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Power Rating
	Cat^® C1.5 Diesel Engine View Product	Cat® C18 Industrial Power Unit View Product Remove	Cat^® 3516C Industrial Power Unit View Product Remove
Maximum Power	40.2 HP	630 HP	2100 HP
Maximum Torque	83 lb-ft @ 1800 rpm	-	-
Rated Speed	2200-3000 rpm	1800-2100	1750 rpm
Minimum Power	27.8 HP	575 HP	2100 HP
Emission Standards
Emissions	U.S. EPA Tier 4 Interim Equivalent	China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent or Non-Certified	U.S. EPA Tier 2 Nonroad equivalent emission standards (not currently EPA certified)
Engine Dimensions - Approximate
Length	22.5 in	-	129 in
Width	20.3 in	-	60 in
Height	25.3 in	-	81 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments	345 lb	-	17284 lb
General
Engine Configuration	Inline 3, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel	V-16, 4-Stroke-Cycle Diesel
Bore	3.3 in	5.7 in	6.7 in
Stroke	3.5 in	7.2 in	8.5 in
Displacement	91 in³	1104.5 in³	4760 in³
Compression Ratio	22.5:1	16.3:1	13.0:1
Aspiration	Naturally Aspirated (NA) or Turbocharged (T)	Turbocharged Aftercooled (TA)	Turbocharged Aftercooled
Combustion System	Indirect Injection	-	-
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	-	-	-
Power Unit Dimensions
Length	-	54.6 in	-
Width	-	36.3 in	-
Height	-	48.9 in	-
Weight	-	4844 lb	-