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Overview

Producing reliable power from 1230 ekW to 1500 ekW at 60Hz, our 3512C diesel generator sets are made to meet your continuous, standby and prime applications. Each are designed to meet ISO 8528-5 transient response requirements and accept 100 percent rated load in one step. Our 3512C generator sets operate to the EPA Stationary Emergency (Tier 2) emissions levels. Seismic certification is also available for select models, maintaining your power after unexpected disturbances. Our integrated control system, including Cat® UPS, ATS and switchgear ensures a consistent power supply and connection to your fleet through on-site and remote monitoring options. Our EMCP 4 control panel options feature a user-friendly interface and offer management and diagnostic tools. The EMCP 4.4 controller provides multi generator set paralleling capability, giving you the ability to add generator sets to match your growing power requirements. Discover a broad range of accessories and bolt-on system expansion attachments. Find flexible packaging options to work with your spatial restrictions and environment conditions. Even select from UL 2200 and CSA certified package options for added safety.

Generator Set Specifications

Units:
Minimum Rating 1230 ekW 1230 ekW Less
Maximum Rating 1500 ekW 1500 ekW Less
Voltage 220 to 13800 Volts 220 to 13800 Volts Less
Frequency 60 Hz 60 Hz Less
Speed 1800 RPM 1800 RPM Less

Generator Set Configurations

Emissions/Fuel Strategy EPA Certified for Stationary Emergency Applications (Emits Equivalent U.S. EPA Tier 2 Nonroad Standards) EPA Certified for Stationary Emergency Applications (Emits Equivalent U.S. EPA Tier 2 Nonroad Standards) Less

Engine Specifications

Engine Model 3512C ATAAC, V-12, 4-Stroke Water-Cooled Diesel 3512C ATAAC, V-12, 4-Stroke Water-Cooled Diesel Less
Bore 170 mm (6.69 in) 170 mm (6.69 in) Less
Displacement 51.8 L (3161.03 in3) 51.8 L (3161.03 in3) Less
Stroke 190 mm (7.48 in) 190 mm (7.48 in) Less
Compression Ratio 14.7:1 14.7:1 Less
Aspiration TA TA Less
Governor Type Adem™3 Adem™3 Less
Fuel System Electronic unit injection Electronic unit injection Less
Exhaust Flange Size (Internal Diameter) 203.2 mm (8.0 in) 203.2 mm (8.0 in) Less

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
  • Generator

  • Matched to the performance and output characteristics of Cat engines
  • Industry leading mechanical and electrical design
  • Industry leading motor starting capabilities
  • High Efficiency
  • Cat EMCP Control Panel

    The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4 systems can be further customized to meet your needs through programming and expansion modules.

    Design Criteria

    The generator set accepts 100% rated load in one step per NFPA 110 and meets ISO 8528-5 transient response.

    UL 2200 / CSA - Optional

  • UL 2200 listed packages
  • CSA Certified
  • Certain restrictions may apply.
  • Consult with your Cat® Dealer.
  • Single-Source Supplier

    Fully prototype tested with certified torsional vibration analysis available

    World Wide Product Support

    Cat Dealers provide extensive post sale support including maintenance and repair agreements. Cat dealers have over 1,800 dealer branch stores operating in 200 countries. The Cat® S•O•SSM program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products.

    3512C Standard Equipment

    Air Inlet
    • Air Cleaner

    Cooling
    • Package mounted radiator

    Exhaust
    • Exhaust flange outlet

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

    Generator
    • Matched to the performance and output characteristics of Cat engines
    • IP23 Protection

    Power Termination
    • Bus Bar

    Control Panel
    • EMCP 4 Genset Controller

    General
    • Paint - Caterpillar Yellow except rails and radiators gloss black

    3512C Optional Equipment

    Exhaust
    • Exhaust mufflers

    Generator
    • Anti-condensation heater
    • Internal excitation (IE)
    • Permanent magnet excitation (PMG)
    • Oversize and premium generators

    Power Termination
    • Circuit breakers, UL listed
    • Circuit breakers, IEC compliant

    Control Panels
    • EMCP 4.2
    • EMCP 4.3
    • EMCP 4.4
    • Generator temperature monitoring & protection
    • Load share module
    • Digital I/O module
    • Remote monitoring software

    Mounting
    • Rubber anti-vibration mounts
    • Spring-type vibration isolator
    • IBC isolators

    Starting/Charging
    • Battery chargers
    • Oversize batteries
    • Jacket water heater
    • Heavy-duty starting system
    • Charging alternator
    • Air starting motor with control and silencer

    General
    • The following options are based on regional and product configuration:
    • Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
    • UL 2200 package
    • EU Certificate of Conformance (CE)
    • CSA Certification
    • EEC Declaration of Conformity
    • Enclosures: sound attenuated, weather protective
    • Automatic transfer switches (ATS)
    • Integral & sub-base fuel tanks
    • Integral & sub-base UL listed dual wall fuel tanks

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    3512C Generator Set Ratings

    Download Spec Sheets for 3512C Generator Sets

    See Specs