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Cat® C1.1 Diesel Engine
Cat® C11 Industrial Power Unit
Cat® C7.1 Industrial Power Unit

Power Rating

Maximum Power 28.2 HP 451 HP 275 HP
Maximum Torque 49.4 lb-ft @ 2400 rpm - 774 lb-ft @ 1400 rpm
Rated Speed 2200-3400 rpm 1800-2100 rpm 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm
Minimum Power 19.7 HP 325 HP 156 HP

Emission Standards

Emissions U.S. EPA Tier 4 Interim Equivalent Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3 China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA

Engine Dimensions - Approximate

Length 19.3 in - -
Width 15.7 in - -
Height 22.7 in - -
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 191 lb - -

General

Engine Configuration Inline 3, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel
Bore 3 in 5.1 in 4.1 in
Stroke 3.2 in 5.5 in 5.3 in
Displacement 69 in³ 677.4 in³ 427.7 in³
Compression Ratio 23.0:1 17.2:1 16.8:1
Aspiration Naturally Aspirated (NA) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Combustion System Indirect Injection - -
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - -

Power Unit Dimensions

Length - 92 in 68 in
Width - 50 in 31 in
Height - 71 in 44.8 in
Weight - 3730 lb 1737 lb
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