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

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Generator Set Specifications

Standby Rating
4000 (no fan)/3900/3620(no fan)/3500 ekW
Prime Power Rating
3600 (no fan)/3500/3300 (no fan)/3180 ekW
Emissions/Fuel Strategy
Low Fuel, Tier 2
480 to 13800 Volts
60 Hz
1800 rpm
Duty Cycle
Standby, Mission Critical, Prime, Continuous
Maximum Rating
4000 ekW
Minimum Rating
3150 ekW

Engine Specifications

Engine Model
C175-20 SCAC, V-20, 4-Stroke Water-Cooled Diesel
Compression Ratio
Turbo Aftercooled
Fuel System
Common Rail
Governor Type

Generator Set Dimensions

Length - Minimum
Length - Maximum
Width - Minimum
Width - Maximum
Height - Minimum
Height - Maximum
Dry Weight - Genset (minimum)
Dry Weight - Genset (maximum)

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

Cat ECS 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


  • 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

Worldwide 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:

Optional Equipment:

    Air Inlet Systems
    • Single element air cleaner
    Control Panel
    • EMCP 4.4
    • Controller and MV and HV power connection locations
    • Controller voltage and current sensing groups
    • E-Stop
    • Generator harness
    • Generator temperature monitoring
    • Interconnect harness
    • Load share module
    • Modbus monitoring of packages
    • Speed adjust
    • Vandal proof panel door
    • Annunciator modules
    • Customer interface options
    Cooling System
    • Fuel cooler
    • Package mounted radiators
    • Remote radiators
    Crankcase Systems
    • Crankcase ventilation system
    • Explosive relief valves
    Exhaust System
    • Exhaust collectors/manifold
    • Front housing - Prime or continuous
    • Front housing - Standby or mission critical
    • Mufflers (15, 25 and 34 dBA silencers)
    Fuel System
    • Primary fuel filter
    • Anti-condensation heater
    • Internal excitation (IE)
    • Oversize and premium generators
    • Permanent magnet excitation (PMG)
    Generators And Attachments
    • Differential current transformers
    • Generator air cleaner
    • Medium voltage - 3000 Frames - 60 Hz, 3 phase, 1800 rpm, FW, PM, No of leads=6, Pitch 0.6667
    • Thermostat for space heater
    • Pyrometer and thermocouples
    Lube System
    • Drain group oil pans
    • Electric prelube pumps
    • Lube oil heater
    • Lubricating oil
    • Oil filters
    Mounting System
    • IBC vibration isolators - Shipped loose
    • Rubber anti-vibration mounts
    • Spring type linear vibration isolators
    Power Termination
    • Circuit breakers, IEC compliant
    • Circuit breakers, UL listed
    Special Tests / Reports
    • Custom generator TVA report
    • Generator test report
    • Genset fuel consumption test
    • PGS Test report @ 0.8 power factor
    • PGS Test report @ 1.0 power factor
    • Special test charge - Engine only
    • Standard engine test charge
    • Standard genset TVA (Torsional Vibration Analysis) report
    Starting / Charging System
    • 20 Amp Battery chargers
    • 24 Volt battery set - Dry
    • 24 Volt electric starting motor
    • 35 Amp Battery chargers
    • 50 Amp Battery chargers
    • Air pressure regulator
    • Air starting motor
    • Charging alternators - Dry
    • Jacket water heaters
    • Starter location covers
    • Barring groups:
    • Control GP - air powered bar group
    • Engine air powered
    • Engine barring group
    • Manual
    • Special paint - 3500