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 591 ekW 591 ekW
  • Maximum Rating 800 ekW 800 ekW
  • Emissions/Fuel Strategy Low Fuel Consumption Low Fuel Consumption
  • Voltage 208 to 600 Volts 208 to 600 Volts
  • Frequency 60 Hz 60 Hz
  • Speed 1800 rpm 1800 rpm

Engine Specifications

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


  • Length - Maximum 162.4 in 4125.0 mm
  • Width - Maximum 78.3 in 1989.0 mm
  • Height - Maximum 75.0 in 1906.0 mm

Design Criteria

The generator set accepts 100% rated load in one step per NFPA 110 and meets ISO 8528-5 transient response.

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
  • Generator

  • Matched to the performance and output characteristics of Cat engines
  • Industry leading mechanical and electrical design
  • Industry leading motor starting capabilities
  • High Efficiency
  • Cat EMCP Control Panel

    The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4 systems can be further customized to meet your needs through programming and expansion modules.

    Single-Source Supplier

    Fully prototype tested with certified torsional vibration analysis available

    World Wide Product Support

    Cat dealers provide extensive post-sale support including maintenance and repair agreements. 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

    UL 2200 / CSA - Optional

  • UL 2200 listed packages
  • CSA Certified
  • Certain restrictions may apply.
  • Consult with your Cat® Dealer.
  • 3412C (60 Hz) Standard Equipment

    Air Inlet System

    • Air cleaner, single element canister type

    Control Panel

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

    Cooling System

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

    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

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

    Governing System

    • Cat electronic governor

    Lube System

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

    Mounting System

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

    Starting / Charging System

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


    • 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 - open element


    • EU Certification

    Circuit Breakers

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

    Control Panel

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

    Cooling System

    • Radiator duct flange
    • Jacket water heater
    • Radiator removal

    Exhaust System

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

    Fuel System

    • Manual Fuel transfer pump
    • Automatic fuel transfer system

    Generator and Attachments

    • Anti-condensation heater
    • Internal excitation (IE)
    • 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

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


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

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