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

Power Rating

Maximum Power 129.4 HP 630 HP 456 HP 1000 HP
Rated Speed 2200 rpm 1800-2100 1800-2200 rpm 1800 rpm
Minimum Power 129.4 HP 575 HP 335 HP 1000 HP
Maximum Torque - - 1540 lb-ft @ 1400 rpm 3825 lb-ft @ 1200 rpm

Emission Standards

Emissions 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 U.S. EPA Tier 4 Final and EU Stage V

General

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

Power Unit Dimensions

Length 53.5 in 54.6 in 83 in 100.7 in
Width 29.5 in 36.3 in 43 in 64.4 in
Height 37.9 in 48.9 in 68.5 in 77.6 in
Weight 1146 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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