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Power Rating
	Cat® C18 Industrial Power Unit View Product	Cat® C18 Industrial Power Unit (<560 kW) View Product Remove	Cat® C7.1 Industrial Power Unit View Product Remove
Maximum Power	630 HP	630 HP	275 HP
Rated Speed	1800-2100	1800-2000 rpm	116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm
Minimum Power	575 HP	575 HP	156 HP
Maximum Torque	-	2177 lb-ft @ 1300 rpm	774 lb-ft @ 1400 rpm
Emission Standards
Emissions	China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent or Non-Certified	U.S. EPA Tier 4 Final, EU Stage V, China Nonroad Stage IV	China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
General
Engine Configuration	Inline 6, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel
Bore	5.7 in	5.7 in	4.1 in
Stroke	7.2 in	7.2 in	5.3 in
Displacement	1104.5 in³	1104.5 in³	427.7 in³
Compression Ratio	16.3:1	16.0:1	16.8:1
Aspiration	Turbocharged Aftercooled (TA)	Turbocharged Aftercooled (TA)	Turbocharged Aftercooled (TA)
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	-	DOC+DPF+SCR	-
Power Unit Dimensions
Length	54.6 in	99.7 in	68 in
Width	36.3 in	48.9 in	31 in
Height	48.9 in	79 in	44.8 in
Weight	4844 lb	5842 lb	1737 lb
Aftertreatment Dimensions
Width	-	43.8 in	-
Height	-	25.7 in	-
Weight	-	591 lb	-
Aftertreatment Dimensions*
Diameter	-	13 in	-
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)	-