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Cat® C4.4 Diesel Engine
Cat® C4.4 Industrial Power Unit
Cat® C27 Industrial Power Unit

Power Rating

Maximum Power 111.3 HP 108.6 HP 950 HP
Maximum Torque 308 lb-ft @ 1400 rpm - 3211 lb-ft @ 1200 rpm
Rated Speed 2200-2400 rpm 2200 rpm 1800 rpm
Minimum Power 72.4 HP 81.8 HP 800 HP

Emission Standards

Emissions UN ECE R96 Stage IIIA UN ECE R96 Stage IIIA U.S. EPA Tier 4 Final, EU Stage V

Engine Dimensions - Approximate

Length 26.1 in - -
Width 23.7 in - -
Height 30.5 in - -
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 674.6 lb - -

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel V-12, 4-Stroke-Cycle Diesel
Bore 4.1 in 4.1 in 5.7 in
Stroke 5 in 5 in 6 in
Displacement 269 in³ 268.5 in³ 1649.5 in³
Compression Ratio 18.2:1 18.2:1 16.0:1
Aspiration Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA) Turbocharged (T) Twin Turbocharged-Aftercooled (TTA)
Combustion System Direct Injection - -
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - DOC

Power Unit Dimensions

Length - 49.6 in -
Width - 28.9 in -
Height - 38 in -
Weight - 1025 lb -
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