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Cat<sup>®</sup> C1.1 Diesel Engine
Cat® C1.1 Diesel Engine
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The Cat® C1.1 Industrial Diesel Engine is offered in ratings ranging from 14.4-18.4 bkW (19.3-24.7 bhp) @ 1800-2800 rpm. These ratings meet U.S. EPA Tier 4 Final emission standards. Ratings: 13.7-21.0 bkW (18.4-28.2 bhp) @ 2200-3000 rpm are also available for Europe and, depending on applicable emission standards, may be introduced in other regulated areas. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards. 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, Underground Mining Equipment.

Standard Equipment


77 mm (3.03 in)
81 mm (3.19 in)
1.13 L (69 in³)
Combustion System
Indirect Injection
Compression Ratio
Rotation from Flywheel End
Cooling System - Capacity
1.9 L (2 qt)
Lube System - Refill
3.4-4.4 L (3.6-4.6 qt)
Naturally Aspirated (NA)
Engine Configuration
In-Line 3, 4-Stroke-Cycle Diesel

Emission Standards

14.7-18.4 bkW (19.7-24.7 bhp) meet U.S. EPA Tier 4 Final. Other ratings available for Europe and other regions.

Power Rating

Minimum Power
19.3 BHP
Maximum Power
28.2 BHP
Rated Speed
2200-3400 rpm

Engine Dimensions - Approximate

Weight - Net Dry - Basic Operating Engine Without Optional Attachments
87 kg (191 lb)
576 mm (22.7 in)
400 mm (15.74 in)
491 mm (19.33 in)
  • Air Inlet System
  • Control System
  • Cooling System
  • Flywheel and Flywheel Housing
  • Fuel System
  • Lube System
  • Power Take Off (PTO)
  • General