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Power Rating
	Cat® C9.3B Diesel Engine View Product	Cat® C4.4 Industrial Power Unit View Product Remove	Cat® C7.1 Industrial Power Unit View Product Remove
Maximum Power	456 HP	129.4 HP	275 HP
Maximum Torque	1540 lb-ft @ 1400 rpm	-	774 lb-ft @ 1400 rpm
Rated Speed	1800-2200 rpm	2200 rpm	116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm
Minimum Power	335 HP	129.4 HP	156 HP
Emission Standards
Emissions	EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014, China NRIV	China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA	China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
General
Engine Configuration	In-Line 6	Inline 4, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel
Bore	4.5 in	4.1 in	4.1 in
Stroke	5.9 in	5 in	5.3 in
Displacement	567.5 in³	268.5 in³	427.7 in³
Compression Ratio	17.0:1	16.2:1	16.8:1
Aspiration	Turbocharged-Aftercooled (TA)	Turbocharged Aftercooled (TA)	Turbocharged Aftercooled (TA)
Combustion System	Direct Injection	-	-
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	DOC+DPF+SCR	-	-
Engine Dimensions - Approximate
Length	44 in	-	-
Width	31 in	-	-
Height	42 in	-	-
Weight - Net Dry - Basic Operating Engine Without Optional Attachments	1907 lb	-	-
Aftertreatment Dimensions
Length	36 in	-	-
Width	27 in	-	-
Height	17 in	-	-
Weight	211 lb	-	-
Power Unit Dimensions
Length	-	53.5 in	68 in
Width	-	29.5 in	31 in
Height	-	37.9 in	44.8 in
Weight	-	1146 lb	1737 lb