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Cat® C7.1 Industrial Power Unit
Cat® C9.3B Industrial Power Unit
Cat® C4.4 Industrial Power Unit

Power Rating

Maximum Power 275 HP 416 HP 129.4 HP
Maximum Torque 774 lb-ft @ 1400 rpm - -
Rated Speed 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm 1800-2200 rpm 2200 rpm
Minimum Power 156 HP 308 HP 129.4 HP

Emission Standards

Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA Brazil MAR-1, UN 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 6, 4-Stroke-Cycle-Diesel Inline 4, 4-Stroke-Cycle Diesel
Bore 4.1 in 4.5 in 4.1 in
Stroke 5.3 in 5.9 in 5 in
Displacement 427.7 in³ 567.5 in³ 268.5 in³
Compression Ratio 16.8:1 16.5:1 16.2:1
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - -

Power Unit Dimensions

Length 68 in 83 in 53.5 in
Width 31 in 43 in 29.5 in
Height 44.8 in 63 in 37.9 in
Weight 1737 lb 3265 lb 1146 lb
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