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Cat® C4.4 Industrial Power Unit
Cat® C7.1 Industrial Power Unit
Cat® 3516C Industrial Power Unit

Power Rating

Maximum Power 129.4 HP 275 HP 2100 HP
Rated Speed 2200 rpm 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm 1750 rpm
Minimum Power 129.4 HP 156 HP 2100 HP
Maximum Torque - 774 lb-ft @ 1400 rpm -

Emission Standards

Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA 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)

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel V-16, 4-Stroke-Cycle Diesel
Bore 4.1 in 4.1 in 6.7 in
Stroke 5 in 5.3 in 8.5 in
Displacement 268.5 in³ 427.7 in³ 4760 in³
Compression Ratio 16.2:1 16.8:1 13.0:1
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Turbocharged Aftercooled
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - -

Power Unit Dimensions

Length 53.5 in 68 in -
Width 29.5 in 31 in -
Height 37.9 in 44.8 in -
Weight 1146 lb 1737 lb -

Engine Dimensions - Approximate

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