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Power Rating
	Cat^® C7.1 ACERT™ Diesel Engine View Product	Cat^® C13 Industrial Power Unit View Product Remove	Cat^® C11 Industrial Power Unit View Product Remove
Maximum Power	320 HP	536 HP	451 HP
Maximum Torque	935 lb-ft @ 1400 rpm	-	-
Rated Speed	2200 rpm	1800-2100	1800-2100 rpm
Minimum Power	172 HP	385 HP	325 HP
Emission Standards
Emissions	U.S. EPA & CARB Tier 4 Final, EU Stage V	Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3	Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3
General
Engine Configuration	In-Line 6	Inline 6, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel
Bore	4.1 in	5.1 in	5.1 in
Stroke	5.3 in	6.2 in	5.5 in
Displacement	427.7 in³	763 in³	677.4 in³
Compression Ratio	16.5:1	17.0:1	17.2:1
Aspiration	Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)	Turbocharged Aftercooled (TA)	Turbocharged Aftercooled (TA)
Combustion System	Direct Injection	-	-
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	DOC+DPF+SCR	-	-
Engine Dimensions - Approximate
Length	41.9 in	-	-
Width	31.4 in	-	-
Height	35.9 in	-	-
Weight - Net Dry - Basic Operating Engine Without Optional Attachments	1658 lb	-	-
Aftertreatment Dimensions
Length	29 in	-	-
Width	30.3 in	-	-
Height	18.1 in	-	-
Weight	236 lb	-	-
Aftertreatment Dimensions*
Diameter	13.3 in	-	-
Power Unit Dimensions
Length	-	92 in	92 in
Width	-	50 in	50 in
Height	-	71 in	71 in
Weight	-	3730 lb	3730 lb