Cat C1.1 Diesel Engine

Overview

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.

C1.1 Tier 4 Diesel Engines – Highly Regulated

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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.

Maximum Power: 24hp

Maximum Torque: 63lb-ft @ 1600 rpm

Rated Speed: 2800 rpm

Minimum Power: 19.3hp

Emissions: U.S. EPA Tier 4 Final, EU Stage V

Engine Configuration: In-Line 3

Bore: 3in

Stroke: 3.2in

Displacement: 69in³

Compression Ratio: 23.0:1

Aspiration: Naturally Aspirated (NA)/Turbocharged (T)

Combustion System: Indirect Injection

Rotation from Flywheel End: Counterclockwise

Aftertreatment: –

Length: 19.3in

Width: 15.8in

Height: 22.7in

Weight – Net Dry – Basic Operating Engine Without Optional Attachments: 211lb

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
Flywheel And Flywheel Housing
- 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 System
- Fuel injection pump
- Spin-on fuel filter
Lube System
- Low profile oil pan
- Spin-on lube oil filter
- Lube oil pressure switch
Power Take Off (pto)
- Provision for Power Take Off (PTO)
General
- 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

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Cat C1.1 Diesel Engine

Overview

C1.1 Tier 4 Diesel Engines – Highly Regulated

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