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Cat® C7.1 Industrial Power Unit
Cat® C4.4 Industrial Power Unit
Cat® C18 Industrial Power Unit

Power Rating

Maximum Power 275 HP 108.6 HP 630 HP
Maximum Torque 774 lb-ft @ 1400 rpm - -
Rated Speed 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm 2200 rpm 1800-2100
Minimum Power 156 HP 81.8 HP 575 HP

Emission Standards

Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA UN ECE R96 Stage IIIA China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent or Non-Certified

General

Engine Configuration Inline 6, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel
Bore 4.1 in 4.1 in 5.7 in
Stroke 5.3 in 5 in 7.2 in
Displacement 427.7 in³ 268.5 in³ 1104.5 in³
Compression Ratio 16.8:1 18.2:1 16.3:1
Aspiration Turbocharged Aftercooled (TA) Turbocharged (T) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - -

Power Unit Dimensions

Length 68 in 49.6 in 54.6 in
Width 31 in 28.9 in 36.3 in
Height 44.8 in 38 in 48.9 in
Weight 1737 lb 1025 lb 4844 lb
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