Trailer Tire Safety Basics

First time boat trailer owner here, does anyone have any safety tips for trailer tires?


  • Maintain pressure at the maximum PSI recommended on the tire’s sidewall for cool running, load-carrying ability and lowest rolling resistance.

    Keep a cap on the valve stem to prevent contamination of its internal rubber valve.

    Always carry a spare and check its pressure along with your trailer’s other tires.

    Don't overload trailer tires. The maximum load that a single tire can safely carry is listed on the sidewall. For a single-axle trailer with tires rated at 2,000 pounds, the maximum load should not exceed 4,000 pounds. For a double-axle trailer with the same tires, the maximum load should not exceed 8,000 pounds. To provide a margin of safety, it's recommended that the actual load not exceed 90% of the rated load capacity. NOTE: Regardless of the load capacity of the tires, never exceed the trailer's GVWR (Gross Vehicle Weight Rating) provided by the manufacturer.

    Visually inspect your tires before each trip. Check the pressure before you use your trailer. On long trips you should check your tires’ pressure every morning when the tires are cold.

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