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

Power Rating

Maximum Power 416 HP 108.6 HP 129.4 HP
Rated Speed 1800-2200 rpm 2200 rpm 2200 rpm
Minimum Power 308 HP 81.8 HP 129.4 HP

Emission Standards

Emissions Brazil MAR-1, UN R96 Stage IIIA UN ECE R96 Stage IIIA China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA

General

Engine Configuration Inline 6, 4-Stroke-Cycle-Diesel Inline 4, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel
Bore 4.5 in 4.1 in 4.1 in
Stroke 5.9 in 5 in 5 in
Displacement 567.5 in³ 268.5 in³ 268.5 in³
Compression Ratio 16.5:1 18.2:1 16.2:1
Aspiration Turbocharged Aftercooled (TA) Turbocharged (T) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - -

Power Unit Dimensions

Length 83 in 49.6 in 53.5 in
Width 43 in 28.9 in 29.5 in
Height 63 in 38 in 37.9 in
Weight 3265 lb 1025 lb 1146 lb
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