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Cat® 3612 Industrial Diesel Engine
Cat® C4.4 Industrial Power Unit
Cat® C7.1 Industrial Power Unit

Power Rating

Maximum Power 4962 HP 129.4 HP 275 HP
Maximum Torque 30848 lb-ft @ 800 rpm - 774 lb-ft @ 1400 rpm
Rated Speed 750-1000 rpm 2200 rpm 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm
Minimum Power 3996 HP 129.4 HP 156 HP

Emission Standards

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

Engine Dimensions - Approximate

Length 180 in - -
Width 67 in - -
Height 127 in - -
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 55300 lb - -

General

Engine Configuration V-12, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel
Bore 11 in 4.1 in 4.1 in
Stroke 11.8 in 5 in 5.3 in
Displacement 13527 in³ 268.5 in³ 427.7 in³
Aspiration Turbocharged Aftercooled Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - -
Compression Ratio - 16.2:1 16.8:1

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
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