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Power Rating
	Cat® C2.8 Industrial Power Unit View Product	Cat® C4.4 Industrial Power Unit View Product Remove	Cat^® C13 Industrial Power Unit View Product Remove
Maximum Power	74 HP	108.6 HP	536 HP
Maximum Torque	221 lb-ft @ 1600 rpm	-	-
Rated Speed	2200-2400 rpm	2200 rpm	1800-2100
Minimum Power	74 HP	81.8 HP	385 HP
Emission Standards
Emissions	EU Stage V/U.S. EPA Tier 4 Final/ Japan 2014 (Tier 4 Final)	UN ECE R96 Stage IIIA	Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3
General
Number of Cylinders	4 inline	-	-
Cycle	4 stroke	-	-
Bore	3.54 in	4.1 in	5.1 in
Stroke	4.33 in	5 in	6.2 in
Displacement	170.9 in³	268.5 in³	763 in³
Compression Ratio	17.0:1	18.2:1	17.0:1
Aspiration	Turbocharged	Turbocharged (T)	Turbocharged Aftercooled (TA)
Combustion System	Direct injection	-	-
Rotation from Flywheel End	Anti-clockwise	Counterclockwise	Counterclockwise
Aftertreatment	DOC+DPF	-	-
Cooling System	Liquid	-	-
Engine Configuration	-	Inline 4, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel
Engine Dimensions*
Length	46.9 in	-	-
Width	31.9 in	-	-
Height	38 in	-	-
Dry Weight	1126 lb	-	-
Disclaimer
Note 1	*Final dimensions dependent on selected options	-	-
Power Unit Dimensions
Length	-	49.6 in	92 in
Width	-	28.9 in	50 in
Height	-	38 in	71 in
Weight	-	1025 lb	3730 lb