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Cat® C7.1 Industrial Power Unit
Cat® C11 Industrial Power Unit
Cat® C9.3B Industrial Power Unit

Power Rating

Maximum Power 275 HP 451 HP 416 HP
Maximum Torque 774 lb-ft @ 1400 rpm - -
Rated Speed 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm 1800-2100 rpm 1800-2200 rpm
Minimum Power 156 HP 325 HP 308 HP

Emission Standards

Emissions China Nonroad Stage III, Brazil MAR-1, 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 6, 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 5.3 in 5.5 in 5.9 in
Displacement 427.7 in³ 677.4 in³ 567.5 in³
Compression Ratio 16.8:1 17.2:1 16.5:1
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - -

Power Unit Dimensions

Length 68 in 92 in 83 in
Width 31 in 50 in 43 in
Height 44.8 in 71 in 63 in
Weight 1737 lb 3730 lb 3265 lb
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