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Cat® C4.4 Industrial Power Unit
Cat® 3516C Industrial Power Unit
Cat® C32 Industrial Power Unit
Cat® C7.1 Industrial Power Unit
Cat® C18 Industrial Power Unit (<560 kW)

Power Rating

Maximum Power 129.4 HP 2100 HP 1000 HP 302 HP 630 HP
Rated Speed 2200 rpm 1750 rpm 1800 rpm 1800-2200 rpm 1800-2000 rpm
Minimum Power 129.4 HP 2100 HP 1000 HP 202 HP 575 HP
Maximum Torque - - 3825 lb-ft @ 1200 rpm 940 lb-ft @ 1400 rpm 2177 lb-ft @ 1300 rpm

Emission Standards

Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA U.S. EPA Tier 2 Nonroad equivalent emission standards (not currently EPA certified) U.S. EPA Tier 4 Final and EU Stage V U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) U.S. EPA Tier 4 Final, EU Stage V, China Nonroad Stage IV

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel V-16, 4-Stroke-Cycle Diesel V-12 Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel
Bore 4.1 in 6.7 in 5.7 in 4.1 in 5.7 in
Stroke 5 in 8.5 in 6.4 in 5.3 in 7.2 in
Displacement 268.5 in³ 4760 in³ 1958.9 in³ 427.7 in³ 1104.5 in³
Compression Ratio 16.2:1 13.0:1 16.0:1 16.5:1 16.0:1
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled Twin Turbocharged Aftercooled (TTA) Series Turbocharged Aftercooled (TTA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - DOC DOC+DPF+SCR DOC+DPF+SCR
Cycle - - 4 - -
Combustion System - - Direct Injection - -
Cooling System - - liquid - -

Power Unit Dimensions

Length 53.5 in - 100.7 in 69.6 in 99.7 in
Width 29.5 in - 64.4 in 36.1 in 48.9 in
Height 37.9 in - 77.6 in 57.5 in 79 in
Weight 1146 lb - - 2204 lb 5842 lb

Engine Dimensions - Approximate

Length - 129 in - - -
Width - 60 in - - -
Height - 81 in - - -
Weight - Net Dry - Basic Operating Engine Without Optional Attachments - 17284 lb - - -

Aftertreatment Dimensions

Length - - - 30.4 in -
Width - - - 31.2 in 43.8 in
Height - - - 18.4 in 25.7 in
Weight - - - 198 lb 591 lb

Aftertreatment Dimensions*

Diameter - - - - 13 in

PETU Dimensions - Tier 4 Final Only

Length - - - - 33.6 in
Width - - - - 11.3 in
Height - - - - 21.7 in
Weight - - - - 42.8 lb
Volume Capacity - - - - 51.1 qt (US)
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