Cat® C1.5 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 C1.5 engines include: Aircraft Ground Support, Auxiliary Power Units, Bore/Drill Rigs, Chippers and Grinders, Compactors/Rollers, Construction, Forestry, General Industrial, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Light Towers, Pumps, Trenchers, Turf and Landscaping, Underground Mining Equipment and Welders. C1.5 engines, with rating 18.4 bkW (24.7 bhp) @ 1800 rpm meet U.S. EPA Tier 4 Final emission standards. This information about Emissions describes the particular rating's emissions technology. For more information about emissions certification, please contact your local Cat dealer.
| Emissions | U.S. EPA Tier 4 Final U.S. EPA Tier 4 Final | More |
| Engine Configuration | In-Line 3, 4-Stroke-Cycle Diesel In-Line 3, 4-Stroke-Cycle Diesel | More |
| Bore | 84 mm (3.3 in) 84 mm (3.3 in) | More |
| Stroke | 90 mm (3.5 in) 90 mm (3.5 in) | More |
| Displacement | 1.496 L (91 in³) 1.496 L (91 in³) | More |
| Aspiration | Naturally Aspirated (NA) or Turbocharged (T) Naturally Aspirated (NA) or Turbocharged (T) | More |
| Compression Ratio | 22.5:1 22.5:1 | More |
| Combustion System | Indirect Injection Indirect Injection | More |
| Rotation from Flywheel End | Counterclockwise Counterclockwise | More |
| Cooling System - Capacity | 2.6 L (2.75 qt) 2.6 L (2.75 qt) | More |
| Lube System - Refill | 6 L (6.3 qt) 6 L (6.3 qt) | More |
| Height | 643 mm (25.3 in) 643 mm (25.3 in) | More |
| Length | 572 mm (22.5 in) 572 mm (22.5 in) | More |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 149-156.5 kg (328.5-345 lb) 149-156.5 kg (328.5-345 lb) | More |
| Width | 453-512 mm (17.8-20.2 in) 453-512 mm (17.8-20.2 in) | More |
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
Substantial torque rise 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 costs.
Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.
Ultra-compact package size ensures ease of installation as well as exceptional power density.