tractor trailer weight distribution calculator

However, it’s very difficult to get a trailer loaded so your axle weights would equal 80,000 lbs without going over on a set of axles. If you add all those weights up you get 80,000 lbs. So the image below shows a typical flatbed setup with max legal weight limits listed.

States also have as mentioned axle weight limits. The max gross weight of a shipment with a tractor trailer combination is 80,000 lbs. – This is the max weight allowed on any axle configuration with a permit. – The max weight allowed on any axle configuration without requiring a permit.

So review our Permits and Escorts Page for a list of axle weight limits by state. – Four axles arranged together and found on trailers.Īs mentioned, states range when it comes to axle limits. – Three axles arranged together and are found on drives, trailers, or both. Generally you have a drive tandem and a trailer tandem. – This is the most common tractor trailer axle configuration setup. – A single axle is generally seen in a smaller tractor trailer setup or on a spread axle trailer or as a booster.

– The first axle and in fact steers the tractor. So lets break it down: Axle Configurations Secondly, states vary about what the rules are for these different axle configurations. The first thing to point out is there are several different types of axle configurations. Knowing the tractor trailer axle weights is vital to ensure a shipment is hauled legally. Understanding axle weights is extremely important in the heavy haul industry.

Tractor trailer weight distribution calculator