New | 3412C Generator Set

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

Generator Set Specifications
Minimum Rating680 kVA
Maximum Rating900 kVA
Emissions/Fuel StrategyLow Fuel Consumption
Voltage380 to 415 Volts
Frequency50 Hz
Speed1500 rpm
Duty CycleStandby, Prime
Engine Specifications
Engine Model3412C TA, V-12, 4-Stroke Water-Cooled Diesel
Bore5.4 in
Stroke6 in
Displacement1648.86 in³
Compression Ratio13:01
AspirationTA
Fuel SystemPump and Lines
Governor TypeADEM™ A5
Generator Set Dimensions
Length - Maximum162.4 in
Width - Minimum75 in
Width - Maximum78.3 in
Height - Maximum75 in
Dry Weight - Genset (minimum)12039 lb
Dry Weight - Genset (maximum)13030 lb

  • 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

  • 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

  • superior Motor Starting Capability Minimizes Need For Oversizing Alternator
  • designed To Match Performance And Output Characteristics Of Cat Diesel Engines
  • robust Class H Insulation

  • 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

  • designed To Operate In Standard Ambient Temperatures Up To 50°c (122°f)
  • contact Your Cat Dealer For Specific Ambient And Altitude Capabilities

  • eu Declaration Of Conformity
  • eu Declaration Of Incorporation
  • eurasian Conformity (eac)

  • 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

  • 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

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

Optional Equipment

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

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With only a few days notice, we were able to get the emergency system working properly. Hawthorne Cat provided great leadership and excellent field support.
Mark Cripe
Helix Electric
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