C1.1

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SPECS SUMMARY

Maximum Power 28.2 hp (21 kW)
Maximum Torque 49.4 lb-ft @ 2400 rpm (67 Nm @ 2400 rpm)
Emissions UN ECE R96 Stage IIIA
Rated Speed 3400 rpm
The C1.1 Industrial Diesel Engine is offered in ratings ranging from 13.7-21.0 bkW (18.4-28.2 bhp) @ 2200-3400 rpm. These ratings meet UN ECE R96 Stage IIIA emission standards. They are also available for Europe and, depending on applicable emission standards, may be introduced in other regulated and non-regulated areas. 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 and Underground Mining Equipment.

Specifications

Maximum Power 28.2 hp (21 kW)
Maximum Torque 49.4 lb-ft @ 2400 rpm (67 Nm @ 2400 rpm)
Emissions UN ECE R96 Stage IIIA
Rated Speed 3400 rpm
Minimum Power 19.7 hp (14.7 kW)
Length 19.3 in (491 mm)
Engine Configuration Inline 3, 4-Stroke-Cycle Diesel
Bore 3 in (77 mm)
Stroke 3.2 in (81 mm)
Displacement 69 in³ (1.13 l)
Compression Ratio 23.0:1
Aspiration Naturally Aspirated (NA)
Combustion System Indirect Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Width 15.7 in (400 mm)
Height 22.7 in (576 mm)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 211 lb (96 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.

Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.

  • 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

  • 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 40 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
  • Fuel injection pump
  • Spin-on fuel filter
  • Electronic Shut-off Solenoid (ESOS)
  • Low profile oil pan
  • Spin-on lube oil filter
  • Lube oil pressure switch
  • Cast iron, engine block
  • Cast iron exhaust manifold--side outlet
  • Paint: Caterpillar yellow, with optional colors available at request