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SPECS SUMMARY

Maximum Power25 HP (18.9 kW)
Maximum Torque63 lb-ft @ 1600 rpm (86 Nm @ 1600 rpm)
EmissionsU.S. EPA Tier 4 Final, EU Stage V
Rated Speed2200-3400 rpm
The Cat® C1.1 Industrial Diesel Engine is offered in ratings ranging from 14.4-18.4 bkW (19.3-24.7 bhp) @ 1800-2800 rpm. These ratings meet U.S. EPA Tier 4 Final emission standards. Ratings: 13.7-21.0 bkW (18.4-28.2 bhp) @ 2200-3000 rpm are also available for Europe and, depending on applicable emission standards, may be introduced in other regulated areas. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards. Industries and applications powered by C1.1 engines include: Aircraft Ground Support, Auxiliary Power Units, Bore/Drill Rigs, Chippers/Grinders, Compactors/Rollers, Construction, Forestry, General Industrial, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Light Towers, Pumps, Trenchers, Underground Mining Equipment.

Specifications

Maximum Power25 HP (18.9 kW)
Maximum Torque63 lb-ft @ 1600 rpm (86 Nm @ 1600 rpm)
EmissionsU.S. EPA Tier 4 Final, EU Stage V
Rated Speed2200-3400 rpm
Minimum Power19.3 HP (14.4 kW)
Engine ConfigurationIn-Line 3
Bore3 in (77 mm)
Stroke3.2 in (81 mm)
Displacement69 in³ (1.13 l)
Compression Ratio23.0:1
AspirationNaturally Aspirated (NA)/Turbocharged (T)
Combustion SystemIndirect Injection
Rotation from Flywheel EndCounterclockwise
Length19.3 in (491 mm)
Width15.7 in (400 mm)
Height22.7 in (576 mm)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments191 lb (87 kg)

Benefits and Features

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

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.

  • Scheduled maintenance, including SOSSM sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

Standard Equipment

  • Inlet manifold with choice of inlets.
  • Alternator 12 volt 65 amp
  • Starter motor 12 volt
  • Glow plug starting aid
  • Belt-driven coolant pump
  • Coolant temperature switch
  • SAE No. 6 1/2 flywheel
  • Choice of SAE No. 5 or standard backplate flywheel housing
  • U.S. EPA Tier 4 Final: Standard backplate flywheel housing and flatface flywheel
  • Fuel injection pump
  • Spin-on fuel filter
  • Low profile oil pan
  • Spin-on lube oil filter
  • Lube oil pressure switch
  • Provision for Power Take Off (PTO)
  • Cast iron, engine block
  • Cast iron exhaust manifold--side outlet
  • Cold start capability to -20° C (-4° F)
  • Paint: Caterpillar yellow, with optional colors available at request