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Power Rating
	Cat^® C11 Industrial Diesel Engine View Product	Cat^® C13 Industrial Power Unit View Product Remove	Cat® C4.4 Industrial Power Unit View Product Remove
Maximum Power	451 HP	536 HP	108.6 HP
Maximum Torque	1516 lb-ft @ 1400 rpm	-	-
Rated Speed	1800-2100 rpm	1800-2100	2200 rpm
Minimum Power	325 HP	385 HP	81.8 HP
Emission Standards
Emissions	China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA, U.S. EPA Tier 3	Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3	UN ECE R96 Stage IIIA
Engine Dimensions - Approximate
Length	47 in	-	-
Width	42 in	-	-
Height	47 in	-	-
Weight - Net Dry - Basic Operating Engine Without Optional Attachments	2050 lb	-	-
General
Engine Configuration	Inline 6, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel	Inline 4, 4-Stroke-Cycle Diesel
Bore	5.1 in	5.1 in	4.1 in
Stroke	5.5 in	6.2 in	5 in
Displacement	677.4 in³	763 in³	268.5 in³
Compression Ratio	17.2:1	17.0:1	18.2:1
Aspiration	Turbocharged Aftercooled (TA)	Turbocharged Aftercooled (TA)	Turbocharged (T)
Combustion System	Direct Injection	-	-
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	-	-	-
Power Unit Dimensions
Length	-	92 in	49.6 in
Width	-	50 in	28.9 in
Height	-	71 in	38 in
Weight	-	3730 lb	1025 lb