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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.
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, an…
Delivers impressive performance throughout a wide speed range while maintaining low operating costs.
Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating…
Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, airc…
Ultra-compact package size ensures ease of installation as well as exceptional power density.
Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.
Scheduled maintenance, including SOSSM sample Customer Support Agreements (CSA) Caterpillar Extended Service Cover…
Scheduled maintenance, including SOSSM sample Customer Support Agreements (CSA) Caterpillar Extended Service Cover…
Specification | Value |
Maximum Power | 21 kW |
Maximum Torque | 67 Nm @ 2400 rpm |
Rated Speed | 2200-3400 rpm |
Minimum Power | 14.7 kW |
Specification | Value |
Emissions | U.S. EPA Tier 4 Interim Equivalent |
Specification | Value |
Engine Configuration | Inline 3, 4-Stroke-Cycle Diesel |
Bore | 77 mm |
Stroke | 81 mm |
Displacement | 1.13 l |
Compression Ratio | 23.0:1 |
Aspiration | Naturally Aspirated (NA) |
Combustion System | Indirect Injection |
Rotation from Flywheel End | Counterclockwise |
Aftertreatment | - |
Specification | Value |
Length | 491 mm |
Width | 400 mm |
Height | 576 mm |
Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 87 kg |
Learn more information about the Cat Cat?� C1.1 Diesel Engine.
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