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Cat® C4.4 Industrial Power Unit
Cat® C27 Industrial Power Unit
Cat® C32 Industrial Power Unit
Cat® C4.4 Industrial Power Unit

Power Rating

Maximum Power 129.4 HP 950 HP 1000 HP 108.6 HP
Rated Speed 2200 rpm 1800 rpm 1800 rpm 2200 rpm
Minimum Power 129.4 HP 800 HP 1000 HP 81.8 HP
Maximum Torque - 3211 lb-ft @ 1200 rpm 3825 lb-ft @ 1200 rpm -

Emission Standards

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

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel V-12, 4-Stroke-Cycle Diesel V-12 Inline 4, 4-Stroke-Cycle Diesel
Bore 4.1 in 5.7 in 5.7 in 4.1 in
Stroke 5 in 6 in 6.4 in 5 in
Displacement 268.5 in³ 1649.5 in³ 1958.9 in³ 268.5 in³
Compression Ratio 16.2:1 16.0:1 16.0:1 18.2:1
Aspiration Turbocharged Aftercooled (TA) Twin Turbocharged-Aftercooled (TTA) Twin Turbocharged Aftercooled (TTA) Turbocharged (T)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - DOC DOC -
Cycle - - 4 -
Combustion System - - Direct Injection -
Cooling System - - liquid -

Power Unit Dimensions

Length 53.5 in - 100.7 in 49.6 in
Width 29.5 in - 64.4 in 28.9 in
Height 37.9 in - 77.6 in 38 in
Weight 1146 lb - - 1025 lb
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