C1.5

Maximum Power
40.2 HP / 30 kW
Maximum Torque
83 lb-ft @ 1800 rpm / 112 Nm @ 1800 rpm
Minimum Power
27.8 HP / 20.7 kW

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.

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
Emissions U.S. EPA Tier 4 Interim Equivalent
General
Engine Configuration Inline 3, 4-Stroke-Cycle Diesel
Bore 3.3 in / 84 mm
Stroke 3.5 in / 90 mm
Displacement 91 in³ / 1.496 l
Compression Ratio 22.5:1
Aspiration Naturally Aspirated (NA) or Turbocharged (T)
Combustion System Indirect Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Engine Dimensions - Approximate
Length 22.5 in / 572 mm
Width 20.3 in / 512 mm
Height 25.3 in / 643 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 345 lb / 157 kg

Standard Equipment

  • Air Inlet System
    • Inlet manifold with choice of inlets.
  • Control System
    • Alternator 12 volt 65 amp
    • Starter motor 12 volt
    • Glow plug starting aid
  • Cooling System
    • Belt-driven coolant pump
    • Coolant temperature switch
    • Choice of cooling fans
  • Flywheel & Flywheel Housing
    • Naturally Aspirated: SAE No. 7 1/2 flywheel
    • Turbocharged: SAE No. 6 1/2 or SAE No. 7 1/2 flywheel
    • Naturally Aspirated: Choice of SAE No. 4 or standard backplate flywheel housing
    • Turbocharged: Choice of SAE No. 4 or SAE No. 5 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
  • General
    • Cast iron, engine block
    • Cast iron exhaust manifold--side outlet
    • Cold start capability to -20° C (-4° F)
    • Gradeability 35° continuous
    • Paint: Caterpillar yellow, with optional colors available at request
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