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.

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Maximum Power	28.2HP
Maximum Torque	49.4lb-ft @ 2400 rpm
Minimum Power	19.7HP
Rated Speed	2200-3400 rpm

Emissions	U.S. EPA Tier 4 Interim Equivalent

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

Aftertreatment	-
Aspiration	Naturally Aspirated (NA)
Bore	3in
Combustion System	Indirect Injection
Compression Ratio	23.0:1
Displacement	69in³
Engine Configuration	Inline 3, 4-Stroke-Cycle Diesel
Rotation from Flywheel End	Counterclockwise
Stroke	3.2in

Standard 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

Optional Equipment:

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