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Industrial:

Cat® C1.1 Diesel Engine

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C1.1 LRC Diesel Engines - Lesser Regulated & Non-Regulated
Minimum Power
18.4 bhp
Maximum Power
28.2 bhp
Emissions
U.S. EPA Tier 4 Interim Equivalent. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards.
Rated Speed
2200-3400 rpm

The C1.1 Industrial Diesel Engine is offered in ratings ranging from 13.7-21.0 bkW (18.4-28.2 bhp) @ 2200-3000 rpm. These ratings meet EPA Tier 4 Final emission standards. They are also available for Europe and, depending on applicable emission standards, may be introduced in other regulated and non-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 and Underground Mining Equipment.

Product Specs

  • Power Rating

    • Minimum Power
    18.4bhp
    Maximum Power
    28.2bhp
    Rated Speed
    2200-3400 rpm
    Minimum Power
    19.1BHP
    Maximum Power
    28.2BHP
    Rated Speed
    2200-3400 rpm
    Maximum Power
    28.2HP
    Maximum Torque
    49.4lb-ft @ 2400 rpm
    Rated Speed
    2200-3400 rpm
    Minimum Power
    19.7HP

  • Emission Standards

    • Emissions
    U.S. EPA Tier 4 Interim Equivalent. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards.
    Emissions
    U.S. EPA Tier 4 Interim Equivalent. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards.
    Emissions
    U.S. EPA Tier 4 Interim Equivalent. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards.

  • General

    • Engine Configuration
    Inline 3, 4-Stroke-Cycle Diesel
    Bore
    77 mm (3.03 in)
    Stroke
    81 mm (3.19 in)
    Displacement
    1.13 L (69 in³)
    Aspiration
    Naturally Aspirated (NA)
    Compression Ratio
    23:1
    Combustion System
    Indirect Injection
    Rotation (from flywheel end)
    Counterclockwise
    Lube System (refill)
    3.4-4.4 L (3.6-4.6 qt)
    Engine Configuration
    Inline 3, 4-Stroke-Cycle Diesel
    Bore
    77 mm (3.03 in)
    Stroke
    81 mm (3.19 in)
    Aspiration
    Naturally Aspirated (NA)
    Displacement
    1.13 L (69 in³)
    Compression Ratio
    23:1
    Combustion System
    Indirect Injection
    Rotation from Flywheel End
    Counterclockwise
    Lube System - Refill
    3.4-4.4 L (3.6-4.6 qt)
    Engine Configuration
    Inline 3, 4-Stroke-Cycle Diesel
    Bore
    3in
    Stroke
    3.2in
    Displacement
    69in³
    Compression Ratio
    23.0:1
    Aspiration
    Naturally Aspirated (NA)
    Combustion System
    Indirect Injection
    Rotation from Flywheel End
    Counterclockwise

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

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

  • 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 (15.7 in)
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    191lb
    Length
    19.3in
    Width
    15.7in
    Height
    22.7in

Equipment

  • 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

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