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Power Rating
	Cat® C7.1 Industrial Power Unit View Product	Cat^® C11 Industrial Power Unit View Product Remove	Cat® C15 Industrial Power Unit View Product Remove
Maximum Power	275 HP	451 HP	580 HP
Maximum Torque	774 lb-ft @ 1400 rpm	-	1958 lb-ft @ 1400 rpm
Rated Speed	116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm	1800-2100 rpm	1800-2100 rpm
Minimum Power	156 HP	325 HP	475 HP
Emission Standards
Emissions	China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA	Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3	U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final), Korea Stage V, China Nonroad 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	5.1 in	5.4 in
Stroke	5.3 in	5.5 in	6.7 in
Displacement	427.7 in³	677.4 in³	927.6 in³
Compression Ratio	16.8:1	17.2:1	17.0:1
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	68 in	92 in	98 in
Width	31 in	50 in	48.4 in
Height	44.8 in	71 in	79 in
Weight	1737 lb	3730 lb	5842 lb
Aftertreatment Dimensions
Width	-	-	43.8 in
Height	-	-	25.8 in
Weight	-	-	591 lb
Aftertreatment Dimensions*
Diameter	-	-	14 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)