New CAT Equipment

Cat?� C1.1 Diesel Engine

Cat®C1.1 Industrial Diesel Engines deliver impressive performance throughout a wide speed range with exceptional power density. Their ultra-compact package size and extensive choice of options ensures these engines are ideal for a wide range of small, off road applications. Single-side servicing improves ease of maintenance and lowers overall owner operating costs. Industries and applications powered by C1.1 engines include: Aircraft Ground Support, Auxiliary Power Units, Bore/Drill Rigs, Chippers/Grinders, Compactors/Rollers, Construction, Forestry, General Industrial, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Light Towers, Pumps, Trenchers and Underground Mining Equipment. C1.1 engines, with ratings: 13.7-21 bkW (18.4-28 bhp) @ 2200-3400 rpm, meet UN ECE R96 Stage IIIA emission standards. They are available using U.S. EPA Flexibility and for Europe and, depending on applicable emission standards, may be introduced in other regulated and non-regulated areas.

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  • Emission Standards
    Emissions
    UN ECE R96 Stage IIIA
  • Engine Dimensions - Approximate
    Height
    22.7 in
    Length
    19.3 in
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    211 lb
    Width
    15.7 in
  • General
    Aftertreatment
    -
    Aspiration
    Naturally Aspirated (NA)
    Bore
    3 in
    Combustion System
    Indirect Injection
    Compression Ratio
    23.0:1
    Displacement
    69 in³
    Engine Configuration
    Inline 3, 4-Stroke-Cycle Diesel
    Rotation from Flywheel End
    Counterclockwise
    Stroke
    3.2 in
  • Power Rating
    Maximum Power
    28.2 hp
    Maximum Torque
    49.4 lb-ft @ 2400 rpm
    Minimum Power
    19.7 hp
    Rated Speed
    3400 rpm
Air Inlet System
  • Inlet manifold with choice of inlets.
Control System
  • Alternator 12 volt 40 amp
  • Starter motor 12 volt
  • Glow plug starting aid
Cooling System
  • Belt-driven coolant pump
  • Coolant temperature switch
Flywheel and Flywheel Housing
  • SAE No. 6 1/2 flywheel
  • Choice of SAE No. 5 or standard backplate flywheel housing
Fuel System
  • Fuel injection pump
  • Spin-on fuel filter
  • Electronic Shut-off Solenoid (ESOS)
Lube System
  • Low profile oil pan
  • Spin-on lube oil filter
  • Lube oil pressure switch
General
  • Cast iron, engine block
  • Cast iron exhaust manifold--side outlet
  • Paint: Caterpillar yellow, with optional colors available at request