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Cat® C4.4 Industrial Power Unit
Cat® C32 Industrial Power Unit
Cat® C7.1 Industrial Power Unit
Cat® C18 Industrial Power Unit
Cat® C9.3B Industrial Power Unit HRC

Power Rating

Maximum Power 129.4 HP 1000 HP 275 HP 630 HP 456 HP
Rated Speed 2200 rpm 1800 rpm 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm 1800-2100 1800-2200 rpm
Minimum Power 129.4 HP 1000 HP 156 HP 575 HP 335 HP
Maximum Torque - 3825 lb-ft @ 1200 rpm 774 lb-ft @ 1400 rpm - 1540 lb-ft @ 1400 rpm

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 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 or Non-Certified EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014 (Tier 4 Final) and China Nonroad IV

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel V-12 Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle-Diesel
Bore 4.1 in 5.7 in 4.1 in 5.7 in 4.5 in
Stroke 5 in 6.4 in 5.3 in 7.2 in 5.9 in
Displacement 268.5 in³ 1958.9 in³ 427.7 in³ 1104.5 in³ 567.5 in³
Compression Ratio 16.2:1 16.0:1 16.8:1 16.3:1 17.0:1
Aspiration Turbocharged Aftercooled (TA) Twin Turbocharged Aftercooled (TTA) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - DOC - - DOC+DPF+SCR
Cycle - 4 - - -
Combustion System - Direct Injection - - -
Cooling System - liquid - - -

Power Unit Dimensions

Length 53.5 in 100.7 in 68 in 54.6 in 83 in
Width 29.5 in 64.4 in 31 in 36.3 in 43 in
Height 37.9 in 77.6 in 44.8 in 48.9 in 68.5 in
Weight 1146 lb - 1737 lb 4844 lb 3563 lb

Aftertreatment Dimensions

Width - - - - 34.3 in
Height - - - - 22.4 in
Weight - - - - 468 lb

Aftertreatment Dimensions*

Diameter - - - - 13 in
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