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Cat® C7.1 Industrial Power Unit
Cat® C18 Industrial Power Unit
Cat® C11 Industrial Power Unit
Cat® C32 Industrial Power Unit

Power Rating

Maximum Power 302 HP 630 HP 451 HP 1000 HP
Maximum Torque 940 lb-ft @ 1400 rpm - - 3825 lb-ft @ 1200 rpm
Rated Speed 1800-2200 rpm 1800-2100 1800-2100 rpm 1800 rpm
Minimum Power 202 HP 575 HP 325 HP 1000 HP

Emission Standards

Emissions U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent or Non-Certified Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3 U.S. EPA Tier 4 Final and EU Stage V

General

Engine Configuration Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel V-12
Bore 4.1 in 5.7 in 5.1 in 5.7 in
Stroke 5.3 in 7.2 in 5.5 in 6.4 in
Displacement 427.7 in³ 1104.5 in³ 677.4 in³ 1958.9 in³
Compression Ratio 16.5:1 16.3:1 17.2:1 16.0:1
Aspiration Series Turbocharged Aftercooled (TTA) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Twin Turbocharged Aftercooled (TTA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise Counterclockwise
Aftertreatment DOC+DPF+SCR - - DOC
Cycle - - - 4
Combustion System - - - Direct Injection
Cooling System - - - liquid

Power Unit Dimensions

Length 69.6 in 54.6 in 92 in 100.7 in
Width 36.1 in 36.3 in 50 in 64.4 in
Height 57.5 in 48.9 in 71 in 77.6 in
Weight 2204 lb 4844 lb 3730 lb -

Aftertreatment Dimensions

Length 30.4 in - - -
Width 31.2 in - - -
Height 18.4 in - - -
Weight 198 lb - - -
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