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Power Rating
	Cat^® C2.2 Diesel Engine View Product	Cat® C4.4 Industrial Power Unit View Product Remove	Cat® C18 Industrial Power Unit (<560 kW) View Product Remove
Maximum Power	74 HP	108.6 HP	630 HP
Maximum Torque	199 lb-ft @ 1600 rpm	-	2177 lb-ft @ 1300 rpm
Rated Speed	2800 rpm	2200 rpm	1800-2000 rpm
Minimum Power	60 HP	81.8 HP	575 HP
Emission Standards
Emissions	U.S. EPA & CARB Tier 4 Final, EU Stage V	UN ECE R96 Stage IIIA	U.S. EPA Tier 4 Final, EU Stage V, China Nonroad Stage IV
General
Engine Configuration	In-Line 4, 4-Stroke-Cycle Diesel	Inline 4, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel
Bore	3.3 in	4.1 in	5.7 in
Stroke	3.9 in	5 in	7.2 in
Displacement	135 in³	268.5 in³	1104.5 in³
Compression Ratio	17.0:1	18.2:1	16.0:1
Aspiration	Turbocharged (T) or Turbocharged-Aftercooled (TA)	Turbocharged (T)	Turbocharged Aftercooled (TA)
Combustion System	Direct Injection	-	-
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	DOC+DPF	-	DOC+DPF+SCR
Engine Dimensions - Approximate
Length	31.7 in	-	-
Width	20.8 in	-	-
Height	30.2 in	-	-
Weight - Net Dry - Basic Operating Engine Without Optional Attachments	509 lb	-	-
Aftertreatment Dimensions
Length	16.1 in	-	-
Weight	12.8 lb	-	591 lb
Width	-	-	43.8 in
Height	-	-	25.7 in
Aftertreatment Dimensions*
Diameter	6.1 in	-	13 in
Power Unit Dimensions
Length	-	49.6 in	99.7 in
Width	-	28.9 in	48.9 in
Height	-	38 in	79 in
Weight	-	1025 lb	5842 lb
PETU Dimensions - Tier 4 Final Only
Length	-	-	33.6 in
Width	-	-	11.3 in
Height	-	-	21.7 in
Weight	-	-	42.8 lb
Volume Capacity	-	-	51.1 qt (US)