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Boat Trailer Maintenance Checklist – Keep Your Trailer in Top Shape

Introduction

Your boat trailer works just as hard as your boat — often in far harsher conditions. Saltwater, heavy loads, and long tows all take their toll. Without regular maintenance, you risk breakdowns, costly repairs, and even unsafe towing. This checklist covers all the essential steps to keep your boat trailer safe, compliant, and ready for the next launch.

1. Check & Service Wheel Bearings

2. Inspect Brakes

  • For mechanical or hydraulic brakes, check pads/shoes for wear.

  • Ensure brake cables or hydraulic lines are intact.

  • Test the brake system before towing.
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3. Test Lights & Wiring

  • Replace any blown globes or faulty LEDs.

  • Inspect wiring for frays or corrosion, especially at connectors.

  • Use dielectric grease on plugs to prevent water damage.
    🔗 View LED Trailer Lights

4. Check Tyres

5. Inspect Coupling & Safety Chains

  • Ensure your coupling is free of rust and latches securely.

  • Safety chains should be rated and in good condition.
    🔗 Shop Couplings & Locks

6. Look for Signs of Corrosion

  • Pay special attention to frame welds, axles, and leaf springs.

  • Use fresh water to rinse after every saltwater trip.

  • Consider galvanised or Dacromet-coated replacement parts for high corrosion resistance.

7. Lubricate Moving Parts

  • Apply grease to winch gears, rollers, and pivot points.

  • Use a marine-safe lubricant that resists saltwater wash-off.

Conclusion 

Regular boat trailer maintenance is the difference between a smooth day on the water and a frustrating breakdown at the ramp. Following this checklist will keep your trailer safe, compliant, and performing at its best — season after season.

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