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

Power Rating

Maximum Power 108.6 HP 451 HP 416 HP
Rated Speed 2200 rpm 1800-2100 rpm 1800-2200 rpm
Minimum Power 81.8 HP 325 HP 308 HP

Emission Standards

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

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 5.1 in 4.5 in
Stroke 5 in 5.5 in 5.9 in
Displacement 268.5 in³ 677.4 in³ 567.5 in³
Compression Ratio 18.2:1 17.2:1 16.5:1
Aspiration Turbocharged (T) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - -

Power Unit Dimensions

Length 49.6 in 92 in 83 in
Width 28.9 in 50 in 43 in
Height 38 in 71 in 63 in
Weight 1025 lb 3730 lb 3265 lb
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