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Cat® C7.1 Diesel Engine
Cat® C4.4 Industrial Power Unit

Power Rating

Maximum Power 275 HP 129.4 HP -
Maximum Torque 774 lb-ft @ 1400 rpm - -
Rated Speed 2200-2500 rpm 2200 rpm -
Minimum Power 155.6 HP 129.4 HP -

Emission Standards

Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA -

Engine Dimensions - Approximate

Length 36.6 in - -
Width 26.3 in - -
Height 32.2 in - -
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 1115 lb - -

General

Engine Configuration In-Line 6, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel -
Bore 4.1 in 4.1 in -
Stroke 5.3 in 5 in -
Displacement 427.7 in³ 268.5 in³ -
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) -
Rotation from Flywheel End Counterclockwise Counterclockwise -
Aftertreatment - - -
Compression Ratio - 16.2:1 -

Power Unit Dimensions

Length - 53.5 in -
Width - 29.5 in -
Height - 37.9 in -
Weight - 1146 lb -
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