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Cat® C4.4 Industrial Power Unit
Cat® C9.3B Industrial Power Unit
Cat® C11 Industrial Power Unit

Power Rating

Maximum Power 129.4 HP 416 HP 451 HP
Rated Speed 2200 rpm 1800-2200 rpm 1800-2100 rpm
Minimum Power 129.4 HP 308 HP 325 HP

Emission Standards

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

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle-Diesel Inline 6, 4-Stroke-Cycle Diesel
Bore 4.1 in 4.5 in 5.1 in
Stroke 5 in 5.9 in 5.5 in
Displacement 268.5 in³ 567.5 in³ 677.4 in³
Compression Ratio 16.2:1 16.5:1 17.2:1
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - -

Power Unit Dimensions

Length 53.5 in 83 in 92 in
Width 29.5 in 43 in 50 in
Height 37.9 in 63 in 71 in
Weight 1146 lb 3265 lb 3730 lb
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