How often should I inspect my trailer?

Run the full pre-trip checklist before every tow. Perform a deeper mechanical inspection (bearings, brakes, suspension, structural) annually or every 12,000 miles. Trailers that sit for long periods need extra attention before the first trip of the season — stored trailers develop problems differently than frequently-used ones.

What's the most common cause of trailer accidents?

Tire failures (blowouts from underinflation or age) and trailer sway (from improper loading or tongue weight) are the two leading causes. Both are almost entirely preventable with proper maintenance, monitoring, and loading practices.

Do I need a TPMS on a single-axle utility trailer?

It's less critical than on a multi-axle highway trailer, but still valuable. A single-axle trailer has only two tires — losing one means you're immediately dragging on the rim with no backup. You'll feel it faster than on a tandem axle, but a TPMS gives you warning before the blowout happens, which is the difference between pulling over safely and a tire shredding at speed.

How do I know if my trailer brakes are working?

Test them every trip: with the brake controller, manually apply the trailer brakes at low speed (5-10 mph) in a safe area. You should feel the trailer actively braking. If there's no change in deceleration, the brakes aren't engaging. Also test the breakaway switch with the trailer wheels chocked.

What should I do if I notice grease on the inside of my wheel?

Grease on the inside of a trailer wheel indicates a leaking inner grease seal. This is an early warning sign of potential bearing failure. Have the seal replaced and bearings inspected/repacked as soon as possible. Do not tow long distances with a known seal leak. And consider axle temperature monitoring for continuous protection between inspections.

Is trailer monitoring worth the cost?

The average roadside wheel-end failure costs $1,800–$4,000. A single tire blowout with rim and fender damage runs $500-$1,500. The TWD-1500 starts at $395 — less than one prevented incident. Beyond the math, there's the safety factor: a hub fire, wheel separation, or blowout-induced sway event can cause injuries or fatalities. Monitoring is the cheapest insurance on your trailer.