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Overview

Producing reliable power from 890 to 1250 ekW at 60 z, our 3512 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 offer a low fuel consumption system.

Generator Set Specifications

Units:
Minimum Rating 890 ekW 890 ekW Less
Maximum Rating 1250 ekW 1250 ekW Less
Emissions/Fuel Strategy Low Fuel Consumption Low Fuel Consumption Less
Voltage 220 to 13800 Volts 220 to 13800 Volts Less
Frequency 60 Hz 60 Hz Less
Speed 1800 rpm 1800 rpm Less
Duty Cycle Standby, Mission Critical, Prime, Continuous Standby, Mission Critical, Prime, Continuous Less

Engine Specifications

Engine Model 3512 TA, V-12, 4-Stroke Water-Cooled Diesel 3512 TA, V-12, 4-Stroke Water-Cooled Diesel Less
Bore 6.69 in 170.0 mm Less
Stroke 7.48 in 190.0 mm Less
Displacement 3161.03 in³ 51.8 l Less
Compression Ratio 13.5:1 13.5:1 Less
Aspiration TA TA Less
Fuel System Direct Unit Injection Direct Unit Injection Less
Governor Type Woodward Woodward Less

Generator Set Dimensions

Length - Minimum 214.8 in 5456.0 mm Less
Length - Maximum 218.8 in 5556.0 mm Less
Width - Maximum 77.8 in 1975.0 mm Less
Height - Maximum 93.2 in 2367.0 mm Less
Dry Weight - Genset (minimum) 22210.0 lb 10080.0 kg Less
Dry Weight - Genset (maximum) 22650.0 lb 10270.0 kg Less

3512 (60 Hz) Standard Equipment

Air Inlet System
  • Air cleaner; single element canister type with service indicator

Control Panel
  • EMCP 4.2
  • Features include:
  • Emergency stop pushbutton
  • 24-volt DC operation
  • Environmental sealed front face
  • Text alarm / event descriptions
  • Generator mounted - rear facing
  • Controls:
  • Auto/start/stop control
  • Engine cool-down timer
  • Engine cycle crank
  • Alarm acknowledge
  • Lamp test
  • True RMS AC metering, 3-phase, +/-2% accuracy
  • Digital indication for:
  • RPM
  • DC volts
  • Operating hours
  • Oil pressure (psi, kPa or bar)
  • Coolant temperature
  • Volts (L-L & L-N), frequency (Hz)
  • Amps (per phase & average)
  • Power factor (per phase & average)
  • kW (per phase, average & percent)
  • kVA (per phase, average & percent)
  • kVAr (per phase, average & percent)
  • kW-hr (total)
  • kVAr-hr (total)
  • Warning / shutdown with common LED indication of shutdowns for:
  • Low oil pressure
  • High coolant temperature
  • Overspeed
  • Emergency stop
  • Failure to start (overcrank)
  • Low coolant temperature
  • Low coolant level
  • Programmable protective relaying functions:
  • Generator phase sequence
  • Over / under voltage (27 / 59)
  • Over / under frequency (81 o / u)
  • Reverse Power (kW) (32)
  • Reverse Reactive Power (kVAr) (32RV)
  • Overcurrent (50 / 51)
  • Communications:
  • Customer data link (Modbus RTU)
  • Accessory module data link
  • Serial annunciator module data link
  • 6 programmable digital inputs
  • 4 programmable relay outputs (Form A)
  • 2 programmable relay outputs (Form C)
  • 2 programmable digital outputs

Cooling System
  • JWAC
  • Radiator fan and fan drive
  • Fan and belt guards
  • Coolant drain line with valve
  • Coolant level sensors
  • Caterpillar Extended Life Coolant

Exhaust System
  • Dry Exhaust Manifold.
  • Exhaust flange outlet(s)

Fuel System
  • Secondary fuel filters
  • Fuel cooler; not included with packages without radiator
  • Flexible fuel lines - shipped loose
  • Fuel priming pump

Generators and Attachments
  • 3 phase brushless, salient pole
  • 6 lead
  • 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
  • LV:
  • Random wound
  • Internal Excitation
  • NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime/150C standby)
  • Winding temperature detectors
  • Busbar connections, top center mounted, top cable entry. 50 Hz models: IEC standard hole pattern
  • 1800 frames are form wound, permanent magnet, with winding temperature detectors

Governing System
  • Woodward 2301A isochronous governor

Lube System
  • Lubricating oil.
  • Gear type lube oil pump.
  • Integral lube oil cooler
  • Oil filter, filler and dipstick
  • Oil drain lines and valve
  • Fumes disposal

Mounting System
  • Rails - engine/generator/radiator mounting
  • Rubber anti-vibration mounts (shipped loos

Starting / Charging System
  • 24-volt electric starting motor
  • Battery and battery rack w/cables
  • Battery disconnect switch

General
  • Caterpillar Yellow with high gloss black rails & radiator
  • Right hand servicing
  • Flywheel and Flywheel housing-SAE No. 00
  • SAE Standard Rotation

3512 (60 Hz) Optional Equipment

Air Inlet System
  • Air cleaner - Dual element
  • Remote air inlet adapters
  • Air inlet protection

Circuit Breakers
  • Optional busbar power connections
  • Breaker harnesses
  • Low voltage, IEC standard hole
  • Cable entry options
  • Enclosures - control packaging
  • EMAX breakers
  • Busbar connections
  • EMAX breaker connections

Control Panels
  • EMCP 4.3, EMCP 4.4
  • Annunciator modules
  • Governors
  • Mounting group - External box clips
  • Auxiliary box
  • Customer interface options
  • Generator temperature monitoring

Cooling System
  • 3512 MUI 1500 Radiators PGS
  • Water level switch gauges
  • Heat exchangers

Certificates
  • European union certification
  • EU declaration of conformity
  • Eurasian conformity (EAC) mark
  • European directive genset DOI

Exhaust System
  • Mufflers
  • Flexible fittings
  • Through wall installation kit

Fuel System
  • Primary fuel filter

Generators and Attachments
  • Generator conversions - IE and PM
  • Space heater kt

Instrumentation
  • Pyrometers

Lube System
  • Oil level reg-1 shallow pan
  • Electric prelube pumps
  • Manual prelube sump pumps

Mounting System
  • Vibration Isolator options

Protection System
  • Explosion relief valves

Special Tests / Reports
  • Neutral grounding connection
  • Neutral ground - LV
  • PGS test report @ 1.0 power factor
  • PGS test report @ 0.8 power factor
  • IBC seismic certification

Starting / Charging System
  • Charging alternators
  • Battery chargers (10 and 20 amp)
  • Battery sets - 24 Volt, dry
  • Electric starting motors - Duel 24 Volt
  • Starting aids
  • Jacket water heaters

General
  • Engine barring group - installed

Why Choose Cat® Electric Power?

Caterpillar offers a comprehensive variety of electric power systems, customised to fit your needs. Our specialised systems deliver high power and performance in industries across the globe. With Caterpillar, you get outstanding manufacturing quality, expert support, and the essential tools and applications to complete any project.

Learn More About Electric Power

EMCP 4 Generator Set Controls

Cat generator sets provide a complete factory-built solution with fully featured standard and advanced controls. Optional accessories enhance the capabilities of the genset package-mounted control system.

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Application Center

Explore valuable resources for generator sizing, specification, and training materials. SpecSizer evaluates load types, collects data, and organises it to help you select the generator set that's best for you. Find product comparisons, technical data, product sizing, and more using our technical information portal (TIP) specifically created for consultants, architects, engineers, and owners.

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