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Power Rating
	Cat^® C9.3B Industrial Power Unit HRC View Product	Cat^® C11 Industrial Power Unit View Product Remove	Cat® C7.1 Industrial Power Unit View Product Remove
Maximum Power	456 HP	451 HP	275 HP
Maximum Torque	1540 lb-ft @ 1400 rpm	-	774 lb-ft @ 1400 rpm
Rated Speed	1800-2200 rpm	1800-2100 rpm	116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm
Minimum Power	335 HP	325 HP	156 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	Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3	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 6, 4-Stroke-Cycle Diesel
Bore	4.5 in	5.1 in	4.1 in
Stroke	5.9 in	5.5 in	5.3 in
Displacement	567.5 in³	677.4 in³	427.7 in³
Compression Ratio	17.0:1	17.2:1	16.8:1
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	83 in	92 in	68 in
Width	43 in	50 in	31 in
Height	68.5 in	71 in	44.8 in
Weight	3563 lb	3730 lb	1737 lb
Aftertreatment Dimensions
Width	34.3 in	-	-
Height	22.4 in	-	-
Weight	468 lb	-	-
Aftertreatment Dimensions*
Diameter	13 in	-	-