New | 3512 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 Rating890 ekW
Maximum Rating1250 ekW
Emissions/Fuel StrategyLow Fuel Consumption
Voltage380 to 13800 Volts
Frequency60 Hz
Speed1800 rpm
Duty CycleStandby, Mission Critical, Prime, Continuous
Engine Specifications
Engine Model3512 TA, V-12, 4-Stroke Water-Cooled Diesel
Bore6.69 in
Stroke7.48 in
Displacement3161.03 in³
Compression Ratio13.5:1
AspirationTA
Fuel SystemDirect Unit Injection
Governor TypeWoodward
Generator Set Dimensions
Length - Minimum214.8 in
Length - Maximum218.8 in
Width - Maximum77.8 in
Height - Maximum93.2 in
Dry Weight - Genset (minimum)22210 lb
Dry Weight - Genset (maximum)22650 lb

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
  • Certifications

  • IBC Seismic Certification
  • EU Declaration of Conformity
  • 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
  • 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 with service indicator
    Air Inlet
    • Air Cleaner
    Cooling
    • Radiator fan and fan drive
    • JWAC.
    Exhaust
    • Dry Exhaust Manifold
    • Exhaust flange outlet
    Fuel
    • Fuel priming pump
    • Secondary fuel filter
    • Primary fuel filter with integral water separator
    • Fuel cooler; not included with packages without radiator
    • Secondary fuel filters
    Generator
    • Matched to the performance and output characteristics of Cat engines
    • IP23 Protection
    Power Termination
    • Bus Bar
    Control Panel
    • kVAr-hr (total)
    • kVAr (per phase, average & percent)
    • Auto/start/stop control
    • Warning / shutdown with common LED indication of shutdowns for:
    • Digital indication for:
    • 2 programmable relay outputs (Form C)
    • Engine cycle crank
    • Oil pressure (psi, kPa or bar)
    • Serial annunciator module data link
    • Accessory module data link
    • Low oil pressure
    • 24-volt DC operation
    • DC volts
    • Overcurrent (50 / 51)
    • Communications:
    • kW (per phase, average & percent)
    • Engine cool-down timer
    • Controls:
    • Amps (per phase & average)
    • Over / under voltage (27 / 59)
    • Generator phase sequence
    • Volts (L-L & L-N), frequency (Hz)
    • 2 programmable digital outputs
    • kVA (per phase, average & percent)
    • Low coolant temperature
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • High coolant temperature
    • Over / under frequency (81 o / u)
    • Reverse Reactive Power (kVAr) (32RV)
    • Environmental sealed front face
    • Features include:
    • Text alarm / event descriptions
    • Low coolant level
    • Programmable protective relaying functions:
    • Overspeed
    • Operating hours
    • Power factor (per phase & average)
    • 6 programmable digital inputs
    • RPM
    • EMCP 4.2
    • Customer data link (Modbus RTU)
    • Emergency stop
    • Coolant temperature
    • Emergency stop pushbutton
    • Generator mounted - rear facing
    • kW-hr (total)
    • Reverse Power (kW) (32)
    • Lamp test
    • Alarm acknowledge
    • Failure to start (overcrank)
    • 4 programmable relay outputs (Form A)
    • Generator phase sequence
    • Reactive droop capability
    • Exciter diode monitor
    • kVAr (per phase, average & percent)
    • Emergency stop
    • kVAr-hr (total)
    • kW-hr (total)
    • Over / Under frequency (81 o/u)
    • EMCP 4 Genset Controller
    • Digital indication for:
    • RFI suppression
    • IVR includes:
    • Speed adjust
    • Operating hours
    • RPM
    • Controls:
    • Generator mounted - rear facing
    • KVAR/PF modes
    • Overspeed
    • Volts (L-L & L-N)
    • Package mounted radiator (except C175)
    • DC volts
    • Min / max exciter limiter
    • Oil pressure (psi, kPa or bar)
    • Alarm acknowledge
    • Customizable screens
    • Auto / start / stop control
    • Low oil pressure
    • Power Factor (per phase & average)
    • Coolant temperature
    • PLC functionality
    • Amps (per phase & average)
    • Frequency (Hz)
    • kW (per phase, average & percent)
    • Failure to start (overcrank)
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • Text alarm / event descriptions
    • Low coolant level
    • Warning/shutdown with common LED indication of shutdowns for:
    • High coolant temperature
    • 3 Phase voltage sensing
    • Low coolant temperature
    • Generator set packages include Caterpillar' s Voltage Regulator (IVR)
    • Engine cool-down timer
    • kVA (per phase, average & percent)
    • 24 Volt DC operation
    • Reverse Power (kW) (32)
    • Over / Under voltage (27/59)
    • EMCP4.2 controller including:
    • Environmental sealed front face
    • Engine cycle crank
    • Programmable protective relaying functions:
    • Lamp test
    • Load histogram feature
    Cooling System
    • Caterpillar Extended Life Coolant
    • Coolant level sensors
    • Fan and belt guards
    • JWAC
    • Radiator fan and fan drive
    • Coolant drain line with valve
    Exhaust System
    • Exhaust flange outlet(s)
    • Dry Exhaust Manifold.
    Fuel System
    • Fuel priming pump
    • Fuel cooler; not included with packages without radiator
    • Flexible fuel lines - shipped loose
    • Secondary fuel filters
    Generators and Attachments
    • LV:
    • Winding temperature detectors
    • Busbar connections, top center mounted, top cable entry. 50 Hz models: IEC standard hole pattern
    • NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime/150C standby)
    • Internal Excitation
    • 1800 frames are form wound, permanent magnet, with winding temperature detectors
    • CDVR includes reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, min/max exciter. Limiter and exciter diode monitor
    • 3 phase brushless, salient pole
    • Generator set packages include Caterpillar's Digital Voltage Regulator (CDVR)
    • 6 lead
    • Random wound
    Governing System
    • Woodward 2301A isochronous governor
    Lube System
    • Integral lube oil cooler
    • Oil filter, filler and dipstick
    • Oil drain lines and valve
    • Fumes disposal
    • Lubricating oil.
    • Gear type lube oil pump.
    Mounting System
    • Rubber anti-vibration mounts (shipped loos
    • Rails - engine/generator/radiator mounting
    Starting / Charging System
    • Battery and battery rack w/cables
    • 24-volt electric starting motor
    • Battery disconnect switch
    Generator and Attachments
    • LV:
    • Random wound
    • 3 phase brushless, salient pole
    • 6 lead
    General
    • SAE Standard Rotation
    • Flywheel and Flywheel housing-SAE No. 00
    • Right hand servicing
    • Caterpillar Yellow with high gloss black rails & radiator
    • Paint - Caterpillar Yellow except rails and radiators gloss black

    Optional Equipment

    Exhaust
    • Exhaust mufflers
    Air Inlet System
    • Air inlet protection
    • Remote air inlet adapters
    • Air cleaner - Dual element
    Generator
    • Internal excitation (IE)
    • Anti-condensation heater
    • Permanent magnet excitation (PMG)
    • Oversize and premium generators
    Circuit Breakers
    • EMAX breaker connections
    • Optional busbar power connections
    • Busbar connections
    • Cable entry options
    • Low voltage, IEC standard hole
    • EMAX breakers
    • Breaker harnesses
    • Enclosures - control packaging
    Power Termination
    • Circuit breakers, IEC compliant
    • Circuit breakers, UL listed
    Control Panels
    • Customer interface options
    • Auxiliary box
    • EMCP 4.3, EMCP 4.4
    • Mounting group - External box clips
    • Generator temperature monitoring
    • Annunciator modules
    • Governors
    Cooling System
    • Heat exchangers
    • Water level switch gauges
    • 3512 MUI 1500 Radiators PGS
    Mounting
    • Rubber anti-vibration mounts
    • Spring-type vibration isolator
    • IBC isolators
    Certificates
    • European union certification
    • EU declaration of conformity
    • European directive genset DOI
    • Eurasian conformity (EAC) mark
    Starting/Charging
    • Charging alternator
    • Heavy-duty starting system
    • Battery chargers
    • Jacket water heater
    • Oversize batteries
    • Air starting motor with control and silencer
    Exhaust System
    • Flexible fittings
    • Through wall installation kit
    • Mufflers
    Fuel System
    • Primary fuel filter
    Generators and Attachments
    • Space heater kt
    • Generator conversions - IE and PM
    Instrumentation
    • Pyrometers
    Lube System
    • Electric prelube pumps
    • Oil level reg-1 shallow pan
    • Manual prelube sump pumps
    Mounting System
    • Vibration Isolator options
    Protection System
    • Explosion relief valves
    Special Tests / Reports
    • PGS test report @ 0.8 power factor
    • Neutral grounding connection
    • PGS test report @ 1.0 power factor
    • IBC seismic certification
    • Neutral ground - LV
    Starting / Charging System
    • Battery chargers (10 and 20 amp)
    • Battery sets - 24 Volt, dry
    • Electric starting motors - Duel 24 Volt
    • Starting aids
    • Charging alternators
    • Jacket water heaters
    General
    • Engine barring group - installed
    • CSA Certification
    • EEC Declaration of Conformity
    • Integral & sub-base UL listed dual wall fuel tanks
    • UL 2200 package
    • Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
    • Automatic transfer switches (ATS)
    • Integral & sub-base fuel tanks
    • Enclosures: sound attenuated, weather protective
    • EU Certificate of Conformance (CE)
    • The following options are based on regional and product configuration:

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    Helix Electric
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