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Diesel Generator Sets

3512C Generator Set

Bore 6.69 in
Displacement 3574 in3
Stroke 8.46 in
Aspiration TA

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

Engine Specifications

Bore
6.69in
Displacement
3574in3
Stroke
8.46in
Aspiration
TA
Fuel System
Electronic unit injection
Engine Model
3512C ATAAC, V-12, 4-Stroke Water-Cooled Diesel
Compression Ratio
14.7:1
Governor Type
Adem™3
Aspiration
TA
Fuel System
Electronic unit injection
Bore
6.69in
Displacement
3574in³
Stroke
8.46in
Fuel System
8.46in

Generator Set Specifications

Minimum Rating
1750 ekW
Maximum Rating
1750 ekW
Voltage
380 to 13800 Volts
Frequency
60 Hz
Speed
1800 rpm
Emissions/Fuel Strategy
U.S. EPA Cert., Tier 2
Width - Minimum
89.8
Duty Cycle
Standby, Mission Critical

Generator Set Dimensions

Height - Maximum
110in
Length - Maximum
262.9in
Width - Maximum
89.8in
Dry Weight - Genset (maximum)
32660lb

Standard Equipment:

  • Air Inlet System
    • Air cleaner; single element canister type with service indicator
  • Cooling
    • Package mounted radiator
  • Exhaust
    • Exhaust flange outlet
  • Fuel
    • Primary fuel filter with integral water separator
    • Fuel priming pump
    • Secondary fuel filter
  • Generator
    • Matched to the performance and output characteristics of Cat engines
    • IP23 Protection
  • Power Termination
    • Busbar
  • Control Panel
    • EMCP 4 Genset Controller
  • Control System
    • Generator set packages include Caterpillar' s Voltage Regulator (IVR). IVR includes reactive droop capability, 3-phase voltage sensing, KVAR / PF modes, RFI suppression, min/max exciter. Limiter and exciter diode monitor
    • Emergency stop pushbutton
    • Oil pressure (psi, kPa or bar)
    • 1 Programmable digital outputs
    • Accessory module data link
    • 4 Programmable relay outputs (Form A)
    • kVAr-hr (total)
    • Reverse power (kW) (32)
    • kVAr (per phase, average & percent)
    • Amps (per phase & average)
    • Over / under frequency (81 o/u)
    • EMCP 4.2B
    • PLC functionality
    • 1 Programmable relay outputs (Form C)
    • Programmable protective relaying functions:
    • RPM
    • Frequency (Hz)
    • Low coolant level
    • Number of I/O varies on options selected
    • Lamp test
    • kVA (per phase, average & percent)
    • Emergency stop
    • kW (per phase, average & percent)
    • Engine cool-down timer
    • Speed adjust
    • Generator phase sequence
    • Over / under voltage (27/59)
    • Warning/shutdown with common LED indication of shutdowns for:
    • Customer data link (Modbus RTU)
    • Volts (L-L & L-N)
    • High coolant temperature
    • Engine cycle crank
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • Low coolant temperature
    • Low oil pressure
    • Cat Connect
    • Digital indication for:
    • Communications
    • Environmental sealed front face
    • Reverse reactive power (kVAr) (32RV)
    • 24 Volt DC operation
    • Power Factor (per phase & average)
    • Overspeed
    • Auto / start / stop control
    • Load histogram feature
    • Controls:
    • Failure to start (overcrank)
    • Customizable screens
    • kW-hr (total)
    • Text alarm / event descriptions
    • Alarm acknowledge
    • Overcurrent (50/51)
    • Generator mounted - rear facing
    • Coolant temperature
    • DC volts
  • Governing System
    • ADEM III
  • Cooling System
    • SCAC
    • Fan and belt guards
    • Caterpillar extended life coolant (Not included with packages without radiator, installed SF44CTS
    • Coolant level sensors (Not included with packages without radiator)
    • Radiator fan and fan drive
    • Coolant drain line with valve
  • Exhaust System
    • Flanged faced outlet(s)
    • Dry exhaust manifold
  • Fuel System
    • Secondary fuel filters
    • Fuel priming pump
    • Fuel cooler; not included with packages without radiator
    • Flexible fuel lines - shipped loose
  • Generators And Attachments
    • Random wound
    • Permanent magnet
    • High voltage
    • Six lead
    • NEMA standard hole pattern
    • NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime / 150C standby)
    • NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime/150C standby)
    • Class H insulation, Class F temperature rise at 40C ambient (105C prime/130C standby)
    • NEMA standard hole pattern
    • Winding temperature detectors
    • NEMA standard hole pattern
    • Internal excitation
    • Form wound
    • 3 Phase brushless, salient pole
    • Bus bar connections, right side extension box, bottom cable entry
    • Low voltage:
    • Busbar connections, top center mounted, top cable entry
    • Medium voltage:
  • Literature
    • English
  • Lube System
    • Oil drain lines and valve
    • Lubricating oil
    • Oil filter, filler and dipstick
    • Fumes disposal
    • Gear type lube oil pump
    • Integral lube oil cooler
  • Mounting System
    • Rubber anti-vibration mounts (shipped loose)
  • Starting / Charging System
    • Battery and battery rack w/cables
    • 45 Amp charging alternator
    • 24 Volt electric starting motor
    • Battery disconnect switch
  • General
    • Paint - Caterpillar Yellow except rails and radiators gloss black
    • SAE Standard Rotation
    • Right hand servicing
    • Flywheel and Flywheel housing-SAE No. 00
    • Paint: Caterpillar yellow with high gloss black rails & radiator

Optional Equipment:

  • Control Panels
    • Digital I/O module
    • EMCP 4.3, EMCP 4.4
    • Load share module
    • Remote monitoring software
    • Generator temperature monitoring & protection
  • Exhaust
    • Exhaust mufflers
  • Air Inlet System
    • Heavy duty air cleaner
    • Single element filter
  • Generator
    • Permanent magnet excitation (PMG)
    • Anti-condensation heater
    • Internal excitation (IE)
    • Oversize and premium generators
  • Power Termination
    • Circuit breakers, IEC compliant
    • Circuit breakers, UL listed
  • Cooling System
    • Standard installed radiators
    • Standard installed ATAAC radiators
    • Optional installed ATAAC radiators
    • Water level switch gauges
    • Coolant
    • Optional installed radiators
  • Exhaust System
    • Flanges
    • Flange and exhaust expanders
    • Flexible fittings
    • Elbows
    • Y Adapters
    • Mufflers
  • Fuel System
    • Primary fuel filter
  • Starting/charging
    • Heavy-duty starting system
    • Charging alternator
    • Battery chargers
    • Oversize batteries
    • Air starting motor with control and silencer
    • Jacket water heater
  • Generators And Attachments
    • 1400, 1600, 2700 Frames
    • Space heater
    • Generator conversion from IE to PM
    • Differential current transformers (DCT) 15 kV class
    • RW, IE, 6 leads, Pitch 0.6667
    • Generator air cleaner
    • Low Voltage: 380,440 / 480 Volts, 3 Phase, 1800 rpm
    • Differential current transformers (DCT) 8.7 kV class
  • Instrumentation
    • Wiring GP W/O cyl sensors
    • Pyrometer and thermocouples
  • Lube System
    • Oil drains
    • Lubrication oil in standard sump
    • Oil level regulator
    • Prelube pumps
  • General
    • US aid emblem
    • The following options are based on regional and product configuration:
    • Automatic transfer switches (ATS)
    • EU Certificate of Conformance (CE)
    • CSA Certification
    • Integral & sub-base UL listed dual wall fuel tanks
    • EEC Declaration of Conformity
    • UL 2200 package
    • Integral & sub-base fuel tanks
    • Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
    • Enclosures: sound attenuated, weather protective
  • Crankcase Protection
    • Crankcase ventilation system
    • No explosion relief valves
    • No crankcase explosion relief valve
    • Explosion relief valve
  • Mounting System
    • Spring type vibration isolators
    • IBC vibration isolators
    • Puck style low efficiency isolators
  • Mounting
    • IBC isolators
    • Rubber anti-vibration mounts
    • Spring-type vibration isolator
  • Power Connections
    • 1600 ,2000, 2500, 3000, 4000 Amp, 3 Pole, UL-100% rated circuit breakers
    • Grounding groups
    • Neutral ground connections
    • Right side power connections
    • Rear power connections
    • Left side power connections
    • Six lead, six terminal option
    • 2000, 2500,3200 Amp, 3 Pole, IEC Rated Circuit Breakers
    • Center post busbar
    • 2000, 2500 Amp, 4 Pole, IEC Rated Circuit Breakers
    • Cable entry - Right side
  • Special Tests / Reports
    • Fuel consumption test
    • Generator test report
    • IBC seismic certification
    • PGS test report @ 1.0 power factor
    • Standard engine test charge
    • CSA certification
    • Generator fuel consumption test
    • Torsional vibration analysis
    • PGS test report @ 0.8 power factor
  • Starting / Charging System
    • 24 Volt battery set - Dry
    • Air pressure regulator
    • 10 Amp battery charger
    • Air starting motor
    • 35 Amp battery charger
    • Jacket water heaters
    • Starter covers
    • Engine barring device
    • Batteries, racks and cables:
    • Electric starting motors