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MerCruiser SternDrives    
Diesel - D4.2L   

Gas Carbureted

Gas Fuel Injected

Diesel

Performance Engines

MC Product PictureExcellent low-speed torque. Low emissions. Consistent power output. Outstanding fuel efficiency. You get all that and more with the mechanically injected, turbocharged and intercooled D4.2L. When you’re looking for a powerful alternative to gas, it’s a great way to go.

 

Diesel - D4.2L

D4.2L Specifications

  • Crankshaft HP: 220 (157 kW)
  • Sterndrive Propshaft HP: 200 (149 kW)
  • Displacement (Liter/CID): 4.2/254
  • Cylinders: Inline-6
  • Bore & Stroke (in/mm): 3.70 x 3.94/94 x 100
  • Compression Ratio: 21.5:1
  • Fuel System: Indirect Injected
  • Full Throttle RPM Range: 3400-3600
  • Alternator: 65/917
  • Length (in/cm): 50/127
  • Width (in/cm): 30/77
  • Height (in/cm): 21/54
  • Weight (lbs/kg) - Bravo One: 1220/554
  • Weight (lbs/kg) - Bravo Two: 1232/559
  • Weight (lbs/kg) - Bravo Three: 1241/563

Transmission Ratios

  • Gear Ratio - Bravo One (primary/optional/high altitude): 1.5/-/-
  • Gear Ratio - Bravo Two (primary/optional/high altitude): 2.0/1.81,2.2/-
  • Gear Ratio - Bravo Three (primary/optional/high altude): 1.81/1.65,2.0/2.2

Standard Features

  • Aftercooler
  • Audio warning system
  • Closed-cooling
  • Remote oil filter
  • Turbocharger
  • Waste gate
  • Vacuum pump system (kit)
  • Water/Fuel separator
  • 5" risers (kit)

Boating Benefits

  • An advanced closed-cooling system and ceramic-coated exhaust components for durability and corrosion resistance.
  • Turbocharged and intercooled for quick response and superior performance.
  • Remote oil filter for easy maintenance.
  • Audio alarm protection for engine and drive unit.
  • Hydraulic lifters and constant-tension head bolts for durability and less required maintenance.
  • Virtually smoke-free performance that meets all current emissions standards (SAV1).
  • Exclusive Mercury MerCruiser® service dealer network

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