Main content
Caterpillar
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 UN ECE R96 Stage IIIA 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.
Media
Photos
Details
Specifications
Power Rating
| Spec | Value |
|---|---|
| Maximum Power | 28.2 hp 21 kW |
| Maximum Torque | 49.4 lb-ft @ 2400 rpm 67 Nm @ 2400 rpm |
| Rated Speed | 3400 rpm 3400 rpm |
| Minimum Power | 19.7 hp 14.7 kW |
Emission Standards
| Spec | Value |
|---|---|
| Emissions | UN ECE R96 Stage IIIA UN ECE R96 Stage IIIA |
General
| Spec | Value |
|---|---|
| Engine Configuration | Inline 3, 4-Stroke-Cycle Diesel 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 23.0:1 |
| Aspiration | Naturally Aspirated (NA) Naturally Aspirated (NA) |
| Combustion System | Indirect Injection Indirect Injection |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
| Aftertreatment | - - |
Engine Dimensions - Approximate
| Spec | Value |
|---|---|
| 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 | 211 lb 96 kg |
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