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

Power Rating

Maximum Power 129.4 HP 416 HP 456 HP
Rated Speed 2200 rpm 1800-2200 rpm 1800-2200 rpm
Minimum Power 129.4 HP 308 HP 335 HP
Maximum Torque - - 1540 lb-ft @ 1400 rpm

Emission Standards

Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA Brazil MAR-1, UN R96 Stage IIIA EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014 (Tier 4 Final) and China Nonroad IV

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 4.5 in
Stroke 5 in 5.9 in 5.9 in
Displacement 268.5 in³ 567.5 in³ 567.5 in³
Compression Ratio 16.2:1 16.5:1 17.0:1
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - DOC+DPF+SCR

Power Unit Dimensions

Length 53.5 in 83 in 83 in
Width 29.5 in 43 in 43 in
Height 37.9 in 63 in 68.5 in
Weight 1146 lb 3265 lb 3563 lb

Aftertreatment Dimensions

Width - - 34.3 in
Height - - 22.4 in
Weight - - 468 lb

Aftertreatment Dimensions*

Diameter - - 13 in
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