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Producing reliable power from 830 to 1250 ekW at 60 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 per cent rated load in one step. Generator sets range from low fuel consumption systems to EPA Stationary Emergency (Tier 2) certification.

Generator Set Specifications

Minimum Rating 830 ekW 830 ekW Less
Maximum Rating 1250 ekW 1250 ekW Less
Emissions/Fuel Strategy Low Fuel, Tier 2 Nonroad Stds Low Fuel, Tier 2 Nonroad Stds Less
Voltage 220 to 4160 Volts 220 to 4160 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 C32 TA, V-12, 4-Stroke Water-Cooled Diesel C32 TA, V-12, 4-Stroke Water-Cooled Diesel Less
Bore 5.71 in 145.0 mm Less
Stroke 6.38 in 162.0 mm Less
Displacement 1958.86 in³ 32.1 l Less
Compression Ratio 15.0:1 15.0:1 Less
Aspiration TA TA Less
Fuel System MEUI MEUI Less
Governor Type Adem™A4 Adem™A4 Less

Generator Set Dimensions

Length - Minimum 164.0 in 4165.0 mm Less
Length - Maximum 172.7 in 4385.0 mm Less
Width - Minimum 66.3 in 1684.0 mm Less
Width - Maximum 87.7 in 2228.0 mm Less
Height - Minimum 85.1 in 2162.0 mm Less
Height - Maximum 86.4 in 2194.0 mm Less
Dry Weight - Genset (minimum) 14700.0 lb 6668.0 kg Less
Dry Weight - Genset (maximum) 16755.0 lb 7600.0 kg Less

Cat Generator Set Package

  • Cat generator set packages have been fully prototype tested
  • Accepts 100% block load in one step and meets NFPA 110 loading requirements
  • Conform to ISO 8528-5 steady state and transient response requirements

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

SR5 Alternator

  • Superior motor starting capability minimizes need for oversizing alternator
  • Designed to match performance and output characteristics of Cat diesel engines
  • Robust Class H insulation

EMCP 4 Control Panel

  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement
  • Expansion modules and site-specific programming for specific customer requirements

Cooling System

  • Designed to operate in standard ambient temperatures up to 50°C (122°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities


  • UL2200
  • CSA
  • IBC seismic certification
  • OSHPD pre-approval

One Safe Source

  • Components used in the generator set are selected at the design stage to provide optimum package performance
  • The generator set is fully assembled at a Caterpillar facility following our quality guidelines
  • Each generator set package is tested before leaving the Caterpillar facility
  • Cat product support, including dealer service, parts and warranty covers the entire Cat power system

World Wide Product Support

  • Cat dealers have over 1,800 dealer branch stores operating in 200 countries
  • Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements

C32 (60 Hz) Standard Equipment

Air Inlet System
  • Single element canister type with service indicator

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

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

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

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

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

Governing System
  • ADEM(tm) A4

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

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

Power Termination
  • Bus Bar

Starting and Charging
  • 45 Amp charging alternator
  • 24 Volt electric starting motor
  • Battery disconnect switch
  • Battery, rack and cables

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

C32 (60 Hz) Optional Equipment

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

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

Control Panels
  • EMCP 4.3, EMCP 4.4

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

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

Generator and Attachments
  • Medium Voltage Optional Generators
  • Low Voltage Optional Generators

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

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

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

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

Starting / Charging
  • 10 Amp enclosure battery charger
  • 35 Amp battery charger
  • Space heater
  • Jacket water heater
  • Electric starting motor - Standard / Heavy duty
  • Heavy-duty starting system
  • 10 Amp battery charger
  • 20 Amp battery charger

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

  • Premium sound attenuated enclosure
  • Cold weather bundle
  • Color options
  • DC lighting package
  • Sound attenuated enclosure
  • AC panel, outlets and lights
  • Panel bracket
  • Enclosure Fuel Tank Options
  • Enclosure louvers - fixed and motorized

  • US aid emblem
  • Special paint

Application Centre

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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