3512 Generator Set

3512 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
1400/1250 kVA
Prime Power Rating
1275/1150 kVA
Emissions/Fuel Strategy
Low Fuel Consumption
380 to 415 Volts
50 Hz
1500 rpm
Duty Cycle
Standby, Mission Critical, Prime, Continuous
Maximum Rating
1400 kVA
Minimum Rating
1000 kVA

Engine Specifications

Engine Model
3512 TA, V-12, 4-Stroke Water-Cooled Diesel
Compression Ratio
Fuel System
Direct Unit Injection
Governor Type

Generator Set Dimensions

Length - Minimum
Length - Maximum
Width - Maximum
Height - Maximum
Dry Weight - Genset (minimum)
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


  • Telecom Lab of China (TLC)
  • EU Declaration of Conformity
  • EU Declaration of Incorporation
  • Eurasian Conformity

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

Worldwide 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:

    Air Inlet System
    • Remote air inlet adaptors
    • Air inlet protection
    • Dual element air cleaners
    Circuit Breakers
    • EMAX Circuit breakers
    • Center posts busbars
    • EMAX breakers connections
    • Breaker harnesses
    • 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated Circuit breakers
    • Controls packaging - Enclosures
    • Cable entry options
    • 2000, 2500, 3200 and 4000 Amp, 3 pole, IEC rated Circuit breakers
    • Optional busbar power connections
    • Busbar connections
    Control Panel
    • Auxiliary boxes
    • Customer connection mounting locations
    • Ground (Automatically selected)
    • Vandle proof panel door
    • Customer Interface options
    • Mounting group - External box clips
    • Remote speed adjust
    • Generator temperature monitoring
    • Governors
    • Annunciator Modules
    • Local PC monitoring
    Cooling System
    • Water level switch gauges
    • Heat exchangers
    • Optional radiator arrangements
    European Certifications
    • EU Declaration of Conformity
    • Eurasian Conformity (EAC) mark
    • European Directive genset, DoI (Declaration of Incorporation)
    • European Union Certification
    Exhaust System
    • Through-wall installation kit
    • Muffler mounting kits
    • Mufflers
    • Flexible fittings
    Fuel System
    • Primary fuel filter
    Generators And Attachments
    • 380 / 400 / 415 Volts @ 50 Hz, 3 phase, Form wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
    • 380/400/415volts @ 50 Hz, 3 phase, random wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
    • Generator conversion
    • 380/400/415volts @ 50 Hz, 3 phase, random wound, Internal excitation (IE), No. of leads = 6, pitch= 0.6667
    • Space heater
    • Pyrometer and thermocouples
    Lube System
    • Electric prelube pumps
    • Oil level reg-1 shallow pan
    • Manual prelube sump pumps
    Mounting System
    • Spring type vibration isolators
    • IBC vibration isolators
    Protection System
    • Explosion relief valves
    Special Tests / Reports
    • Neutral grounding connection
    • IBC seismic Certifications
    • Neutral ground-LV
    • PGS Test report @ 1.0 power factor
    • PGS Test report @ 0.8 power factor
    Starting / Charging Systems
    • Ether starting aid
    • 24 Volt dual electric starting motor
    • 20 Amp Battery charger
    • Oversize battery set
    • Jacket water heaters
    • 10 Amp Battery chargers
    • Engine barring group