Home / Power Systems / Industrial / Cat® C1.1 Diesel Engine
C1.1 Tier 4 Diesel Engines - Highly Regulated

Cat® C1.1 Diesel Engine

Industrial
Industrial (85)

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.

Download Product Brochure Print
Reliable power
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.
Compact size
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 powe...
Quiet work
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.
Reliable power
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.
Compact size
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.
Quiet work
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.
1 of 3 items

General

Engine Configuration
In-Line 3, 4-Stroke-Cycle Diesel
Cooling System Capacity
1.9 L (2 qt)
Lube System (refill)
3.4-4.4 L (3.6-4.6 qt)
Bore
3in
Stroke
3.2in
Displacement
69in³
Aspiration
Naturally Aspirated (NA)/Turbocharged (T)
Compression Ratio
23.0:1
Combustion System
Indirect Injection
Rotation from Flywheel End
Counterclockwise
Engine Configuration
In-Line 3
Bore
77 mm (3.03 in)
Stroke
81 mm (3.19 in)
Displacement
1.13 L (69 in³)
Cooling System - Capacity
1.9 L (2 qt)
Lube System - Refill
3.4-4.4 L (3.6-4.6 qt)
Aftertreatment
-

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Length
491 mm (19.33 in)
Width
400 mm (15.74 in)
Height
576 mm (22.7 in)
Weight - Net Dry (Basic Operating Engine Without Optional Attachments)
87 kg (191 lb)

Power Rating

Minimum Power
19.3HP
Maximum Power
24HP
Rated Speed
2800 rpm
Maximum Torque
63lb-ft @ 1600 rpm

Emission Standards

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

Engine Dimensions - Approximate

Height
576 mm (22.7 in)
Length
491 mm (19.33 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
87 kg (191 lb)
Width
400 mm (15.74 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
211lb
Width
15.8in
Length
19.3in
Height
22.7in

Standard/Optional Features

Standard Equipment:

  • 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

Optional Equipment:

Take The Virtual Product Tour To Explore The Features And Benefits of the Cat® C1.1 Diesel Engine

See how C1.1 compares against frequently compared products

C1.1 Industrial

Selected Model

C0.5 Industrial

View Full Specs

C0.7 Industrial

View Full Specs

Compare with other Cat Models

Compare Now

Tools and expert help at every turn

View Specials

Rental Options

Used Options

Find Your Local Branch

Media Gallery

Check out our current offers

View Specials