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Power Rating
	Cat® C18 Industrial Power Unit View Product	Cat® C18 Industrial Power Unit (<560 kW) View Product Remove	Cat® C4.4 Industrial Power Unit View Product Remove
Maximum Power	630 HP	630 HP	129.4 HP
Rated Speed	1800-2100	1800-2000 rpm	2200 rpm
Minimum Power	575 HP	575 HP	129.4 HP
Maximum Torque	-	2177 lb-ft @ 1300 rpm	-
Emission Standards
Emissions	China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent or Non-Certified	U.S. EPA Tier 4 Final, EU Stage V, China Nonroad Stage IV	China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
General
Engine Configuration	Inline 6, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel	Inline 4, 4-Stroke-Cycle Diesel
Bore	5.7 in	5.7 in	4.1 in
Stroke	7.2 in	7.2 in	5 in
Displacement	1104.5 in³	1104.5 in³	268.5 in³
Compression Ratio	16.3:1	16.0:1	16.2:1
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	54.6 in	99.7 in	53.5 in
Width	36.3 in	48.9 in	29.5 in
Height	48.9 in	79 in	37.9 in
Weight	4844 lb	5842 lb	1146 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)	-