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Power Rating
	Cat^® C9.3B Industrial Power Unit HRC View Product	Cat® C27 Industrial Power Unit View Product Remove	Cat^® C11 Industrial Power Unit View Product Remove
Maximum Power	456 HP	950 HP	451 HP
Maximum Torque	1540 lb-ft @ 1400 rpm	3211 lb-ft @ 1200 rpm	-
Rated Speed	1800-2200 rpm	1800 rpm	1800-2100 rpm
Minimum Power	335 HP	800 HP	325 HP
Emission Standards
Emissions	EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014 (Tier 4 Final) and China Nonroad IV	U.S. EPA Tier 4 Final, EU Stage V	Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3
General
Engine Configuration	Inline 6, 4-Stroke-Cycle-Diesel	V-12, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel
Bore	4.5 in	5.7 in	5.1 in
Stroke	5.9 in	6 in	5.5 in
Displacement	567.5 in³	1649.5 in³	677.4 in³
Compression Ratio	17.0:1	16.0:1	17.2:1
Aspiration	Turbocharged Aftercooled (TA)	Twin Turbocharged-Aftercooled (TTA)	Turbocharged Aftercooled (TA)
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	DOC+DPF+SCR	DOC	-
Power Unit Dimensions
Length	83 in	-	92 in
Width	43 in	-	50 in
Height	68.5 in	-	71 in
Weight	3563 lb	-	3730 lb
Aftertreatment Dimensions
Width	34.3 in	-	-
Height	22.4 in	-	-
Weight	468 lb	-	-
Aftertreatment Dimensions*
Diameter	13 in	-	-