860 QC4V

$96,667.00

  • RATED POWER AT TRANSMISSION    860 (641 kW)
     
  • FULL THROTTLE RPM RANGE    6300-6800
     
  • DISPLACEMENT LITER/CID    9.0/552
     
  • BORE (IN/MM)    4.57/116
     
  • STROKE (IN/MM)    4.21/107
     
  • COMPRESSION RATIO    9.75:1
     
  • CYLINDER ARRANGEMENT    V-8
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Description

Introducing the  QC4 (quad cam four valve) 860 sterndrive. Designed, developed and manufactured in-house, the naturally aspirated, 9.0 liter engine features Mercury Racing’s exclusive aluminum four-valve cylinder heads and dual overhead camshaft valve train.  This proven valve train, which greatly enhances engine performance and durability over a standard two-valve design, enables the engine to produce 860 horsepower at 6800 rpm on 89 octane (Rec 90) pump fuel. The engine’s 6300-6800 rpm operating range offers unsurpassed acceleration for its power rating. The higher rev limits expand the range of propeller options available for a variety of applications.

 

  • Naturally aspirated, 9.0 Liter engine features Mercury Racing’s exclusive aluminum four valve cylinder heads and dual overhead camshaft valve train for unsurpassed durability
  • 860 horsepower at 6800 RPM on 89 octane (Rec 90) pump fuel
  • 6300-6800 rpm operating range offers unsurpassed acceleration for its power rating
  • Higher rev limits expand the range of propeller options available for a variety of applications
  • An all-new heat exchanger maintains engine temperatures for enhanced durability
  • Standard Mercury Digital Throttle & Shift (DTS) technology provides luxury-car-like drivability
  • Twin 92 mm electronic throttle bodies feed the intake with runners designed to optimize torque
  • Rear facing ram horn intakes direct induction noise rearward to reduce cockpit noise and enhance engine power
  • All-new Mercury Racing transmission. Compact, hydraulic design delivers smooth and consistent shifts thanks to DTS technology
  • Option to route exhaust outlets below water for reduced off plane noise
  • A total of 12 color options available (engine, transom and drive)
  • An unprecedented two years of limited factory warranty for recreational boating

Additional information

Type:

CC, DL

Full Product Specs

  • RATED POWER AT TRANSMISSION    860 (641 kW)
     
  • FULL THROTTLE RPM RANGE    6300-6800
     
  • DISPLACEMENT LITER/CID    9.0/552
     
  • BORE (IN/MM)    4.57/116
     
  • STROKE (IN/MM)    4.21/107
     
  • COMPRESSION RATIO    9.75:1
     
  • CYLINDER ARRANGEMENT    V-8
     
  • ALTERNATOR (AMP/WATT)    95/1340
     
  • CONTROLLER     Distributorless
     
  • FUEL SYSTEM     Sequential Fuel Injection
     
  • FUEL REQUIREMENTS    89 Octane Pump Fuel
     
  • TRANSMISSION   Mercury Racinq Hydraulic
     
  • DRIVE UNIT   M6, M8 Optional
     
  • GEAR RATIO    Application dependent (contact Mercury Racing for additional information)
     
  • LENGTH (IN/MM)    31/791
     
  • WIDTH (IN/MM)        38.3/973
     
  • HEIGHT (IN/MM)      26/664
     
  • WEIGHT (LBS/KG)    1420/644
     
  • WARRANTY   2-Year Limited for Recreational Boating