Cat® C1.5 Diesel Engine

The Cat® C1.5 Industrial Diesel Engine is offered in rating 18.4 bkW (24.7 bhp) @ 1800 rpm and meet U.S. EPA Tier 4 Final emission standards. 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.

Maximum Power
24.6HP
Maximum Torque
63.4lb-ft @ 1800 rpm
Rated Speed
2200/2800 rpm
Minimum Power
24.6HP
Emissions
U.S. EPA Tier 4 Final
Engine Configuration
In-Line 3
Bore
3.3in
Stroke
3.5in
Displacement
91in³
Compression Ratio
22.5:1
Aspiration
Naturally Aspirated (NA)
Combustion System
Indirect Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
Length
22.5in
Width
17.9in
Height
25.3in
Weight – Net Dry – Basic Operating Engine Without Optional Attachments
327lb
  • Air Inlet System
    • Inlet manifold with choice of inlets.
  • Control System
    • Alternator 12 volt 65 amp
    • Starter motor 12 volt
    • Glow plug starting aid
    • Tier 4 Final: Alternator 12V 85 amp
  • Cooling System
    • Belt-driven coolant pump
    • Coolant temperature switch
    • Choice of cooling fans
  • Flywheel & Flywheel Housing
    • Naturally Aspirated: SAE No. 7 1/2 flywheel
    • Naturally Aspirated: Choice of SAE No. 4 or standard backplate flywheel housing
  • Fuel System
    • Fuel injection pump
    • Spin-on fuel filter
    • Electronic Shut-off Solenoid (ESOS)
  • Lube System
    • Alternative oil fillers
    • Spin-on lube oil filter
    • Lube oil pressure switch
    • Lube oil sump
  • Power Take Off (pto)
    • Provision for Power Take Off (PTO)
  • General
    • Cast iron, engine block
    • Cast iron exhaust manifold–side outlet
    • Cold start capability to -20° C (-4° F)
    • Gradeability 35° continuous

Coming Soon