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C1.1

Industrial Diesel Engines

The C1.1 Industrial Diesel Engine is offered in ratings ranging from 13.7-21.0 bkW (18.4-28.2 bhp) @ 2200-3000 rpm. These ratings meet EPA Tier 4 Final emission standards. They are also available for Europe and, depending on applicable emission standards, may be introduced in other regulated and non-regulated areas. 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.

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Maximum Power 21 kW
Maximum Torque 67 Nm @ 2400 rpm
Rated Speed 2200-3400 rpm
Minimum Power 14.7 kW
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C1.1
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FEATURES & BENEFITS

Reliable, Quiet and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life. Read more

High Performance

Delivers impressive performance throughout a wide speed range while maintaining low operating costs. Read more

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs. Read more

Broad Application Range

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industria... Read more

Package Size

Ultra-compact package size ensures ease of installation as well as exceptional power density. Read more

Quality

Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction. Read more

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... Read more

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... Read more

SPECIFICATIONS FOR C1.1

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Power Rating
Maximum Power 21 kW
Maximum Torque 67 Nm @ 2400 rpm
Rated Speed 2200-3400 rpm
Minimum Power 14.7 kW
Emission Standards
Emissions U.S. EPA Tier 4 Interim Equivalent
General
Engine Configuration Inline 3, 4-Stroke-Cycle Diesel
Bore 77 mm
Stroke 81 mm
Displacement 1.13 l
Compression Ratio 23.0:1
Aspiration Naturally Aspirated (NA)
Combustion System Indirect Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Engine Dimensions - Approximate
Length 491 mm
Width 400 mm
Height 576 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 87 kg

SELECT MODELS TO COMPARE

Industrial Diesel Engines

3512B

Maximum Power 1231 kW
Maximum Torque 7180 Nm @ 1450 rpm
Rated Speed 1800 rpm
Minimum Power 1119 kW
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Industrial Diesel Engines

3612

Maximum Power 3700 kW
Maximum Torque 41822 Nm @ 800 rpm
Rated Speed 750-1000 rpm
Minimum Power 2980 kW
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Industrial Diesel Engines

3516E

Maximum Power 1566 kW
Maximum Torque 11220 Nm @ 1200 rpm
Rated Speed 1650 rpm
Minimum Power 1566 kW
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Industrial Diesel Engines

C9.3B

Maximum Power 340 kW
Maximum Torque 2088 Nm @ 1400 rpm
Rated Speed 1800-2200 rpm
Minimum Power 250 kW
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Industrial Diesel Engines

C3.4B, Greater than 56 kW (75 hp)

Maximum Power 90 kW
Rated Speed 2200 & 2500 rpm
Minimum Power 63 kW
Emissions U.S. EPA Tier 4 Final
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Industrial Diesel Engines

C0.5

Maximum Power 10.2 kW
Maximum Torque 29.7 Nm @ 2600 rpm
Rated Speed 2000-3600 rpm
Minimum Power 8.2 kW
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Industrial Diesel Engines

C4.4

Maximum Power 150 kW
Maximum Torque 825 Nm @ 1400 rpm
Rated Speed 2200 rpm
Minimum Power 82 kW
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Industrial Diesel Engines

3508

Maximum Power 746 kW
Maximum Torque 4263 Nm @ 1450 rpm
Rated Speed 1200-1800 rpm
Minimum Power 507 kW
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