Cat?� C1.1 Diesel Engine

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. 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.

Maximum Power
28.2hp
Maximum Torque
49.4lb-ft @ 2400 rpm
Rated Speed
2200-3400 rpm
Minimum Power
19.7hp
Emissions
U.S. EPA Tier 4 Interim Equivalent
Length
19.3in
Width
15.7in
Height
22.7in
Weight – Net Dry – Basic Operating Engine Without Optional Attachments
191lb
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
Aftertreatment
  • 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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