Determining the combined weight of a boat and its trailer is essential for safe and legal towing. This combined weight, often referred to as the Gross Trailer Weight (GTW), includes the dry weight of the boat, the weight of any gear or equipment stored within it (fuel, batteries, anchors, etc.), the weight of the trailer itself, and the weight of any additional items carried on the trailer. For example, a small fishing boat with a dry weight of 800 pounds on a 400-pound trailer, carrying 50 pounds of gear, would have a GTW of 1250 pounds.
Accurate weight assessment is crucial for selecting a suitable tow vehicle with sufficient towing capacity. Exceeding this capacity can lead to dangerous handling characteristics, mechanical strain on the vehicle, and potential legal penalties. Historically, underestimating these weights has contributed to accidents and equipment damage. Understanding these figures is also vital for complying with regulations regarding trailer brakes, registration, and specific towing restrictions on certain roadways. Proper weight distribution on the trailer is equally important for safe and stable towing, preventing sway and ensuring proper control.