Mercruiser Alpha One Sterndrive - For more than 45 years the word "MerCruiser" has meant sterndrive performance. Choose from more than 20 unique drive systems such as our Alpha One, the most popular sterndrive in the world, or our brawny Bravo Series drives. MerCruiser has the perfect drive system for you and your boat.

Maximum Power Capacity 300 HP (230 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)

 

Horse Power (hp)
  • 300