Smooth and Powerful

This Mercury Diesel engine sets a new benchmark for low noise and vibration, with an industry-leading, unmatched power-to-weight ratio that delivers outstanding acceleration. All possible through Twin VGT turbo chargers which provide peak torque at 2750rpm with virtually no turbo lag.


TDI 4.2L Features
  • Common rail fuel system providing precise fuel control, nearly eliminating the traditional noisy sound associated with diesels, producing exceptional fuel economy and no smoke or smell
  • Exceptionally lightweight
  • Closed cooled engine, providing the ultimate in engine corrosion resistance
  • Water-jacketed turbo chargers and exhaust system, reducing excessive engine compartment temperatures
  • EPA Tier 3, RCD ready, IMO 2, BSO 2
  • Compatible with Bravo One, Two and Three XR sterndrives or Inboard transmissions
  • Standard SmartCraft instrumentation

TDI 4.2L 335 Specifications

HP/kW 335 / 246
Max RPM 4200
Cylinder Configuration V-8
Displacement 4.2L
Weight 379kg
Weight (incl. transmission) 423kg
Weight Bravo I 484kg
Weight Bravo II 491kg
Weight Bravo III 496kg
Dimensions (LxWxH) 1206x835x836mm
Bore & Stroke (mm) 83x95mm
Cooling Systems Closed Cooling
Turbo Twin Variable Geometry Turbo (VGT)
Fuel Consumption (l/hr @ rpm) TBA*
Compatible Drives Bravo I
Bravo II
Bravo III
Features & Related Products Axius
Electrical Controls (DTS)
Inboard
Jet Application
Mechanical Controls
SeaCore
Sterndrive
Compatible with Smartcraft Digital Technology Yes
Axius Yes
Digital Throttle and Shift (Optional) Yes
Boat Types Cruiser
RIB
Sport Yacht
Sportboat (sterndrive)
Emission BSO 2/RCD 2/IMO 2/EPA Tier 3
Rated Power Output Full Load Torque Fuel Consumption (l/hr @ rpm)
RPM kw bhp RPM N-m ft-lb RPM l/hr gal/hr
4200 244 327 4200 551 406 4200 - -
4000 243 326 4000 577 426 4000 - -
3800 - - 3800 - - 3800 - -
3000 207 277 3000 653 482 3000 - -
2200 - - 2200 - - 2200 - -
2000 138 185 2000 655 483 2000 - -
1000 36 48 1000 340 251 1000 - -

Note: HP is metric.

QSD Engine Tests

Key Boat House Bulletin Head-to-Head Engine Test Third Party Engine Review
Test Date Title Type Engine Last Updated
06/2014 TDI 370 Mercury® Diesel - Sea Ray - Sea Ray - 350 SLX TDI 07/16/2014
06/2014 TDI 370 Mercury® Diesel - Sea Ray 350 Sundancer TDI 07/16/2014
01/2014 4.2L V8 370 TDI - Sea Ray 350 Sundancer TDI 02/12/2014
10/2013 4.2L V8 370 TDI - Statement 37 SUV IO TDI 02/12/2014

QSD Resources

Installation Drawings

Installation drawings are technical documents, detailing the dimensions of the engines to facilitate installation in new or repowered boats.

Contact Your Mercury Product Application Engineer
Buy the Books

You can order all available Mercury literature online or through any authorized Mercury dealer. Please have your outboard or sterndrive serial number before placing the order.

  • Operation, Maintenance and Warranty Manuals
  • Parts Manual
  • Service Manual
Purchase a Manual
Request a Brochure

Request printed brochures by mail or download as an electronic PDF.

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Related Documents

Sustainability Report Fuel Care