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Industrial:

Cat® C1.1 Diesel Engine

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C1.1 Tier 4 Diesel Engines - Highly Regulated
Engine Configuration
In-Line 3, 4-Stroke-Cycle Diesel
Cooling System Capacity
1.9 L (2 qt)
Lube System (refill)
3.4-4.4 L (3.6-4.6 qt)
Length
491 mm (19.33 in)

The Cat® C1.1 Industrial Diesel Engine is offered in ratings ranging from 14.4-18.4 bkW (19.3-24.7 bhp) @ 1800-2800 rpm. These ratings meet U.S. EPA Tier 4 Final emission standards. Ratings: 13.7-21.0 bkW (18.4-28.2 bhp) @ 2200-3000 rpm are also available for Europe and, depending on applicable emission standards, may be introduced in other regulated areas. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards. 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, Underground Mining Equipment.

Product Specs

  • General

    • Engine Configuration
    In-Line 3, 4-Stroke-Cycle Diesel
    Cooling System Capacity
    1.9 L (2 qt)
    Lube System (refill)
    3.4-4.4 L (3.6-4.6 qt)
    Bore
    3in
    Stroke
    3.2in
    Displacement
    69in³
    Aspiration
    Naturally Aspirated (NA)/Turbocharged (T)
    Compression Ratio
    23.0:1
    Combustion System
    Indirect Injection
    Rotation from Flywheel End
    Counterclockwise
    Engine Configuration
    In-Line 3
    Bore
    77 mm (3.03 in)
    Stroke
    81 mm (3.19 in)
    Displacement
    1.13 L (69 in³)
    Cooling System - Capacity
    1.9 L (2 qt)
    Lube System - Refill
    3.4-4.4 L (3.6-4.6 qt)

  • Engine Dimensions (Approximate. Final dimensions dependent on selected options)

    • Length
    491 mm (19.33 in)
    Width
    400 mm (15.74 in)
    Height
    576 mm (22.7 in)
    Weight - Net Dry (Basic Operating Engine Without Optional Attachments)
    87 kg (191 lb)

  • Power Rating

    • Minimum Power
    19.3HP
    Maximum Power
    25HP
    Rated Speed
    2200-3400 rpm
    Maximum Torque
    63lb-ft @ 1600 rpm

  • Emission Standards

    • Emissions
    U.S. EPA Tier 4 Final, EU Stage V

  • Engine Dimensions - Approximate

    • Height
    576 mm (22.7 in)
    Length
    491 mm (19.33 in)
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    87 kg (191 lb)
    Width
    400 mm (15.74 in)
    Length
    19.3in
    Width
    15.7in
    Height
    22.7in
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    191lb

Equipment

  • Air Inlet System
    • Inlet manifold with choice of inlets.
  • Control System
    • Alternator 12 volt 65 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
    • U.S. EPA Tier 4 Final: Standard backplate flywheel housing and flatface flywheel
  • Fuel System
    • Fuel injection pump
    • Spin-on fuel filter
  • Lube System
    • Low profile oil pan
    • Spin-on lube oil filter
    • Lube oil pressure switch
  • Power Take Off (pto)
    • Provision for Power Take Off (PTO)
  • General
    • Cast iron, engine block
    • Cast iron exhaust manifold--side outlet
    • Cold start capability to -20° C (-4° F)
    • Paint: Caterpillar yellow, with optional colors available at request

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