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C2.2 | D20 Generator Set

Standby Rating

20.0 ekW


60 Hz

Emissions/Fuel Strategy

US EPA TIER 4I (EPA 40 CFR Part 1039 Interim Tier 4)


Producing reliable power of 20 ekW at 60 Hz, our D20 diesel generator sets are designed to meet ISO 8528-5 transient response requirements. All D20 generator sets are EPA TIER 4I emissions compliant.


360° View





  • Generator Set Specifications
    Spec Value
    Standby Rating 20.0 ekW
    Frequency 60 Hz
    Emissions/Fuel Strategy US EPA TIER 4I (EPA 40 CFR Part 1039 Interim Tier 4)
    Voltage 480/277, 240/120, 208/120, 600/346, 240/120 VAC
    Speed 1800 rpm
    Duty Cycle Standby
  • Engine Specifications
    Spec Value
    Engine Model Cat® C2.2, In-line 4, 4-cycle diesel
    Bore 3.3 in
    Stroke 3.9 in
    Displacement 134 in³
    Compression Ratio 23.3:1
    Aspiration Naturally Aspirated
    Fuel System Mechanical Cassette Type
    Governor Type Mechanical
  • Generator Set Dimensions
    Spec Value
    Length - Maximum 88.6 in
    Width - Maximum 41.3 in
    Height - Maximum 57.9 in
    Dry Weight - Genset (maximum) 2052 lb

Standard Equipment


  • Electrical System, 12 VDC
  • Diesel Engine 2.2L, EPA TIER IV Interim

Exhaust System

  • Dry exhaust manifolds

Fuel System

  • Mechanical Governor

Control Panel

  • GCCP 1.2. R220 / R221 / D350 Voltage Regulators


  • PL444 Product link 4G LTE Telematics

Generators and Generator Attachments

  • Anti-condensation space heater
  • M-Frame

Starting / Charging System

  • 12V starting motors


  • Operation and maintenance manuals
  • Parts book
  • Paint - Caterpillar Yellow except rails are gloss black

Optional Equipment

Air Inlet

  • Air inlet adapters

Cooling System

  • Inlet/Outlet connections


  • Elbow, Flange
  • Flexible fitting
  • Muffler and spark-arresting muffler with companion flanges
  • Exhaust expander


  • PLG 601 & 641 Product link Telematics


  • Sound Attenuated Steel & Aluminum Enclosures


  • 25dBA mufflers

Starting / Charging System

  • Space Heaters
  • Battery charger
  • Charging alternator
  • Jacket water heater