3512C Generator Set

3512C Generator Set

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

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Generator Set Specifications

Maximum Rating
1500 ekW
Minimum Rating
1230 ekW
Emissions/Fuel Strategy
U.S. EPA Certified
380 to 13800 Volts
60 Hz
1800 rpm
Duty Cycle
Standby, Mission Critical, Prime, Continuous

Engine Specifications

Engine Model
3512C ATAAC, V-12, 4-Stroke Water-Cooled Diesel
Compression Ratio
Fuel System
Electronic unit injection
Governor Type

Generator Set Dimensions

Length - Maximum
Width - Maximum
Height - Maximum
Dry Weight - Genset (maximum)

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

SR5 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


  • UL 2200 Listed
  • CSA
  • IBC seismic certification
  • OSHPD pre-approval

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:

Optional Equipment:

    Control Panels
    • EMCP 4.3, EMCP 4.4
    • Exhaust mufflers
    Air Inlet System
    • Heavy duty air cleaner
    • Single element filter
    • Permanent magnet excitation (PMG)
    • Oversize and premium generators
    • Internal excitation (IE)
    • Anti-condensation heater
    Cooling System
    • Coolant
    • Standard installed ATAAC radiators
    • Optional installed ATAAC radiators
    • Optional installed radiators
    • Water level switch gauges
    • Standard installed radiators
    Power Termination
    • Circuit breakers, IEC compliant
    • Circuit breakers, UL listed
    Exhaust System
    • Flanges
    • Flange and exhaust expanders
    • Y Adapters
    • Flexible fittings
    • Elbows
    • Mufflers
    Fuel System
    • Primary fuel filter
    • US aid emblem
    • IBC isolators
    • Rubber anti-vibration mounts
    • Spring-type vibration isolator
    Generators And Attachments
    • Differential current transformers (DCT) 15 kV class
    • RW, IE, 6 leads, Pitch 0.6667
    • Differential current transformers (DCT) 8.7 kV class
    • 1400, 1600, 2700 Frames
    • Space heater
    • Generator air cleaner
    • Generator conversion from IE to PM
    • Low Voltage: 380,440 / 480 Volts, 3 Phase, 1800 rpm
    • Jacket water heater
    • Air starting motor with control and silencer
    • Battery chargers
    • Charging alternator
    • Heavy-duty starting system
    • Oversize batteries
    • Wiring GP W/O cyl sensors
    • Pyrometer and thermocouples
    Lube System
    • Prelube pumps
    • Oil level regulator
    • Oil drains
    • Lubrication oil in standard sump
    Crankcase Protection
    • No explosion relief valves
    • No crankcase explosion relief valve
    • Explosion relief valve
    • Crankcase ventilation system
    Mounting System
    • Puck style low efficiency isolators
    • IBC vibration isolators
    • Spring type vibration isolators
    Power Connections
    • Cable entry - Right side
    • Center post buss bar
    • Rear power connections
    • Right side power connections
    • 2000, 2500,3200 Amp, 3 Pole, IEC Rated Circuit Breakers
    • 1600 ,2000, 2500, 3000, 4000 Amp, 3 Pole, UL-100% rated circuit breakers
    • Left side power connections
    • Six lead, six terminal option
    • 2000, 2500 Amp, 4 Pole, IEC Rated Circuit Breakers
    • Neutral ground connections
    • Grounding groups
    Special Tests / Reports
    • Standard engine test charge
    • PGS test report @ 1.0 power factor
    • CSA certification
    • IBC seismic certification
    • Fuel consumption test
    • Torsional vibration analysis
    • Generator test report
    • Generator fuel consumption test
    • PGS test report @ 0.8 power factor
    Starting / Charging System
    • 10 Amp battery charger
    • 24 Volt battery set - Dry
    • Engine barring device
    • 35 Amp battery charger
    • Air starting motor
    • Air pressure regulator
    • Batteries, racks and cables:
    • Jacket water heaters
    • Electric starting motors
    • Starter covers