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Power Rating
	Cat^® C7.1 Diesel Engine View Product	Cat® C18 Industrial Power Unit View Product Remove	Cat^® C32 Industrial Power Unit View Product Remove	Cat® C4.4 Industrial Power Unit View Product Remove
Maximum Power	275 HP	630 HP	1000 HP	108.6 HP
Maximum Torque	774 lb-ft @ 1400 rpm	-	3825 lb-ft @ 1200 rpm	-
Rated Speed	2200-2500 rpm	1800-2100	1800 rpm	2200 rpm
Minimum Power	155.6 HP	575 HP	1000 HP	81.8 HP
Emission Standards
Emissions	China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA	China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent or Non-Certified	U.S. EPA Tier 4 Final and EU Stage V	UN ECE R96 Stage IIIA
Engine Dimensions - Approximate
Length	36.6 in	-	-	-
Width	26.3 in	-	-	-
Height	32.2 in	-	-	-
Weight - Net Dry - Basic Operating Engine Without Optional Attachments	1115 lb	-	-	-
General
Engine Configuration	In-Line 6, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel	V-12	Inline 4, 4-Stroke-Cycle Diesel
Bore	4.1 in	5.7 in	5.7 in	4.1 in
Stroke	5.3 in	7.2 in	6.4 in	5 in
Displacement	427.7 in³	1104.5 in³	1958.9 in³	268.5 in³
Aspiration	Turbocharged Aftercooled (TA)	Turbocharged Aftercooled (TA)	Twin Turbocharged Aftercooled (TTA)	Turbocharged (T)
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	-	-	DOC	-
Compression Ratio	-	16.3:1	16.0:1	18.2:1
Cycle	-	-	4	-
Combustion System	-	-	Direct Injection	-
Cooling System	-	-	liquid	-
Power Unit Dimensions
Length	-	54.6 in	100.7 in	49.6 in
Width	-	36.3 in	64.4 in	28.9 in
Height	-	48.9 in	77.6 in	38 in
Weight	-	4844 lb	-	1025 lb