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Cat® C4.4 Diesel Engine
Cat® C18 Industrial Power Unit
Cat® C4.4 Industrial Power Unit
Cat® C27 Industrial Power Unit

Power Rating

Maximum Power 200 HP 630 HP 129.4 HP 950 HP
Maximum Torque 609 lb-ft @ 1400 rpm - - 3211 lb-ft @ 1200 rpm
Rated Speed 2200 rpm 1800-2100 2200 rpm 1800 rpm
Minimum Power 109 HP 575 HP 129.4 HP 800 HP

Emission Standards

Emissions U.S. EPA & CARB Tier 4 Final, EU Stage V China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent or Non-Certified China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA U.S. EPA Tier 4 Final, EU Stage V

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel V-12, 4-Stroke-Cycle Diesel
Bore 4.1 in 5.7 in 4.1 in 5.7 in
Stroke 5 in 7.2 in 5 in 6 in
Displacement 268.5 in³ 1104.5 in³ 268.5 in³ 1649.5 in³
Compression Ratio 16.5:1 16.3:1 16.2:1 16.0:1
Aspiration Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Twin Turbocharged-Aftercooled (TTA)
Combustion System Direct Injection - - -
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise Counterclockwise
Aftertreatment DOC+DPF+SCR - - DOC

Engine Dimensions - Approximate

Length 32.4 in - - -
Width 29.6 in - - -
Height 35.3 in - - -
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 1180 lb - - -

Aftertreatment Dimensions

Length 26.5 in - - -
Width 24.5 in - - -
Height 17.8 in - - -
Weight 143.3 lb - - -

Power Unit Dimensions

Length - 54.6 in 53.5 in -
Width - 36.3 in 29.5 in -
Height - 48.9 in 37.9 in -
Weight - 4844 lb 1146 lb -
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