Visual inspection, every time. Tug test is dubious at best, worthless at worst. If you're on snow / ice / sand / gravel / wet pavement, then the friction between your trailer tires and road surface may be less than the friction between the 5th wheel and the trailer. So you could pull your trailer along even if the 5th wheel isn't latched.
tug test
Discussion in 'Questions From New Drivers' started by AndrewMemphis, Apr 9, 2013.
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READ THIS THREAD!
http://www.thetruckersreport.com/tr...54293-what-happens-when-you-dont-pretrip.html
This is why you don't rely on a tug test!
Get up under there and use a flashlight to visually check the 5th wheel!!!
Don't make the same mistake I made.
![[IMG]](proxy.php?image=http%3A%2F%2Fwww.thetruckersreport.com%2Ftruckingindustryforum%2Fattachments%2Fexperienced-truckers-advice%2F12440d1315059210-what-happens-when-you-dont-pretrip-843.jpg.att&hash=b28721d9f301e42183f4be3692836d5b)
Trucking Jobs in 30 seconds
Every month 400 people find a job with the help of TruckersReport.
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