Power Rating
| 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 |
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Industrial Diesel Engines C1.1
Request A Price Find DealerKey Specs
- Maximum Power
- 28.2 HP
- 21 kW
- Maximum Torque
- 49.4 lb-ft @ 2400 rpm
- 67 Nm @ 2400 rpm
- Emissions
- U.S. EPA Tier 4 Interim Equivalent
- U.S. EPA Tier 4 Interim Equivalent
Overview
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.
Features At A Glance
Reliable, Quiet and Durable Power
High Performance
Fuel Efficiency
Broad Application Range
Package Size
Quality
World-class Product Support Offered Through Global Cat Dealer Network
- 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
World-class Product Support Offered Through Global Cat Dealer Network
- 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
Product Specifications for C1.1
Emission Standards
| Emissions | U.S. EPA Tier 4 Interim Equivalent U.S. EPA Tier 4 Interim Equivalent |
General
| 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 | - - |
Engine Dimensions - Approximate
| 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 |
C1.1 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
See how C1.1 compares against frequently compared products.
Industrial
C1.1
Selected
- Maximum Power
- 28.2 HP
- 21 kW
- Maximum Torque
- 49.4 lb-ft @ 2400 rpm
- 67 Nm @ 2400 rpm
- Emissions
- U.S. EPA Tier 4 Interim Equivalent
- U.S. EPA Tier 4 Interim Equivalent
Industrial
C0.7
- Maximum Power
- 20.5 HP
- 15.3 kW
- Maximum Torque
- 37.1 lb-ft @ 2400 rpm
- 50.4 Nm @ 2400 rpm
- Emissions
- U.S. EPA Tier 4 Interim Equivalent
- U.S. EPA Tier 4 Interim Equivalent
Industrial
C1.5
- Maximum Power
- 40.2 HP
- 30 kW
- Maximum Torque
- 83 lb-ft @ 1800 rpm
- 112 Nm @ 1800 rpm
- Emissions
- U.S. EPA Tier 4 Interim Equivalent
- U.S. EPA Tier 4 Interim Equivalent
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