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Power Rating
	Cat^® C7.1 Diesel Engine View Product	Cat^® C15 Industrial Power Unit View Product Remove	Cat® C18 Industrial Power Unit View Product Remove	Cat® C27 Industrial Power Unit View Product Remove
Maximum Power	217 HP	540 HP	630 HP	950 HP
Maximum Torque	663 lb-ft @ 1400 rpm	-	-	3211 lb-ft @ 1200 rpm
Rated Speed	1950-2200 rpm	1800-2100 rpm	1800-2100	1800 rpm
Minimum Power	150 HP	440 HP	575 HP	800 HP
Emission Standards
Emissions	China Nonroad Stage III, UN ECE R96 Stage IIIA	China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent	China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent or Non-Certified	U.S. EPA Tier 4 Final, EU Stage V
Engine Dimensions - Approximate
Length	44.9 in	-	-	-
Width	28.4 in	-	-	-
Height	32.3 in	-	-	-
Weight - Net Dry - Basic Operating Engine Without Optional Attachments	1118 lb	-	-	-
General
Engine Configuration	Inline 6, 4-Stroke-Cycle	Inline 6, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel	V-12, 4-Stroke-Cycle Diesel
Bore	4.1 in	5.4 in	5.7 in	5.7 in
Stroke	5.3 in	6.8 in	7.2 in	6 in
Displacement	427.7 in³	927.6 in³	1104.5 in³	1649.5 in³
Compression Ratio	18.2:1	18.0:1	16.3:1	16.0:1
Aspiration	Turbocharged Aftercooled (TA)	Turbocharged Aftercooled (TA)	Turbocharged Aftercooled (TA)	Twin Turbocharged-Aftercooled (TTA)
Combustion System	Direct Injection	-	-	-
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	-	-	-	DOC
Power Unit Dimensions
Length	-	96.4 in	54.6 in	-
Width	-	51.8 in	36.3 in	-
Height	-	103.5 in	48.9 in	-
Weight	-	4532 lb	4844 lb	-