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Commercial Propulsion Engines

Industry-leading technology allows Caterpillar to create the most reliable commercial engines for a variety of applications. From tugs and container vessels to yachts and sport fishers, Cat and MaK engines have demonstrated their efficiency countless times. With remarkable reliability and durability, these engines will exceed your expectations for decades.

Cat 3516B Marine Propulsion Engine

The 3516B marine propulsion engine includes the Advanced Diesel Engine Management System II, Control Monitoring Protection System, Customer Communication Module, and Digital Voltage Regulator. Benefits include improved fuel economy, reduced visible and gaseous emissions, enhanced diagnostic and monitoring capabilities, and increased rated output with no reduction in reliability. High displacement (HD) ratings, high performance ratings, and wide operating speed range (WOSR) ratings are available within this power range.

  • Specification Summary

  • Power Range 1650-2200 bhp (1230-1640 bkW)
  • Speed Range 1200-1800 rpm
  • Emissions IMO I
  • Aspiration TTA

Product Details

Power Rating

Power Range 1650-2200 bhp (1230-1640 bkW)

Engine Specifications

Speed Range 1200-1800 rpm
Emissions IMO I
Aspiration TTA
Bore 170 mm
Stroke 190 mm
Displacement 69 L
Rotation (from flywheel end) Counterclockwise or Clockwise
Configuration Vee 16, 4-Stroke-Cycle Diesel

Dimensions & Weights

Minimum Dry Weight 7795 kg
Minimum Length 3349 mm
Maximum Length 3725 mm
Minimum Height 1753 mm
Maximum Height 2091 mm
Minimum Width 1703 mm
Maximum Width 2053 mm
  • Air Inlet System
    •  Sea Water Aftercooler core, copper-nickel tubes, copper fins, for sea water/air environment
    •  Air cleaners, high performance
    •  Turbocharger, watercooled bearing housings, 152 mm (6 in) OD straight connection
  • Control System
    •  Dual Caterpillar A-III Electronic Engine Control, LH with Electronic Unit Injector Fuel System
    •  Rigid Wiring Harness (10 amps DC power required to drive Electronic Engine Control Module)
  • Cooling System
    •  Oil cooler
    •  Air separator (deaerator), shipped loose
    •  Thermostats and housing, Full open temperature 92 C (198 F) LH outlet
    •  Jacket water pump, gear driven, centrifugal
    •  Auxiliary sea water pump, Self-priming
    •  Coolant shunt tank, not installed
  • Oil cooler
    • Air separator (deaerator), shipped loose
      • Thermostats and housing, Full open temperature 92 C (198 F) LH outlet
        • Jacket water pump, gear driven, centrifugal
          • Auxiliary sea water pump, Self-priming
            • Coolant shunt tank, not installed
              • Exhaust System
                •  Dry gas tight manifold with Thermo-laminated heat shields
                •  Dual Turbochargers with watercooled bearings and heat shields
                •  Exhaust outlet, vertical, 356 mm (14 in) round flanged outlet
              • Dry gas tight manifold with Thermo-laminated heat shields
                • Dual Turbochargers with watercooled bearings and heat shields
                  • Exhaust outlet, vertical, 356 mm (14 in) round flanged outlet
                    • Flywheels & Flywheel Housings
                      •  Flywheel, SAE No. 00, 183 teeth
                      •  Flywheel housing, SAE No. 00
                    • Fuel System
                      •  Fuel filters, Dual spin-on, with service indicators, Front Mounted
                      •  Fuel transfer pump
                      •  Electronically Controlled Unit Injectors
                    • Instrumentation
                      •  Graphical Unit (Marine Power Display) for analog or digital display of: Engine Oil Pressure, Engine Water Temperature, Fuel Pressure, System DC Voltage, Air Inlet Restriction ,RH & LH Exhaust Temperature (prior to turbocharger), Fuel Filter Differentia
                    • Lube System
                      •  Crankcase breather; Top mounted
                      •  Oil filter, Four spin-on, front mounted
                      •  Oil filler and dipstick, RH
                      •  Rear sump oil pan, aluminum
                      •  Oil pump, gear type, scavenge
                      •  Oil pump, gear type
                    • Crankcase breather; Top mounted
                      • Oil filter, Four spin-on, front mounted
                        • Oil filler and dipstick, RH
                          • Rear sump oil pan, aluminum
                            • Oil pump, gear type, scavenge
                              • Oil pump, gear type
                                • Mounting System
                                  •  Front trunnion
                                  •  Rear pads on sides of flywheel housing
                                • Power Take-offs
                                  •  Accessory drive on standard rotation engines: lower RH, lower LH
                                  •  Accessory drive on opposite rotation engines: upper and lower RH, lower LH
                                  •  Front housing, Two-sided
                                • Accessory drive on standard rotation engines: lower RH, lower LH
                                  • Accessory drive on opposite rotation engines: upper and lower RH, lower LH
                                    • Front housing, Two-sided
                                      • Protection System
                                        •  A-III Electronic Monitoring System provides customer programmable engine de-ration strategies to protect against adverse operatingons conditions
                                        •  Emergency stop push button (located in Electronic Instrument Panel)
                                        •  Safety shutoff protection: Oil pressure and water temperature (non-redundant, uses OP and WT sensors)
                                        •  Overspeed (redundant and independent of engine governing system speed sensed by backup ECM which is MCS approved)
                                      • General
                                        •  Vibration damper and guard
                                        •  Caterpillar Yellow Paint
                                        •  Lifting eyes, front and rear
                                        •  NOTE: Engines for keel cooling do NOT include keel cooler. Engines for heat exchanger cooling do NOT include heat exchanger.
                                      • Air Inlet System
                                        •  Air Cleaner Removal
                                        •  Remote Air Inlet Adapters
                                      • Charging System
                                        •  Battery Chargers
                                        •  Charging Alternators
                                      • Control System
                                        •  Throttle Synchronization
                                        •  Throttle Position Sensor
                                      • Cooling System
                                        •  Water Level Switch Gauge
                                        •  Coolant Level Sensors
                                        •  Connections
                                        •  Keel Cooling Conversions
                                        •  Heat Exchangers
                                        •  Auxiliary Water Pumps
                                        •  Sea Water Pump Removal
                                        •  Coolant Shunt Tanks
                                        •  Marine Gear Cooling
                                        •  Air Separator
                                      • Water Level Switch Gauge
                                        • Coolant Level Sensors
                                          • Connections
                                            • Keel Cooling Conversions
                                              • Heat Exchangers
                                                • Auxiliary Water Pumps
                                                  • Sea Water Pump Removal
                                                    • Coolant Shunt Tanks
                                                      • Marine Gear Cooling
                                                        • Air Separator
                                                          • Exhaust System
                                                            •  Exhaust Outlet
                                                            •  Flexible Fittings
                                                            •  Elbows
                                                            •  Flanges
                                                            •  Flange and Exhaust Expanders
                                                            •  Mufflers
                                                          • Fuel System
                                                            •  Fuel Cooler
                                                            •  Fuel Priming Pumps
                                                            •  Flexible Fuel Lines
                                                            •  Rigid Fuel Lines
                                                            •  Primary Fuel Filter
                                                            •  Fuel level switch
                                                          • Instrumentation
                                                            •  PL1000T Communication Module
                                                            •  PL1000E Communication Module
                                                            •  Customer Interface
                                                            •  Thermocouples
                                                            •  Remote Panel Display
                                                            •  Remote Cylinder Temperature Display
                                                            •  Pilot House Instrument Panels
                                                            •  Marine Gear Sensors
                                                            •  Engine Vision Display System
                                                          • PL1000T Communication Module
                                                            • PL1000E Communication Module
                                                              • Customer Interface
                                                                • Thermocouples
                                                                  • Remote Panel Display
                                                                    • Remote Cylinder Temperature Display
                                                                      • Pilot House Instrument Panels
                                                                        • Marine Gear Sensors
                                                                          • Engine Vision Display System
                                                                            • Lube System
                                                                              •  Sump Pumps
                                                                              •  Prelubrication Options
                                                                              •  Oil Pan Accessories
                                                                              •  Oil Pan
                                                                              •  Lubricating Oil
                                                                            • Mounting System
                                                                              •  Engine Supports
                                                                              •  Vibration Isolation Mountings
                                                                            • Power Take-Offs
                                                                              •  Flexible Coupling and Guards
                                                                              •  Front Housing Accessories
                                                                              •  Front Housing Accessory Drives
                                                                              •  Front Power Take Offs
                                                                              •  Crankshaft Pulleys
                                                                              •  Damper Guard Removals
                                                                            • Protection System
                                                                              •  Air Inlet Shutoffs
                                                                              •  Switches and Contactors
                                                                              •  Explosion Relief Valve
                                                                              •  Sensors
                                                                            • Air Inlet Shutoffs
                                                                              • Switches and Contactors
                                                                                • Explosion Relief Valve
                                                                                  • Sensors
                                                                                    • Spare Parts Kits
                                                                                      •  Parts Kits
                                                                                      •  Pump Kits
                                                                                    • Special Appearance
                                                                                      •  Chrome Plated Relief Valves
                                                                                      •  Black Air Cleaners
                                                                                    • Chrome Plated Relief Valves
                                                                                      • Black Air Cleaners
                                                                                        • Starting System
                                                                                          •  Air Starting Motors Options
                                                                                          •  Starting Aids
                                                                                          •  Battery Sets - 24 Volt - Dry
                                                                                          •  Battery Rack
                                                                                        • General
                                                                                          •  Tool Set
                                                                                          •  Caterpillar Datalink Wire
                                                                                        • Society Approvals
                                                                                          •  Marine Society Requirements
                                                                                        Built for it