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Caterpillar

Cat® C1.1 Diesel Engine

Cat® C1.1 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. 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. C1.1 engines, with ratings: 13.7-21 bkW (18.4-28 bhp) @ 2200-3400 rpm, meet EPA Tier 4 Interim equivalent emission standards. They are available using U.S. EPA Flexibility and for Europe and, depending on applicable emission standards, may be introduced in other regulated and non-regulated areas.

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Features

Details

Specifications

Spec Value
Maximum Power 28.2 HP 21 kW
Maximum Torque 49.4 lb-ft @ 2400 rpm 67 Nm @ 2400 rpm
Rated Speed 2200-3400 rpm 2200-3400 rpm
Minimum Power 19.7 HP 14.7 kW
Spec Value
Emissions U.S. EPA Tier 4 Interim Equivalent U.S. EPA Tier 4 Interim Equivalent
Spec Value
Engine Configuration Inline 3, 4-Stroke-Cycle Diesel 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 23.0:1
Aspiration Naturally Aspirated (NA) Naturally Aspirated (NA)
Combustion System Indirect Injection Indirect Injection
Rotation from Flywheel End Counterclockwise Counterclockwise
Aftertreatment - -
Spec Value
Length 19.3 in 491 mm
Width 15.7 in 400 mm
Height 22.7 in 576 mm
Weight – Net Dry – Basic Operating Engine Without Optional Attachments 191 lb 87 kg

Standard Equipment

Air Inlet System

  • Inlet manifold with choice of inlets.

Control System

  • Alternator 12 volt 40 amp
  • Starter motor 12 volt
  • Glow plug starting aid

Cooling System

  • Belt-driven coolant pump
  • Coolant temperature switch

Flywheel and Flywheel Housing

  • SAE No. 6 1/2 flywheel
  • Choice of SAE No. 5 or standard backplate flywheel housing

Fuel System

  • Fuel injection pump
  • Spin-on fuel filter
  • Electronic Shut-off Solenoid (ESOS)

Lube System

  • Low profile oil pan
  • Spin-on lube oil filter
  • Lube oil pressure switch

General

  • Cast iron, engine block
  • Cast iron exhaust manifold–side outlet
  • Paint: Caterpillar yellow, with optional colors available at request

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