Diesel Generator Sets 3512C (1750 ekW, 60 Hz)

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Key Specs

Maximum Rating
1750 ekW
1750 ekW
Minimum Rating
1750 ekW
1750 ekW
Emissions/Fuel Strategy
U.S. EPA Cert., Tier 2
U.S. EPA Cert., Tier 2


1750 eKW Diesel Generator Set

Producing reliable power of 1750 ekW at 60 Hz, our 3512C diesel generator sets are made to meet your mission critical, continuous, standby and prime applications. We've designed each to ISO 8528-5 transient response requirements and to accept 100 per cent rated load in one step. Generator sets are U.S. EPA Certified for Stationary Emergency Use Only (Tier 2 Nonroad Equivalent Emission Standards)


Over 4,000,000,000 Global Operating Hours

Proven performance in heavy-duty applications

Over 200,000 Shipped

Since 1981, leading the large engine market

Full Power up to 50°C Ambient

Provides full power even on hottest days of the year

Product Specifications for 3512C (1750 ekW, 60 Hz)

Maximum Rating 1750 ekW 1750 ekW
Minimum Rating 1750 ekW 1750 ekW
Emissions/Fuel Strategy U.S. EPA Cert., Tier 2 U.S. EPA Cert., Tier 2
Voltage 380 to 13800 Volts 380 to 13800 Volts
Frequency 60 Hz 60 Hz
Speed 1800 rpm 1800 rpm
Duty Cycle Standby, Mission Critical Standby, Mission Critical
Engine Model 3512C ATAAC, V-12, 4-Stroke Water-Cooled Diesel 3512C ATAAC, V-12, 4-Stroke Water-Cooled Diesel
Bore 6.69 in 170 mm
Stroke 8.46 in 215 mm
Displacement 3574 in³ 58.6 l
Compression Ratio 14.7:1 14.7:1
Aspiration TA TA
Fuel System Electronic unit injection Electronic unit injection
Governor Type Adem™3 Adem™3
Length - Maximum 262.9 in 6676.8 mm
Width - Maximum 89.8 in 2281.2 mm
Height - Maximum 110 in 2794 mm
Dry Weight - Genset (maximum) 32660 lb 14820 kg

3512C (1750 ekW, 60 Hz) Standard Equipment

Air Inlet System

  • Air cleaner; single element canister type with service indicator


  • Package mounted radiator


  • Exhaust flange outlet


  • Primary fuel filter with integral water separator
  • Fuel priming pump
  • Secondary fuel filter


  • 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


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:


  • 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


  • 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

3512C (1750 ekW, 60 Hz) 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 mufflers

Air Inlet System

  • Heavy duty air cleaner
  • Single element filter


  • 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


  • 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


  • Wiring GP W/O cyl sensors
  • Pyrometer and thermocouples

Lube System

  • Oil drains
  • Lubrication oil in standard sump
  • Oil level regulator
  • Prelube pumps


  • 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


  • 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

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