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Cat® C7.1 Industrial Power Unit
Cat® C4.4 Industrial Power Unit
Cat® C27 Industrial Power Unit
Cat® C13 Industrial Power Unit

Power Rating

Maximum Power 302 HP 108.6 HP 950 HP 536 HP
Maximum Torque 940 lb-ft @ 1400 rpm - 3211 lb-ft @ 1200 rpm -
Rated Speed 1800-2200 rpm 2200 rpm 1800 rpm 1800-2100
Minimum Power 202 HP 81.8 HP 800 HP 385 HP

Emission Standards

Emissions U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) UN ECE R96 Stage IIIA U.S. EPA Tier 4 Final, EU Stage V Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3

General

Engine Configuration Inline 6, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel V-12, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel
Bore 4.1 in 4.1 in 5.7 in 5.1 in
Stroke 5.3 in 5 in 6 in 6.2 in
Displacement 427.7 in³ 268.5 in³ 1649.5 in³ 763 in³
Compression Ratio 16.5:1 18.2:1 16.0:1 17.0:1
Aspiration Series Turbocharged Aftercooled (TTA) Turbocharged (T) Twin Turbocharged-Aftercooled (TTA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise Counterclockwise
Aftertreatment DOC+DPF+SCR - DOC -

Power Unit Dimensions

Length 69.6 in 49.6 in - 92 in
Width 36.1 in 28.9 in - 50 in
Height 57.5 in 38 in - 71 in
Weight 2204 lb 1025 lb - 3730 lb

Aftertreatment Dimensions

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