Specifications

Mercury® Diesel: 6.7L (480-550hp)

 550
Power mhp / kW
  • 550 / 405
Bore and stroke
  • 4.094 x 5.197" / 104 x 132 mm
Displacement (L)
  • 6.7
Air Handling
  • Turbocharged and Aftercooled
Valves per Cylinder
  • 4
Engine Stop
  • ECU Controlled
Cylinder Configuration
  • Inline 6
Dry weight *Lightest model available
  • 1,642 lbs / 745 kg
Direction of Rotation
  • Counter Clockwise
Emission Certification
  • EPA Tier 3
  • EU RCD 2
  • IMO Tier 2
Rated rpm
  • 3200
Max Torque in N-m (ft-lb) at rpm
  • 1,580 (1,165) @ 1,900
Engine Cooling
  • Closed Cooled
Turbo Cooling
  • Closed Cooled
Flywheel Housing
  • SAE 3
Bobtail Length (mm)
  • 1,089
Bobtail Width (mm)
  • 864
Bobtail Height (mm)
  • 848
Inboard: ZF 280IV
  • 1.25:1, 1.56:1, 1.77:1, 2.06:1, 2.28:1, 2.56:1
Inboard: ZF 280-1
  • 0.81:1, 1.00:1, 1.06:1, 1.14:1, 1.21:1, 1.30:1, 1.51:1, 1.72:1, 2.00:1, 2.48:1, 3.00:1
Inboard: ZF 280-1A
  • 1.12:1, 1.48:1, 1.77:1, 2.00:1, 2.23:1, and 2.48:1
Compatible with SmartCraft digital technology
  • Yes

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http://www.mercurymarine.com/en/us/engines/diesel/mercury-diesel/67l-tier-3/550