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Cat® C4.4 Industrial Power Unit
Cat® C9.3B Industrial Power Unit
Cat® C11 Industrial Power Unit
Cat® C18 Industrial Power Unit (<560 kW)

Power Rating

Maximum Power 129.4 HP 416 HP 451 HP 630 HP
Rated Speed 2200 rpm 1800-2200 rpm 1800-2100 rpm 1800-2000 rpm
Minimum Power 129.4 HP 308 HP 325 HP 575 HP
Maximum Torque - - - 2177 lb-ft @ 1300 rpm

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 U.S. EPA Tier 4 Final, EU Stage V, China Nonroad Stage IV

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 6, 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 5.7 in
Stroke 5 in 5.9 in 5.5 in 7.2 in
Displacement 268.5 in³ 567.5 in³ 677.4 in³ 1104.5 in³
Compression Ratio 16.2:1 16.5:1 17.2:1 16.0:1
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - - DOC+DPF+SCR

Power Unit Dimensions

Length 53.5 in 83 in 92 in 99.7 in
Width 29.5 in 43 in 50 in 48.9 in
Height 37.9 in 63 in 71 in 79 in
Weight 1146 lb 3265 lb 3730 lb 5842 lb

Aftertreatment Dimensions

Width - - - 43.8 in
Height - - - 25.7 in
Weight - - - 591 lb

Aftertreatment Dimensions*

Diameter - - - 13 in

PETU Dimensions - Tier 4 Final Only

Length - - - 33.6 in
Width - - - 11.3 in
Height - - - 21.7 in
Weight - - - 42.8 lb
Volume Capacity - - - 51.1 qt (US)
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