000 rpm
Duty Cycle	Prime, Continuous

Engine Specifications

Engine Model	3612 V-12,4-Stroke Water-Cooled Diesel
Bore	11in
Stroke	11.8in
Displacement	13524in³
Compression Ratio	13:01
Aspiration	TA
Fuel System	Direct unit injection
Governor Type	Generator Set Monitoring System (GMS)

Generator Set Dimensions

Length - Maximum	404in
Width - Maximum	99.62in
Height - Maximum	156.6in
Dry Weight - Genset (maximum)	112690lb

Cat® Diesel Engine

Designed and optimized for low fuel consumption
Reliable, rugged, durable design
Field-proven in thousands of applications worldwide
Four-stroke-cycle diesel engine combines consistent performance and excellent fuel economy with minimum weight

Alternators

Superior motor starting capability minimizes need for oversizing generator
Designed to match performance and output characteristics of Cat diesel engines
Industry leading mechanical and electrical design
Industry leading motor starting capabilities
High Efficiency

Generator Set Package

Fully prototype tested with certified torsional vibration analysis available

Worldwide Product Support

Cat dealers have over 1,800 dealer branch stores operating in 200 countries
The Caterpillar S.O.S. program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products.
Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements

Cat Genset Monitoring System (GMS)

Simple user friendly interface and navigation
Provides protection, monitoring, and control of the generator set
Redundant shutdown protection
5.7 inch (145 mm) color monitor to display all engine parameters and alarm annunciation
Annunciation of all engine shutdowns, alarms, and status points
Start/prelube control switch, fuel control switch and emergency stop button
Selection of local/remote control of engine
Selection of idle/rated control of engine
Equipped for remote communication from the panel
Relay outputs available: energize to run, energize to stop, air shutoff, prelube, air start and local remote
Optional output available for alarms and faults

Standard Equipment

Air Inlet System

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

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

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Cooling System

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

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

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

Mounting System

Damper, torsional vibration
Engine and generator mounting

Starting / Charging System

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

General:

Paint, Caterpillar yellow
Gear driven pumps: Fuel/oil/jacket water/Aftercooler/Oil cooler water

Optional Equipment