/  Power Systems  /  Electric Power  /  Diesel Generator Sets

3412C (60 Hz)

3412C (60)

Overview

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

Specifications

Units: 
Maximum Rating 800 ekW
Minimum Rating 635 ekW
Emissions/Fuel Strategy Low Fuel Consumption
See more

Benefits & Features

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

See more
  October 22, 2025

Specifications

Units: 
Generator Set Specifications
Maximum Rating 800 ekW
Minimum Rating 635 ekW
Emissions/Fuel Strategy Low Fuel Consumption
Voltage 220 to 480 Volts
Frequency 60 Hz
Speed 1800 rpm
Duty Cycle Standby, Prime
Engine Specifications
Engine Model 3412C TA, V-12, 4-Stroke Water-Cooled Diesel
Bore —
Stroke —
Displacement —
Compression Ratio 13:00:01
Aspiration TA
Fuel System Pump and Lines
Governor Type ADEM™ A5
Generator Set Dimensions
Length - Maximum —
Width - Maximum —
Height - Maximum —
Dry Weight - Genset (minimum) —
Dry Weight - Genset (maximum) —

Benefits & Features

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

Certifications

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

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 Leads
    • 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
  • General
    • Paint - Caterpillar yellow except rails and radiators gloss black

Optional Equipment

  • Air Inlet System
    • Air cleaner - Dual element
    • Air cleaner - Heavy element
    • Air cleaner - single element
  • Certificates
    • EU Certification
  • Circuit breakers
    • 4 Pole Circuit breakerswith shunt trip
    • 3 Pole Circuit breakers with shunt trip
    • Power terminal strip
  • 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 guards
    • 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 set
    • Battery chargers
    • Heavy duty starting system
    • Battery disconnect switch
    • Battery removal
  • Enclosures
    • DC lighting package
    • Weather protective enclosure (WP)
    • Sound attenuated enclosure (SA)

View 360