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Cat® C4.4 Industrial Power Unit
Cat® C32 Industrial Power Unit
Cat® C9.3B Industrial Power Unit
Cat® C7.1 Industrial Power Unit

Power Rating

Maximum Power 108.6 HP 1000 HP 416 HP 275 HP
Rated Speed 2200 rpm 1800 rpm 1800-2200 rpm 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm
Minimum Power 81.8 HP 1000 HP 308 HP 156 HP
Maximum Torque - 3825 lb-ft @ 1200 rpm - 774 lb-ft @ 1400 rpm

Emission Standards

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

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel V-12 Inline 6, 4-Stroke-Cycle-Diesel Inline 6, 4-Stroke-Cycle Diesel
Bore 4.1 in 5.7 in 4.5 in 4.1 in
Stroke 5 in 6.4 in 5.9 in 5.3 in
Displacement 268.5 in³ 1958.9 in³ 567.5 in³ 427.7 in³
Compression Ratio 18.2:1 16.0:1 16.5:1 16.8:1
Aspiration Turbocharged (T) Twin Turbocharged Aftercooled (TTA) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - DOC - -
Cycle - 4 - -
Combustion System - Direct Injection - -
Cooling System - liquid - -

Power Unit Dimensions

Length 49.6 in 100.7 in 83 in 68 in
Width 28.9 in 64.4 in 43 in 31 in
Height 38 in 77.6 in 63 in 44.8 in
Weight 1025 lb - 3265 lb 1737 lb
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