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 EPA Tier 4 Interim equivalent 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.

Specifications
Equipment
Units: US Metric
Power Rating
Maximum Power
28.2 HP
21 kW
Maximum Torque
49.4 lb-ft @ 2400 rpm
67 Nm @ 2400 rpm
Rated Speed
2200-3400 rpm
Minimum Power
19.7 HP
14.7 kW
Emission Standards
Emissions
U.S. EPA Tier 4 Interim Equivalent
General
Engine Configuration
Inline 3, 4-Stroke-Cycle Diesel
Bore
3 in
77 mm
Stroke
3.2 in
81 mm
Displacement
69 in³
1.13 l
Compression Ratio
23.0:1
Aspiration
Naturally Aspirated (NA)
Combustion System
Indirect Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
-
Engine Dimensions - Approximate
Length
19.3 in
491 mm
Width
15.7 in
400 mm
Height
22.7 in
576 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
191 lb
87 kg
Standard Equipment
Air Inlet System
Control System
Cooling System
Flywheel and Flywheel Housing
Fuel System
Lube System
General