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The Cat® 3516E High Output (HO) commercial propulsion engine is engineered for demanding workboat operations that require immediate response, sustained power, and operational flexibility. With high torque at low rpm, rapid throttle response, and ratings up to 4023 bhp (3000 bkW) the 3516E (HO) delivers power on demand while simplifying vessel integration and supporting evolving emissions requirements across global operating environments.
Request a QuoteApplicationWorkboat
Speed Range1800 rpm
EmissionsIMO II/ IMO III
AspirationSequential Turbocharged / Aftercooled
Bore6.69in
Stroke8.46in
Displacement4766in³
Rotation from Flywheel EndCounterclockwise or Clockwise
ConfigurationV 16, 4-Stroke Cycle Diesel
Length123in
Height89in
Width71in
Dry Weight25353lb
Power Range3151 - 4023 bhp (2350 - 3000 bkW)
Standard
IMO II /IMO III Emissions
Corrosion resistant aftercooler core
Sequential Water-Cooled Turbochargers
Water Cooled Exhaust Manifold
Vibration Damper and Guard
Duplex Fuel Filtration
Self-Cleaning, Centrifugal Oil Filtration
Serviceable Hard Heat Shields
Dual A5 Engine Control Modules
Meets SOLAS Regulations
Standard
LECP2 Instrument Control Panel
Optional
Rear Mounted Plate-type Heat Exchanger
SCAC & Jacket Water Expansion Tank
Marine Classification Society Compliance
Power Take-off
Certified Marine Alarm & Protection System
LECP3 Instrument Control Panel
Sea Water Auxiliary Pump
Mounting Rails
CW or CCW Rotation
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