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Cat® C7.1 Industrial Power Unit
Cat® C32 Industrial Power Unit
Cat® C4.4 Industrial Power Unit

Power Rating

Maximum Power 275 HP 1000 HP 108.6 HP
Maximum Torque 774 lb-ft @ 1400 rpm 3825 lb-ft @ 1200 rpm -
Rated Speed 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm 1800 rpm 2200 rpm
Minimum Power 156 HP 1000 HP 81.8 HP

Emission Standards

Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA U.S. EPA Tier 4 Final and EU Stage V UN ECE R96 Stage IIIA

General

Engine Configuration Inline 6, 4-Stroke-Cycle Diesel V-12 Inline 4, 4-Stroke-Cycle Diesel
Bore 4.1 in 5.7 in 4.1 in
Stroke 5.3 in 6.4 in 5 in
Displacement 427.7 in³ 1958.9 in³ 268.5 in³
Compression Ratio 16.8:1 16.0:1 18.2:1
Aspiration Turbocharged Aftercooled (TA) Twin Turbocharged Aftercooled (TTA) Turbocharged (T)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - DOC -
Cycle - 4 -
Combustion System - Direct Injection -
Cooling System - liquid -

Power Unit Dimensions

Length 68 in 100.7 in 49.6 in
Width 31 in 64.4 in 28.9 in
Height 44.8 in 77.6 in 38 in
Weight 1737 lb - 1025 lb
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