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Power Rating
	Cat® C4.4 Diesel Engine View Product	Cat® C4.4 Industrial Power Unit View Product Remove	Cat® C18 Industrial Power Unit View Product Remove	Cat^® C11 Industrial Power Unit View Product Remove
Maximum Power	111.3 HP	108.6 HP	630 HP	451 HP
Maximum Torque	308 lb-ft @ 1400 rpm	-	-	-
Rated Speed	2200-2400 rpm	2200 rpm	1800-2100	1800-2100 rpm
Minimum Power	72.4 HP	81.8 HP	575 HP	325 HP
Emission Standards
Emissions	UN ECE R96 Stage IIIA	UN ECE R96 Stage IIIA	China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent or Non-Certified	Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3
Engine Dimensions - Approximate
Length	26.1 in	-	-	-
Width	23.7 in	-	-	-
Height	30.5 in	-	-	-
Weight - Net Dry - Basic Operating Engine Without Optional Attachments	674.6 lb	-	-	-
General
Engine Configuration	Inline 4, 4-Stroke-Cycle Diesel	Inline 4, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel
Bore	4.1 in	4.1 in	5.7 in	5.1 in
Stroke	5 in	5 in	7.2 in	5.5 in
Displacement	269 in³	268.5 in³	1104.5 in³	677.4 in³
Compression Ratio	18.2:1	18.2:1	16.3:1	17.2:1
Aspiration	Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)	Turbocharged (T)	Turbocharged Aftercooled (TA)	Turbocharged Aftercooled (TA)
Combustion System	Direct Injection	-	-	-
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	-	-	-	-
Power Unit Dimensions
Length	-	49.6 in	54.6 in	92 in
Width	-	28.9 in	36.3 in	50 in
Height	-	38 in	48.9 in	71 in
Weight	-	1025 lb	4844 lb	3730 lb