Cat® C1.5 Diesel Engine

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. Applications powered by C1.5 engines include: Agriculture Tractors, Combines and Harvesters, Aircraft Ground Support, Bore/Drill Rigs, Chippers, Grinders, Compactors, Rollers, Compressors, Construction, Irrigation, Pumps, Turf, Landscaping, Mobile Earthmoving, Paving, Trenchers, Underground Mining, and Material Handling. C1.5 engines, with ratings: 20.9-30 bkW (28-40.2 bhp) @ 2200-3000 rpm, meet EPA Tier 4 Interim equivalent emission standards. They are available using U.S. EPA Flexibility, and for other regulated and non-regulated areas.

Units: US Metric
Power Rating
Maximum Power
40.2 HP
30 kW
Maximum Torque
83 lb-ft @ 1800 rpm
112 Nm @ 1800 rpm
Rated Speed
2200-3000 rpm
Minimum Power
27.8 HP
20.7 kW
Emission Standards
U.S. EPA Tier 4 Interim Equivalent
Engine Configuration
Inline 3, 4-Stroke-Cycle Diesel
3.3 in
84 mm
3.5 in
90 mm
91 in³
1.496 l
Compression Ratio
Naturally Aspirated (NA) or Turbocharged (T)
Combustion System
Indirect Injection
Rotation from Flywheel End
Engine Dimensions - Approximate
22.5 in
572 mm
20.3 in
512 mm
25.3 in
643 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
345 lb
157 kg
Standard Equipment
Air Inlet System
Control System
Cooling System
Flywheel & Flywheel Housing
Fuel System
Lube System
Payment Calculator

Payments calculated using this tool are estimates only and do not include applicable taxes, insurance, and other fees. Actual prices, interest rate, and payments may be different. Financing payment calculations are based on APR and term. Actual payment and terms are subject to approved credit with Cat Financial Services Corporation or other funding sources. Not all customers will qualify.