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Power Rating
	Cat^® C11 Industrial Power Unit View Product	Cat^® 3516C Industrial Power Unit View Product Remove	Cat® C18 Industrial Power Unit (<560 kW) View Product Remove
Maximum Power	451 HP	2100 HP	630 HP
Rated Speed	1800-2100 rpm	1750 rpm	1800-2000 rpm
Minimum Power	325 HP	2100 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	U.S. EPA Tier 2 Nonroad equivalent emission standards (not currently EPA certified)	U.S. EPA Tier 4 Final, EU Stage V, China Nonroad Stage IV
General
Engine Configuration	Inline 6, 4-Stroke-Cycle Diesel	V-16, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel
Bore	5.1 in	6.7 in	5.7 in
Stroke	5.5 in	8.5 in	7.2 in
Displacement	677.4 in³	4760 in³	1104.5 in³
Compression Ratio	17.2:1	13.0:1	16.0:1
Aspiration	Turbocharged Aftercooled (TA)	Turbocharged Aftercooled	Turbocharged Aftercooled (TA)
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	-	-	DOC+DPF+SCR
Power Unit Dimensions
Length	92 in	-	99.7 in
Width	50 in	-	48.9 in
Height	71 in	-	79 in
Weight	3730 lb	-	5842 lb
Engine Dimensions - Approximate
Length	-	129 in	-
Width	-	60 in	-
Height	-	81 in	-
Weight - Net Dry - Basic Operating Engine Without Optional Attachments	-	17284 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)