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Cat® C7.1 Industrial Power Unit
Cat® C27 Industrial Power Unit
Cat® C9.3B Industrial Power Unit

Power Rating

Maximum Power 275 HP 950 HP 416 HP
Maximum Torque 774 lb-ft @ 1400 rpm 3211 lb-ft @ 1200 rpm -
Rated Speed 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm 1800 rpm 1800-2200 rpm
Minimum Power 156 HP 800 HP 308 HP

Emission Standards

Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA U.S. EPA Tier 4 Final, EU Stage V Brazil MAR-1, UN R96 Stage IIIA

General

Engine Configuration Inline 6, 4-Stroke-Cycle Diesel V-12, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle-Diesel
Bore 4.1 in 5.7 in 4.5 in
Stroke 5.3 in 6 in 5.9 in
Displacement 427.7 in³ 1649.5 in³ 567.5 in³
Compression Ratio 16.8:1 16.0:1 16.5:1
Aspiration Turbocharged Aftercooled (TA) Twin Turbocharged-Aftercooled (TTA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - DOC -

Power Unit Dimensions

Length 68 in - 83 in
Width 31 in - 43 in
Height 44.8 in - 63 in
Weight 1737 lb - 3265 lb
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