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Power Rating
	Cat® C4.4 Industrial Power Unit View Product	Cat® C27 Industrial Power Unit View Product Remove	Cat® C4.4 Industrial Power Unit View Product Remove
Maximum Power	129.4 HP	950 HP	108.6 HP
Rated Speed	2200 rpm	1800 rpm	2200 rpm
Minimum Power	129.4 HP	800 HP	81.8 HP
Maximum Torque	-	3211 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	UN ECE R96 Stage IIIA
General
Engine Configuration	Inline 4, 4-Stroke-Cycle Diesel	V-12, 4-Stroke-Cycle Diesel	Inline 4, 4-Stroke-Cycle Diesel
Bore	4.1 in	5.7 in	4.1 in
Stroke	5 in	6 in	5 in
Displacement	268.5 in³	1649.5 in³	268.5 in³
Compression Ratio	16.2:1	16.0:1	18.2:1
Aspiration	Turbocharged Aftercooled (TA)	Twin Turbocharged-Aftercooled (TTA)	Turbocharged (T)
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	-	DOC	-
Power Unit Dimensions
Length	53.5 in	-	49.6 in
Width	29.5 in	-	28.9 in
Height	37.9 in	-	38 in
Weight	1146 lb	-	1025 lb