3412C (60 Hz)

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

Generator Set Specifications

  • Minimum Rating 635 ekW 635 ekW
  • Maximum Rating 800 ekW 800 ekW
  • Emissions/Fuel Strategy Low Fuel Consumption Low Fuel Consumption
  • Voltage 220 to 480 Volts 220 to 480 Volts
  • Frequency 60 Hz 60 Hz
  • Speed 1800 rpm 1800 rpm
  • Duty Cycle Standby, Prime Standby, Prime

Engine Specifications

  • Engine Model 3412C TA, V-12, 4-Stroke Water-Cooled Diesel 3412C TA, V-12, 4-Stroke Water-Cooled Diesel
  • Bore 5.4 in 137.2 mm
  • Stroke 6.0 in 152.4 mm
  • Displacement 1648.86 in³ 27.02 l
  • Compression Ratio 13:00:01 13:00:01
  • Aspiration TA TA
  • Fuel System Pump and Lines Pump and Lines
  • Governor Type ADEM™ A5 ADEM™ A5

Generator Set Dimensions

  • Length - Maximum 162.4 in 4125.0 mm
  • Width - Maximum 78.3 in 1989.0 mm
  • Height - Maximum 75.0 in 1906.0 mm
  • Dry Weight - Genset (minimum) 5761.0 lb 12700.0 kg
  • Dry Weight - Genset (maximum) 13275.0 lb 6021.0 kg

Cat Generator Set Package

  • Cat generator set packages have been fully prototype tested
  • Accepts 100% block load in one step and meets NFPA 110 loading requirements
  • Conform to ISO 8528-5 steady state and transient response requirements

Cat Diesel Engine

  • 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

SR500 Alternator

  • Superior motor starting capability minimizes need for oversizing alternator
  • Designed to match performance and output characteristics of Cat diesel engines
  • Robust Class H insulation

EMCP 4 Control Panel

  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement
  • Expansion modules and site-specific programming for specific customer requirements

Cooling System

  • Designed to operate in standard ambient temperatures up to 50°C (122°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities


One Safe Source

  • Components used in the generator set are selected at the design stage to provide optimum package performance
  • The generator set is fully assembled at a Caterpillar facility following our quality guidelines
  • Each generator set package is tested before leaving the Caterpillar facility
  • Cat product support, including dealer service, parts and warranty covers the entire Cat power system

World Wide Product Support

  • Cat dealers have over 1,800 dealer branch stores operating in 200 countries
  • Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements

3412C (60 Hz) Standard Equipment

Air Inlet System

  • Air cleaner, single element canister type
  • Single element canister type

Control Panel

  • High coolant temperature
  • Customer data link (Modbus RTU)
  • Low coolant temperature
  • Low coolant level
  • Communications:
  • Run / Auto / stop Control
  • Engine Cycle Crank
  • Generator temperature monitoring module
  • Power Factor (per phase & average)
  • Remote CAN annunciator
  • Serial annunciator module data link
  • DC volts
  • Frequency (Hz)
  • Operating hours.
  • Emergency stop pushbutton
  • Digital I/O module
  • Local annunciator
  • Low Oil pressure
  • Oil pressure (psi, kPa or bar).
  • Emergency stop
  • Warning shutdowns:
  • Volts (L-L & L-N)
  • Remote Serial annunciator
  • Speed Adjust
  • Amps (per phase & average)
  • Voltage Adjust
  • EMCP 4.2B
  • Overspeed
  • coolant temperature
  • Digital Indicator for:
  • RPM
  • Accessory module data link
  • Failure to start (overcrank)
  • Controls:
  • Compatible with the following optional modules:

Cooling System

  • Caterpillar extended life coolant
  • Radiator with guard (sized for 50 degrees C)
  • Fan and belt guards
  • Coolant drain line with valve

Exhaust System

  • Stainless steel exhaust flex with ANSI style outlet flange

Fuel System

  • Primary and secondary fuel filters
  • Fuel priming pump
  • Water separator

Generator and Attachments

  • 3 Phase sensing
  • SR4B self excited
  • Class F temperature rise
  • VR6B Voltage Regulator
  • Busbar termination
  • 12 Lead
  • Class H insulation
  • 2:1 Volts / Hz
  • Reactive droop

Governing System

  • Cat electronic governor

Lube System

  • Oil drain line with valve
  • Lubricating oil
  • Oil filter

Mounting System

  • Base, formed steel with linear vibration isolators between base and engine-generator

Starting / Charging System

  • Battery with rack, cables
  • 45 Amp charging alternator
  • Fuel shutoff solenoid
  • 24 Volt starting motor


  • Paint - Caterpillar Yellow except rails and radiators gloss black

3412C (60 Hz) Optional Equipment

Air Inlet System

  • Air cleaner - dual element
  • Air cleaner - heavy element
  • Air cleaner - single element


  • EU Certification

Circuit Breakers

  • 4 Pole circuit breakerswith shunt trip
  • 3 Pole Circuit Breakers with shunt trip
  • Power terminal strips

Control Panel

  • EMCP 4.3, EMCP 4.4
  • Temperature monitoring package
  • Vandal proof panel door
  • Generator running VFC
  • Earth leakage ground fault relay
  • Common alarm / shutdown relay

Cooling System

  • Jacket water heater
  • Radiator duct flange
  • Radiator removal

Exhaust System

  • Muffler 10 dBA attenuation
  • Manifold and turbocharger guard
  • Muffler 35 dBA attenuation
  • Elbow mounting kit
  • Through wall installation kit

Fuel System

  • Manual Fuel transfer pump
  • Automatic fuel transfer system

Generator and Attachments

  • Internal excitation (IE)
  • Anti-condensation heater
  • Permanent magnet excitation (PMG)
  • Oversize and premium generators

Governing System

  • Electronic load share

Lube System

  • Manual sump pump

Mounting System

  • Fuel tank base (1200 Ltr)

Special Tests / Reports

  • PGS test report @ 1.0 power factor
  • PGS test report @ 0.8 power factor
  • Factory witness test

Starting / Charging system

  • Oversize battery
  • Battery chargers
  • Heavy duty starting system
  • Battery disconnect switch
  • Battery removal


  • DC Lighting package
  • Weather protective enclosure (WP)
  • Sound attenuated enclosure (SA)

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