Diesel Generator Sets

Cat 3412C Generator Set

Minimum Rating 680 kVA

Maximum Rating 900 kVA

Emissions/Fuel Strategy Low Fuel Consumption

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

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Cat Generator Set Package

Cat generator set packages have been fully prototype testedAccepts 100% block load in one step and meets NFPA 110 loading requirem…

  • 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
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Cat Diesel Engine

Reliable, rugged, durable designField-proven in thousands of applications worldwideFour-stroke-cycle diesel engine combines consis…

  • 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
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SR500 Alternator

Superior motor starting capability minimizes need for oversizing alternatorDesigned to match performance and output characteristic…

  • Superior motor starting capability minimizes need for oversizing alternator
  • Designed to match performance and output characteristics of Cat diesel engines
  • Robust Class H insulation
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EMCP 4 Control Panel

User-friendly interface and navigationScalable system to meet a wide range of installation requirementExpansion modules and site-s…

  • 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
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Cooling System

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

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

EU Declaration of ConformityEU Declaration of IncorporationEurasian Conformity (EAC)

  • EU Declaration of Conformity
  • EU Declaration of Incorporation
  • Eurasian Conformity (EAC)
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One Safe Source

Components used in the generator set are selected based on seamless design integration to provide the optimum performanceThe gener…

  • 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
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World Wide Product Support

Cat dealers have over 1,800 dealer branch stores operating in 200 countriesYour local Cat dealer provides extensive post-sale supp…

  • 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
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Standard Equipment

Air Inlet System
  • Air cleaner, single element canister type with service indicator
Control Panel
  • EMCP 4.2B
  • Customer data link (Modbus RTU)
  • 2 programmable relay outputs (Form C)
  • Features:
  • Voltage adjust
  • Failure to start (overcrank)
  • Volts (L-L & L-N)
  • Reverse power (kW) (32)
  • Accessory module data link
  • Over / under voltage (27 / 59)
  • Speed adjust
  • Low coolant temperature
  • Oil pressure (psi, kPa or bar)
  • Environmental sealed front face
  • Generator temperature monitoring module
  • DC volts
  • Serial annunciator module data link
  • Reverse reactive power (kVAr) (32RV)
  • Amps (per phase & average)
  • High coolant temperature
  • 24-volt DC operation
  • Communications
  • Power Factor (per phase & average)
  • Compatible with the following optional modules:
  • Low coolant level
  • Text alarm / event descriptions
  • Digital I/O module
  • 6 programmable digital inputs
  • Low oil pressure
  • Remote Serial annunciator
  • Engine cycle crank
  • Local annunciator
  • Digital indication for:
  • Over / under Frequency (81 o/u)
  • Generator phase sequence
  • Emergency stop
  • kVAr (per phase, average & percent)
  • Run / Auto / Stop Control
  • Operating hours
  • kVA (per phase, average & percent)
  • Warning / shutdown with common LED indication of shutdowns for:
  • Emergency stop pushbutton
  • Frequency (Hz)
  • coolant temperature
  • Overspeed
  • 4 programmable relay outputs (Form A)
  • kW-hr (total)
  • 2 programmable digital outputs
  • Remote CAN annunciator
  • Overcurrent (50 / 51)
  • kW (per phase, average & percent)
  • RPM
  • Programmable protective relaying functions:
Cooling System
  • Radiator with guard (Sized for 50 degrees C)
  • Coolant level shutdown
  • Coolant drain line with valve, piped to edge of base
  • Fan and belt guards
  • Caterpillar Extended Life Coolant
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
  • 2:1 Volts/Hz
  • Bus bar termination
  • 3-phase sensing
  • Class H insulation
  • Reactive droop
  • VR6 Voltage Regulator
  • SR4B self excited
  • 12 lead
  • Class F temerature rise
Governing System
  • Cat electronic governor
Lube System
  • Oil drain line with valve, piped to edge of base
  • Lubricating oil
  • Oil filter
  • 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
  • Battery with rack, cables
  • Fuel shutoff solenoid
  • 24 volt starting motor
Air Inlet System
  • Heavy duty air cleaners
  • Duel element air cleaners
  • Open element air cleaners
Circuit breakers
  • 1600 Amp, 3 pole, Non-UL, 100% rated, 24 volt DC shunt trip
  • 1250, 1600 Amp, 3 pole, IEC 100% rated, 24 volt DC shunt trip
Control Panel
  • Generator temperature monitoring package
  • EMCP 4.4
  • First local annunicators
  • Vandal proof panel door
  • Remote custom annunicators
  • EMCP 4.3
  • Local discrete I/O package
  • Common alarm / shutdown relay
  • Ground fault relay
  • Generator running VFC
Cooling System
  • Radiator duct flange
  • Jacket water heaters
European Certifications
  • Eurasian conformity (EAC) mark
Exhaust System
  • Through wall installation kit
  • Mufflers
  • Manifold and turbocharger guard
  • Elbow kit
Generator and Attachments
  • Permanent magnet excitation
  • Space heater
  • Digital voltage regulator
  • Oversize and premium generators
Lube System
  • Manual sump pump
Mounting System
  • Fuel tank base (1200 ltr)
Special Tests / Reports
  • PGS test report @ 0.8 power factor
  • PGS test report @ 1.0 power factor
Starting / Charging
  • Oversize batteries
  • Battery chargers
  • Battery disconnect switch
  • Heavy-duty starting system
Governing System
  • Electronic load share

Technical Specifications

  • Generator Set Specifications
    Minimum Rating 680 kVA
    Maximum Rating 900 kVA
    Emissions/Fuel Strategy Low Fuel Consumption
    Voltage 380 to 415 Volts
    Frequency 50 Hz
    Speed 1500 rpm
    Duty Cycle Standby, Prime
  • Engine Model 3412C TA, V-12, 4-Stroke Water-Cooled Diesel
    Bore 5.4 in
    Stroke 6 in
    Displacement 1648.86 in³
    Compression Ratio 13:01
    Aspiration TA
    Fuel System Pump and Lines
    Governor Type ADEM™ A5
  • Length - Maximum 162.4 in
    Width - Minimum 75 in
    Width - Maximum 78.3 in
    Height - Maximum 75 in
    Dry Weight - Genset (minimum) 12039 lb
    Dry Weight - Genset (maximum) 13030 lb

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