Mercury Mercruiser Stern Drive

Alpha One

The Most Popular Sterndrive in the World.
Single or twin applications up to 65 mph for gas engines up to 300 hp

The Alpha® sterndrive earned the title of “world’s most popular sterndrive” because it delivers reliable performance in a value package. Reliable performance means more family fun year after year without missing a beat. Alpha drives slice through the water with an efficient hydrodynamic profile producing very little drag. And because of the Alpha drive’s many maintenance-free features – you’ll enjoy a worry-free ownership experience.

   Mercury Mercruiser Stern Drive Alpha One

RELIABILITY

  • Spiral-cut steel bevel gears for quiet operation and durability
  • XK 360 low copper alloy for corrosion resistance
  • Tri-Paint System (Irridite, EDP & Powder Paint) creates a tough, durable corrosion resistant barrier
  • Armored trim lines protect hydraulic system from debris
  • Flow-Torq II Propeller Hub The Weekend Saver protects the entire drive from damage, not just the lower unit

PERFORMANCE

  • Hydrodynamic lower unit produces little drag to slice through the water efficiently
  • Trim limit switch sets drive angle for maximum performance every time
  • Through-Prop exhaust maximizes power and reduces noise levels
  • Wide range of 3-, 4-, and 5-blade propellers available in aluminum and stainless steel to maximize pulling power and top speed for any application

EASY OWNERSHIP

  • Drive Lube Monitor Alarm warns if drive lube is low. Engine mounting allows easy inspection and fill without the cost to pull a boat from the water.
  • Permalube® U-Joint Virtually no maintenance required
  • Maintenance Free Hinge Pins No added cost to pull a boat from the water
  • Greaseable Drive Coupler No added cost to pull a boat from the water
  • New permanently lubricated gimbal bearing does not require maintenance

TECHNOLOGY

  • Power Trim XD® Automatically Returns the Drive to the Water to Maintain Full Control of Boat in Case of an Emergency
  • MerCathode® kit monitors the galvanic potential of the drive and counteracts corrosion with a metered electrical charge providing continuous cathodic protection
  • Engine Guardian System® with MPI engines protects the drive from damage from low lubricant levels

Maximum Power Capacity 300 HP (221 kW)
Lower Unit Design Low-Drag Hydrodynamic Torpedo
Maximum Propeller Diameter 15"
Water Inlet Location Strut
Clutch Type Compact Dog Clutch with F-N-R
Available Gear Ratios 1.47, 1.62, 1.81, 2.00, 2.40:1
Counter-Rotation Optional, Except 2.40:1 Ratio
Upper Unit Gear Set Precision Shimmed, Spiral Bevel Gear
Lower Unit Gear Set Precision Shimmed, Spiral Bevel Gear
Propshaft Material Heat-Treated Stainless Steel
Standard Exhaust Outlet Through Propeller
Propeller Hub Type Flo-Torq II Hub
Recommended Lubricant Mercury High-Performance Gear Lube
Monitoring System Engine-Mounted Lube Monitor w/Audio Warning or Engine Guardian®
Corrosion Warranty 3-Year, Limited
Housing Construction Corrosion Resistant XK 360 Aluminum Low-Copper Alloy
Corrosion Protection Tri-Paint, Anodes & MerCathode® as a Kit
Anode Type Ultra-Pure Aluminum Anodes or Magnesium Anode Kit
Speedometer Pick-up Integrated Into Lower Housing
Steering System Single Cylinder Power Steering with Anti-Feedback
Steering Range 56° Range Stop to Stop
U-Joint Type Permalube® Virtually Maintenance-Free
Power Trim System Twin-Cylinder Hydraulic Featuring Power Trim XD® Kick-up Return
Typical Trim Range 5° to 15°
Trim Limit Switch Standard - Adjustable
Trailer Limit 53°
Trim Hinge Pin Design Permanently Lubricated - No Maintenance Required
Hydraulic Trim Lines Stainless Steel Braided Armor
Drive Coupler Greaseable From Inside Boat
Drive Weight 85 lbs. (38 kg)


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Bullock Marine offers new & used powerboats as well as performance boat accessories: skater, fountain, eliminator, Mercruiser Mercury Marine (competition - racers & performance propellers, Zero Effort Controls™, K-Plane™ high performance trim tabs, Mercury Racing Trim Indicators™, high performance engines, competition drive, etc.) cigarette boat, welcraft, scarab, donzi boats, catamaran raceboat, high speed twin hull, etc. Bullock Marine is an authorized dealer for Douglas Marine Skater Powerboat, Regy Fountain powerboat & sport boat, Eliminator powerboat & sport boat, and Mercury Mercruiser marine engines, Drive & accessories. Mercury Mercruiser HP 1075 SCi 1075 HP marine engines racing boats Mercury Marine HP 575 SCi 575 HP Sterndrives performance boat Mercruiser HP 525 EFI 525 HP race boat engine for sale powerboats Mercury Mercruiser HP 500 EFI 500 HP stern drives power boat Mercury Marine Scorpion 377 377 HP marine engines high performance boats Mercruiser 496 MAG High Output 425 HP Sterndrives sport boat Mercury Mercruiser 496 MAG 375 HP race boat engine for sale powerboat Mercury Marine MX 6.2 MPI Horizon 320 HP stern drives performance boats Mercruiser MX 6.2 MPI 320 HP marine engines power boats Mercury Mercruiser 350 MAG MPI Horizon 300 HP Sterndrives engines Mercury Marine 350 MAG MPI 300 HP race boat engine for sale mercruiser Mercury Drive Dry-Sump Six drive racing mercruiser powerboats mercury Bravo One XR Sport Master sport boat drives sport boat V SSM drive mercury race power boats III-A SSM drives mercury mercruiser racing boats Bravo One XR I.T.S.racing drive powerboat Bravo X Diesel mercruiser drives sport boats Bravo XR mercury drive for sale power boats Bravo X drives mercruiser boats Bravo mercury drive sales pleasure Alpha drive mercruiser boat

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