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Power Rating
	Cat® C18 Industrial Power Unit (<560 kW) View Product	Cat® C4.4 Industrial Power Unit View Product Remove	Cat^® C11 Industrial Power Unit View Product Remove
Maximum Power	630 HP	108.6 HP	451 HP
Maximum Torque	2177 lb-ft @ 1300 rpm	-	-
Rated Speed	1800-2000 rpm	2200 rpm	1800-2100 rpm
Minimum Power	575 HP	81.8 HP	325 HP
Emission Standards
Emissions	U.S. EPA Tier 4 Final, EU Stage V, China Nonroad Stage IV	UN ECE R96 Stage IIIA	Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3
General
Engine Configuration	Inline 6, 4-Stroke-Cycle Diesel	Inline 4, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel
Bore	5.7 in	4.1 in	5.1 in
Stroke	7.2 in	5 in	5.5 in
Displacement	1104.5 in³	268.5 in³	677.4 in³
Compression Ratio	16.0:1	18.2:1	17.2:1
Aspiration	Turbocharged Aftercooled (TA)	Turbocharged (T)	Turbocharged Aftercooled (TA)
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	DOC+DPF+SCR	-	-
Power Unit Dimensions
Length	99.7 in	49.6 in	92 in
Width	48.9 in	28.9 in	50 in
Height	79 in	38 in	71 in
Weight	5842 lb	1025 lb	3730 lb
Aftertreatment Dimensions
Width	43.8 in	-	-
Height	25.7 in	-	-
Weight	591 lb	-	-
Aftertreatment Dimensions*
Diameter	13 in	-	-
PETU Dimensions - Tier 4 Final Only
Length	33.6 in	-	-
Width	11.3 in	-	-
Height	21.7 in	-	-
Weight	42.8 lb	-	-
Volume Capacity	51.1 qt (US)	-	-