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Custom CNC Machining Aluminum Outboard Motor Gearbox Housing

We produce custom CNC machined aluminum gearbox housings for outboard motors to meet specific engineering needs. Made of high-grade materials with tight tolerances and a focus on durability, they're ideal for marine equipment manufacturers and suppliers needing reliable, precision components. 

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Process Flow

Our marine outboard motor gearbox housings are defined by the precision of our multi-axis CNC machining process.

  • Material:​ Marine-grade high-strength aluminum alloy (e.g., 6061-T6).
  • Process:​ 5-axis CNC machining.
  • Key Advantage:​ Exceptional strength and corrosion resistance combined with weight-saving design to optimize marine propulsion efficiency.
  • Precision:​ Micron-level accuracy ensures perfect dimensional and assembly fit.
  • Tolerance:​ ±0.01 mm
  • Surface Finish:​ 0.8 Ra, anodizing or marine-grade coating.
  • Prototype Lead Time:​ 5-7 days.
  • Mass Production Lead Time:​ 2-3 weeks.
  • Outcome:​ Provides robust, reliable, and efficient protection for power transmission in outboard motors, enhancing overall service life.

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