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Cat® C4.4 Industrial Power Unit
Cat® C7.1 Industrial Power Unit
Cat® C15 Industrial Power Unit

Power Rating

Maximum Power 108.6 HP 275 HP 540 HP
Rated Speed 2200 rpm 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm 1800-2100 rpm
Minimum Power 81.8 HP 156 HP 440 HP
Maximum Torque - 774 lb-ft @ 1400 rpm -

Emission Standards

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

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel
Bore 4.1 in 4.1 in 5.4 in
Stroke 5 in 5.3 in 6.8 in
Displacement 268.5 in³ 427.7 in³ 927.6 in³
Compression Ratio 18.2:1 16.8:1 18.0:1
Aspiration Turbocharged (T) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - -

Power Unit Dimensions

Length 49.6 in 68 in 96.4 in
Width 28.9 in 31 in 51.8 in
Height 38 in 44.8 in 103.5 in
Weight 1025 lb 1737 lb 4532 lb
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