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 Rating 890 ekW
Maximum Rating 1250 ekW
Emissions/Fuel Strategy Low Fuel Consumption
Voltage 380 to 13800 Volts
Frequency 60 Hz
Speed 1800 rpm
Duty Cycle Standby, Mission Critical, Prime, Continuous

Engine Specifications

Engine Model 3512 TA, V-12, 4-Stroke Water-Cooled Diesel
Bore 6.69in
Stroke 7.48in
Displacement 3161.03in³
Compression Ratio 13.5:1
Aspiration TA
Fuel System Direct Unit Injection
Governor Type Woodward

Generator Set Dimensions

Length - Minimum 214.8in
Length - Maximum 218.8in
Width - Maximum 77.8in
Height - Maximum 93.2in
Dry Weight - Genset (minimum) 22210lb
Dry Weight - Genset (maximum) 22650lb

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

Optional Equipment

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