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Producing reliable power from 910 kVA to 1500 kVA at 50 Hz, our C32 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 percent rated load in one step. Generator sets range from low fuel consumption systems to EPA Stationary Emergency (Tier 2) certification. Seismic certification is also available for select models, ensuring you maintain power after unexpected disturbances. Our integrated control system, including ATS and switchgear, protects your power supply and keeps you connected through on-site and remote monitoring options. We offer easy-to-use EMCP control panel options, combining your management and diagnostic tools in one. 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. Browse a broad range of accessories and bolt-on system expansion attachments. Find flexible packaging to fit unique spatial requirements and environmental conditions. Even extend the safety of your operation with UL 2200 and CSA certified package options. Our C32 generator sets are made for demands, so you can make yours.

Generator Set Specifications

Minimum Rating 910 kVA 910 kVA Less
Maximum Rating 1500 kVA 1500 kVA Less
Emissions/Fuel Strategy Low Fuel Consumption, Low Emissions, EPA Certified for Stationary Emergency Application (Emits Equivalent U.S. EPA Tier 2 Nonroad Standards) Low Fuel Consumption, Low Emissions, EPA Certified for Stationary Emergency Application (Emits Equivalent U.S. EPA Tier 2 Nonroad Standards) Less
Voltage 220 to 4160 220 to 4160 Less
Frequency 50 Hz 50 Hz Less
Speed 1500 rpm 1500 rpm Less

Engine Specifications

Engine Model C32 TA, V-12, 4-Stroke Water-Cooled Diesel C32 TA, V-12, 4-Stroke Water-Cooled Diesel Less
Displacement 1958.86 in³ 32.1 l Less
Fuel System MEUI MEUI Less
Aspiration TA TA Less
Governor Type Adem™A4 Adem™A4 Less
Compression Ratio 15.0:1 15.0:1 Less
Bore 5.71 in 145.0 mm Less
Stroke 6.38 in 162.0 mm Less


Length - Maximum 193.9 in 4926.0 mm Less
Width - Maximum 87.8 in 2231.0 mm Less
Height - Maximum 85.6 in 2175.0 mm 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.


  • Seismic Certification available.
  • Anchoring details are site specific, and are dependent on many factors such as generator set size, weight, and concrete strength.
  • IBC Certification requires that the anchoring system used is reviewed and approved by a Professional Engineer
  • Seismic Certification per Applicable Building Codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007, CBC 2010
  • Pre-approved by OSHPD and carries an OSP-0321-10 for use in healthcare projects in California
  • C32 (50 Hz) Standard Equipment

    Air Inlet System
    • Single element canister type with service indicator

    Control Panel
    • EMCP 4.2
    • Control Features
    • Digital Indicators
    • Warning Shutdowns
    • Programmable Protective Relaying Functions
    • Communications

    Cooling System
    • ATAAC
    • Radiator fan and fan drive
    • Fan and belt guards
    • Coolant drain line with valve
    • Low coolant level sensor
    • Caterpillar Extended Life Coolant

    • Exhaust manifold - Dry
    • 203 mm (8 in) ID round flanged outlet

    Fuel System
    • Primary fuel filter with water separator
    • Secondary fuel filters
    • Fuel cooler
    • Fuel priming pump

    Generators and Attachments
    • 3 Phase brushless
    • Salient pole
    • Integrated voltage regulator (IVR)
    • 6 Lead
    • Winding temperature detectors
    • Internal Excitation
    • NEMA Class H insulation
    • Class H temperature rise at 40C ambient
    • Reactive droop
    • Bus bar connections, top center mounted, top cable entry
    • IEC standard hole pattern
    • Permanent magnet

    Governing System
    • ADEM(tm) A4

    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

    Power Termination
    • Bus Bar

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

    Starting / Charging System
    • 24-volt electric starting motor
    • 45 amp charging alternator
    • Battery, rack and cables
    • Battery disconnect switch

    • Caterpillar Yellow with high gloss black rails & radiator
    • RH Service
    • Flywheel and flywheel housing-SAE
    • SAE Standard Rotation

    C32 (50 Hz) Optional Equipment

    Air Inlet System
    • Standard air cleaner
    • Dual element air cleaner
    • Heavy duty air cleaner

    Circuit Breakers
    • Center posts busbars
    • Shrouds
    • Cable supports
    • Power connection covers
    • Enclosures - Control packaging
    • Circuit breaker wiring groups
    • 400, 800, 1200, 1600, 2000, 2500 and 3000 Amp, 3 Pole, UL-100% Rated Circuit Breakers
    • 800, 1600, 2000, 2500 and 3200 Amp, 4 Pole, IEC Rated Circuit Breakers
    • 1600, 2000, 2500 and 3200 Amp, 3 Pole, IEC-Rated Circuit Breakers

    Control Panels
    • EMCP 4.3, EMCP 4.4

    Cooling System
    • Standard radiator
    • High Ambient radiator
    • Certified radiator
    • Extended life coolant
    • Radiator duct flange

    Exhaust System
    • All C32 engines have 203 mm (8 in) exhaust outlets
    • Guard and Shield System
    • Elbow mounting kit
    • Flanges
    • Flexible fittings
    • Flange and exhaust expanders
    • Mufflers
    • Exhaust through wall kit

    Generator and Attachments
    • Low voltage generators
    • Medium voltage generators

    Lube System
    • Oil level regulator
    • Oil pan
    • Prelube manual sump pump

    Mounting System
    • Standard package isolators
    • Spring type vibration isolator
    • IBC vibration isolators
    • Mounting base types

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

    Power Connections
    • Low voltage connection cables
    • Neutral grounding connection
    • Center post busbar

    Starting / Charging System
    • 10 Amp battery charger
    • 10 Amp enclosure battery charger
    • 20 Amp battery charger
    • 35 Amp battery charger
    • Standard 24 volt Open package battery set - Dry
    • Electric starting motor - Standard / Heavy duty
    • Jacket water heater
    • Space heater

    Special Tests / Reports
    • IBC seismic certifications
    • OSHPD seismic certifications
    • CSA test and certification
    • PGS test report @ 1.0 power factor
    • PGS test report @ 0.8 power factor
    • Generator test report
    • Standard engine test
    • Standard genset Torsional Vibration Analysis (TVA) report
    • Custom genset TVA report

    • Premium sound attenuated enclosure
    • Sound attenuated enclosure
    • Color options
    • Enclosure fuel tank options
    • Enclosure louvres - fixed and motorized
    • Cold weather bundle
    • DC lighting package
    • AC panel, outlets and lights
    • Panel bracket

    • US aid emblem
    • Special paint

    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.

    Learn More

    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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