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Power Rating
	Cat^® C2.2 Diesel Engine View Product	Cat® C7.1 Industrial Power Unit View Product Remove	Cat® C4.4 Industrial Power Unit View Product Remove
Maximum Power	66 HP	275 HP	108.6 HP
Maximum Torque	153 lb-ft @ 1800 rpm	774 lb-ft @ 1400 rpm	-
Rated Speed	2200-3000 rpm	116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm	2200 rpm
Minimum Power	41.6 HP	156 HP	81.8 HP
Emission Standards
Emissions	U.S. EPA Tier 4 Interim Equivalent	China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA	UN ECE R96 Stage IIIA
Engine Dimensions - Approximate
Length	26 in	-	-
Width	19.3 in	-	-
Height	27.5 in	-	-
Weight - Net Dry - Basic Operating Engine Without Optional Attachments	427.7 lb	-	-
General
Engine Configuration	Inline 4, 4-Stroke-Cycle Diesel	Inline 6, 4-Stroke-Cycle Diesel	Inline 4, 4-Stroke-Cycle Diesel
Bore	3.3 in	4.1 in	4.1 in
Stroke	3.9 in	5.3 in	5 in
Displacement	135 in³	427.7 in³	268.5 in³
Compression Ratio	23.3:1	16.8:1	18.2:1
Aspiration	Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)	Turbocharged Aftercooled (TA)	Turbocharged (T)
Combustion System	Indirect Injection	-	-
Rotation from Flywheel End	Counterclockwise	Counterclockwise	Counterclockwise
Aftertreatment	-	-	-
Power Unit Dimensions
Length	-	68 in	49.6 in
Width	-	31 in	28.9 in
Height	-	44.8 in	38 in
Weight	-	1737 lb	1025 lb