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Power Rating
	Cat^® C11 Industrial Power Unit View Product	Cat^® C13 Industrial Power Unit View Product Remove	Cat® C18 Industrial Power Unit (<560 kW) View Product Remove
Maximum Power	451 HP	536 HP	630 HP
Rated Speed	1800-2100 rpm	1800-2100	1800-2000 rpm
Minimum Power	325 HP	385 HP	575 HP
Maximum Torque	-	-	2177 lb-ft @ 1300 rpm
Emission Standards
Emissions	Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3	Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3	U.S. EPA Tier 4 Final, EU Stage V, China Nonroad Stage IV
General
Engine Configuration	Inline 6, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel
Bore	5.1 in	5.1 in	5.7 in
Stroke	5.5 in	6.2 in	7.2 in
Displacement	677.4 in³	763 in³	1104.5 in³
Compression Ratio	17.2:1	17.0:1	16.0:1
Aspiration	Turbocharged Aftercooled (TA)	Turbocharged Aftercooled (TA)	Turbocharged Aftercooled (TA)
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	-	-	DOC+DPF+SCR
Power Unit Dimensions
Length	92 in	92 in	99.7 in
Width	50 in	50 in	48.9 in
Height	71 in	71 in	79 in
Weight	3730 lb	3730 lb	5842 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)