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

Standby Rating
1500 ekW
Prime Power Rating
1360 ekW
Emissions/Fuel Strategy
U.S. EPA Certified
380 to 13800 Volts
60 Hz
1800 rpm
Duty Cycle
Standby, Mission Critical, Prime, Continuous
Maximum Rating
1500 ekW
Minimum Rating
1230 ekW

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 isolators
    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 valves
    • Explosion relief valves
    • 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 cover