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Power Rating
	Cat^® C7.1 Industrial Power Unit View Product	Cat^® C9.3B Industrial Power Unit View Product Remove	Cat® C18 Industrial Power Unit (<560 kW) View Product Remove
Maximum Power	302 HP	416 HP	630 HP
Maximum Torque	940 lb-ft @ 1400 rpm	-	2177 lb-ft @ 1300 rpm
Rated Speed	1800-2200 rpm	1800-2200 rpm	1800-2000 rpm
Minimum Power	202 HP	308 HP	575 HP
Emission Standards
Emissions	U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final)	Brazil MAR-1, UN R96 Stage IIIA	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	4.1 in	4.5 in	5.7 in
Stroke	5.3 in	5.9 in	7.2 in
Displacement	427.7 in³	567.5 in³	1104.5 in³
Compression Ratio	16.5:1	16.5:1	16.0:1
Aspiration	Series Turbocharged Aftercooled (TTA)	Turbocharged Aftercooled (TA)	Turbocharged Aftercooled (TA)
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	DOC+DPF+SCR	-	DOC+DPF+SCR
Power Unit Dimensions
Length	69.6 in	83 in	99.7 in
Width	36.1 in	43 in	48.9 in
Height	57.5 in	63 in	79 in
Weight	2204 lb	3265 lb	5842 lb
Aftertreatment Dimensions
Length	30.4 in	-	-
Width	31.2 in	-	43.8 in
Height	18.4 in	-	25.7 in
Weight	198 lb	-	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)