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C1.5 Generator Set

Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

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  • Bore 3.3 in
  • Displacement 91.3 in3
  • Stroke 3.5 in
  • Fuel System Indirect Injection

Call 440-838-7348 for rate information

Engine Specifications

  • Bore
    3.3 in
  • Displacement
    91.3 in3
  • Stroke
    3.5 in
  • Fuel System
    Indirect Injection
  • Engine Model
    Cat® C1.5
  • Compression Ratio
  • Governor Type
  • Fuel System
    Indirect Injection
  • Bore
    3.3 in
  • Displacement
    91.3 in³
  • Stroke
    3.5 in
  • Fuel System
    3.5 in
  • Aspiration
    Naturally Aspirated

Generator Set Specifications

  • Minimum Rating
    12.0 ekW
  • Maximum Rating
    13.2 ekW
  • Voltage
    110 to 415 Volts
  • Frequency
    60 Hz
  • Speed
    1800 rpm
  • Emissions/Fuel Strategy
    R96/EUIIIa Equivalent
  • Duty Cycle
    Standby, Prime

Generator Set Dimensions

  • Height - Maximum
    41.5 in
  • Length - Maximum
    55.1 in
  • Width - Maximum
    24.4 in

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

M-Frame 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

GCCP 1.3 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
  • Image may not be a representative of actual product

Cooling System

  • Designed to operate in standard ambient temperatures up to 55°C (131°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities


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® SOSSM program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products.

One Safe Source

  • Components used in the generator set are selected based on seamless design integration to provide the optimum 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

Standard Equipment:

  • Air Inlet System
    • Air cleaner; light duty with disposable element
  • Control Panel
    • GCCP 1.3
  • Cooling System
    • Radiator and cooling fan with guards
    • Coolant drain line with valve
    • Fan drive, battery charging alternator drive
    • Caterpillar extended life coolant
  • Exhaust System
    • Stub pipe, gaskets, raincap & SAE exhaust flange for customer use; shipped loose
  • Fuel System
    • Base, formed steel with single wall integral 8-hour fuel tank
    • Standard open set fuel tank / base supplied
  • Generators And Generator Attachments
    • Voltage regulator (single phase sensing)
    • IP23 Protection
    • Segregated low voltage (AC/DC) wiring panel
    • Tower panel, IP22, bottom cable entry
    • Circuit breaker, IEC, 3 pole, mounted in tower panel
    • 12 Leads
  • Governing System
    • Mechancial governing system
  • Lube System
    • Oil drain line with valve
    • Lubricating oil
  • Mounting System
    • Captive linear vibration isolators between base and engine-generator
    • includes lifting provisions and termination points for coolant
  • Starting / Charging System
    • 12 Volt battery with rack and cables
  • General
    • Engine and alternator pre-paint, Caterpillar yellow

Optional Equipment:

  • Alternator Options
    • Coastal insulation protection
  • Certificates
    • Global certification for CIS
    • European upgrade to STD set for CE certificate
  • Circuit Breakers
    • Pad-lockable breaker device
    • 4 Pole circuit breaker
  • Control Panel Options
    • Emergency stop with key
    • Volt free contacts for genset running
    • Battery charger
    • Volt free contacts for common alarm
    • GCCP 1.3
  • Cooling System
    • Coolant heater
  • Enclosures
    • Sound attenuated enclosure (GALV)
    • Single point lift for enclosure
  • Fuel System
    • Low fuel level alarm
    • DEFRA bunded fuel tank
    • 1000 Hr extended service interval
    • Fuel transfer control
    • Skidbase for open sets
    • Base feet
    • Skidbase for Enclosures
  • Mounting Options
    • Silencer installation kit
    • Industrial silencer removal
    • Battery removal
  • Special Test And Inspection
    • PGS test report @ 1.0 power factor
  • General
    • Packing case - canopied set
    • Packing Case - compact set
    • Radiator Stone Guard
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