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Durable and Powerful

Designed for sterndrive and inboard applications.

  • Power mhp / kW 350 / 257
  • Maximum RPM (WOT) 3800
  • Engine type Inline 6
  • Displacement (L) 4.2
  • Weight (engine only) 1014 lbs / 460 kg

Quiet Ride.

The high-pressure common-rail fuel-injection system not only ensures fuel economy, it also minimizes Noise, Vibration and Harshness (NVH), along with smoke and odor – the undesirable factors many boaters associate with yesterday’s diesels.

Repower Reasons.

The lightweight, compact design of these diesel engines makes them ideal drop-in replacement power packages for many older, fuel-guzzling gasoline engines. Mercury’s full range of drives offers outstanding versatility to owners of sterndrive-powered boats.

Peak Performance.

Impressive acceleration and quick throttle response are delivered by the proven common-rail fuel system, which incorporates a turbocharger and seawater after-cooler. These engines combine smooth performance with key diesel advantages, such as high torque and optimum fuel economy.

Intuitive Design.

A sophisticated Control Module and Mercury SmartCraft compatibility provide complete control over key engine functions. SmartCraft Digital Throttle & Shift (DTS) offers smooth shifting, immediate throttle response and high-tech digital controls.

Corrosion-Resistance.

Mercury diesels feature state-of-the-art anti-corrosion, including a thermostatically controlled closed water-cooled system. Water-cooled engine oil, gear oil and steering fluid decrease engine-room temperatures, extending engine life. The SeaCore® system is available for the ultimate in saltwater protection.

Power mhp / kW350 / 257
Bore and stroke3.70 x 3.94" / 94 x 100 mm
Maximum RPM (WOT)3800
Engine typeInline 6
Displacement (L)4.2
Weight (engine only)1014 lbs / 460 kg
Weight (incl. transmission)1111 lbs / 504 kg
Weight - Bravo Three1272 lbs / 577 kg
Dimensions (L x W x H)42 x 30 x 31" / 1077 x 773 x 790 mm
Cooling systemClosed cooling
Fuel consumption21.5 gal/hr / 81.46 l/hr @ 3800 rpm
Compatible drivesBravo Three
EmissionEPA Tier 2 IMO RCD BSO/SAV certified
Power mhp / kW320 / 235
Bore and stroke3.70 x 3.94" / 94 x 100 mm
Maximum RPM (WOT)3800
Engine typeInline 6
Displacement (L)4.2
Weight (engine only)1014 lbs / 460 kg
Weight (incl. transmission)1111 lbs / 504 kg
Weight - Bravo One1246 lbs / 565 kg
Weight - Bravo Two1261 lbs / 572 kg
Weight - Bravo Three1272 lbs / 577 kg
Dimensions (L x W x H)42 x 30 x 31" / 1077 x 773 x 790 mm
Cooling systemClosed cooling
Fuel consumption19.0 gal/hr / 71.96 l/hr @ 3800 rpm
Compatible drivesBravo One Bravo Three Bravo Two
EmissionEPA Tier 2 IMO RCD BSO/SAV certified
Power mhp / kW270 / 199
Bore and stroke3.70 x 3.94" / 94 x 100 mm
Maximum RPM (WOT)3800
Engine typeInline 6
Displacement (L)4.2
Weight (engine only)1014 lbs / 460 kg
Weight (incl. transmission)1111 lbs / 504 kg
Weight - Bravo One1246 lbs / 565 kg
Weight - Bravo Two1261 lbs / 572 kg
Weight - Bravo Three1272 lbs / 577 kg
Dimensions (L x W x H)42 x 30 x 31" / 1077 x 773 x 790 mm
Cooling systemClosed cooling
Fuel consumption16.0 gal/hr / 60.66 l/hr @ 3800 rpm
Compatible drivesBravo One Bravo Three Bravo Two
EmissionEPA Tier 2 IMO RCD BSO/SAV certified