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.

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Maximum Power 24.6 HP
Maximum Torque 63.4 lb-ft @ 1800 rpm
Rated Speed 2200/2800 rpm
Minimum Power 24.6 HP
Emissions U.S. EPA Tier 4 Final
Engine Configuration In-Line 3
Bore 3.3 in
Stroke 3.5 in
Displacement 91 in³
Compression Ratio 22.5:1
Aspiration Naturally Aspirated (NA)
Combustion System Indirect Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Length 22.5 in
Width 17.9 in
Height 25.3 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 327 lb
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