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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 680 kVA 680 kVA Less
Maximum Rating 900 kVA 900 kVA Less
Emissions/Fuel Strategy Low Fuel Consumption Low Fuel Consumption Less
Voltage 380 to 415 Volts 380 to 415 Volts Less
Frequency 50 Hz 50 Hz Less
Speed 1500 rpm 1500 rpm Less
Duty Cycle Standby, Prime Standby, Prime Less

Engine Specifications

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

Generator Set Dimensions

Length - Maximum 162.4 in 4125.0 mm Less
Width - Minimum 75.0 in 1906.0 mm Less
Width - Maximum 78.3 in 1989.0 mm Less
Height - Maximum 75.0 in 1906.0 mm Less
Dry Weight - Genset (minimum) 12039.0 lb 5461.0 kg Less
Dry Weight - Genset (maximum) 13030.0 lb 5910.0 kg Less

Cat Generator Set Package

  • Cat generator set packages have been fully prototype tested
  • Accepts 100% block load in one step and meets other 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
  • SR4B 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
  • Certifications

  • EU Certification of Conformance (CE)
  • EEC Declaration of Conformity
  • One Safe Source

  • Components used in the generator set are selected based on seamless design integration to provide the optimum 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 (50 Hz) Standard Equipment

    Air Inlet System
    • Air cleaner, single element canister type with service indicator

    Control Panel
    • EMCP 4.2B
    • Run / Auto / Stop Control
    • Speed adjust
    • Voltage adjust
    • Engine cycle crank
    • Emergency stop pushbutton
    • Features:
    • 24-volt DC operation
    • Environmental sealed front face
    • Text alarm / event descriptions
    • Digital indication 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)
    • kW (per phase, average & percent)
    • kVA (per phase, average & percent)
    • kVAr (per phase, average & percent)
    • kW-hr (total)
    • Warning / shutdown with common LED indication of shutdowns for:
    • Low oil pressure
    • High coolant temperature
    • Overspeed
    • Emergency stop
    • Failure to start (overcrank)
    • Low coolant temperature
    • Low coolant level
    • Programmable protective relaying functions:
    • Generator phase sequence
    • Over / under voltage (27 / 59)
    • Over / under Frequency (81 o/u)
    • Reverse power (kW) (32)
    • Reverse reactive power (kVAr) (32RV)
    • Overcurrent (50 / 51)
    • Communications
    • Customer data link (Modbus RTU)
    • Accessory module data link
    • Serial annunciator module data link
    • 6 programmable digital inputs
    • 4 programmable relay outputs (Form A)
    • 2 programmable relay outputs (Form C)
    • 2 programmable digital outputs
    • 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)
    • Coolant drain line with valve, piped to edge of base
    • Fan and belt guards
    • Caterpillar Extended Life Coolant
    • Coolant level shutdown

    Exhaust System
    • Stainless steel exhaust flex with ANSI style outlet flange, gasket, bolts and mating weld flange, shipped loose

    Fuel System
    • Primary and secondary fuel filters
    • Fuel priming pump
    • Flexible fuel lines terminated on base
    • Water seperator

    Generator and Attachments
    • SR4B self excited
    • Class H insulation
    • Class F temerature rise
    • 12 lead
    • VR6 Voltage Regulator
    • 3-phase sensing
    • 2:1 Volts/Hz
    • Reactive droop
    • Bus bar termination

    Governing System
    • Cat electronic governor

    Lube System
    • Lubricating oil
    • Oil filter
    • Oil drain line with valve, piped to edge of base
    • Fumes disposal, piped to front of radiator

    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

    3412C (50 Hz) Optional Equipment

    Air Inlet System
    • Duel element air cleaners
    • Heavy duty air cleaners
    • Open element air cleaners

    Circuit breakers
    • 1250, 1600 Amp, 3 pole, IEC 100% rated, 24 volt DC shunt trip
    • 1600 Amp, 3 pole, Non-UL, 100% rated, 24 volt DC shunt trip

    Control Panel
    • EMCP 4.3
    • EMCP 4.4
    • Vandal proof panel door
    • Common alarm / shutdown relay
    • Generator running VFC
    • Generator temperature monitoring package
    • Ground fault relay
    • First local annunicators
    • Remote custom annunicators
    • Local discrete I/O package

    Cooling System
    • Radiator duct flange
    • Jacket water heaters

    European Certifications
    • Eurasian conformity (EAC) mark

    Exhaust System
    • Mufflers
    • Elbow kit
    • Through wall installation kit
    • Manifold and turbocharger guard

    Generator and Attachments
    • Permanent magnet excitation
    • Digital voltage regulator
    • Space heater
    • Oversize and premium generators

    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

    Starting / Charging
    • Battery chargers
    • Oversize batteries
    • Battery disconnect switch
    • Heavy-duty starting system

    Governing System
    • Electronic load share

    Application Centre

    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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    EMCP 4 Generator Set Controls

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