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SPECS SUMMARY

Maximum Power 23.8 hp (17.8 kW)
Maximum Torque 60.7 lb-ft @ 1600 rpm (82.3 Nm @ 1600 rpm)
Emissions U.S. EPA Tier 4 Final
Rated Speed 2800 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 Power 23.8 hp (17.8 kW)
Maximum Torque 60.7 lb-ft @ 1600 rpm (82.3 Nm @ 1600 rpm)
Emissions U.S. EPA Tier 4 Final
Rated Speed 2800 rpm
Minimum Power 23.8 hp (17.8 kW)
Engine Configuration In-Line 3
Bore 3 in (77 mm)
Stroke 3.2 in (81 mm)
Displacement 69 in³ (1.13 l)
Compression Ratio 22.1:1
Aspiration Naturally Aspirated (NA)/Turbocharged (T)
Combustion System Indirect Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Total Lubricating Oil Capacity 1.16 gal (US) (4.4 l)
Length 19.6 in (500 mm)
Width 20.1 in (513 mm)
Height 23.1 in (588 mm)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 238 lb (108 kg)

Benefits and Features

Manufactured in some of the world's most modern and highly-automated production facilities, the Cat® C1.1 is proven to deliver durable power and offers a wide range of customization options that refuse to compromise quality and durablity.

With a 18.4 kW (24 hp) power rating, the C1.1 and the C1.1 turbo allows OEMs to consider different installation, operating and commercial requirements. These models are particularly adapted to machines where power from a small
package is crucial. And for jobs that require that extra bit of power, there's a turbocharged option that delivers in almost any condition, at any altitude.

The stiff block and indirect injection system in the C1.1 were built for quiet so worksites are safer, operators are less
fatigued and noise levels in regulated areas aren't exceeded.

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