Building on the durability and reliability of the 3500 engine platform, Caterpillar Marine is pleased to offer an uprated version of the Cat 3516E Marine Propulsion Engine. The high-performance engine delivers 19% more rated power, lower ambient heat rejection, and improved acceleration time. With a focus on serviceability and digitalization, this product provides easier connectivity and installation. It is designed for small engine rooms with its reduction in weight & size and is an ideal solution for Tug, Governmental, and Yachting.


Power Range 3755-4023 bhp (2800-3000 bkW)


Speed Range 1800 rpm
Emissions IMO II
Aspiration Sequential Turbocharged / Aftercooled
Bore 6.69in
Stroke 8.46in
Displacement 4766in³
Rotation from Flywheel End Counterclockwise or clockwise from flywheel end
Configuration VEE 16, 4-Stroke Cycle Diesel

Dimensions & Weights

Length 163in
Height 89in
Width 71in
Dry Weight 24526lb

Standard Equipment

  • Standard Equipment
    • IMO II 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 Equipement
    • LECP2 Instrument Control Panel

Optional Equipment

  • Optional Attachements
    • 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