I want my 400 pounds! – Road transport, APU and weight gain


Nowadays, there is a lot of gossip about fun devices (auxiliary power supplies and generators). Yes, the federal government gives up to £ 400 for trucks with APU – and any device used to reduce fuel consumption and emissions. This is part of the idle reduction strategy – to encourage trucks and hauliers to install APUs. But that doesn’t mean you can always get it.

The law says that any vehicle with an APU “may be allowed up to 400 pounds of total weight, axle, tandem or bridge formula” – a generator mounted on a tractor will not allow the repeal of the bridge law.

The problem is that while the federal government allows weight gain, states don’t need to allow it. This means that in one state you can be allowed to work up to £ 80,400. but in the next condition you can limit yourself to £ 80,000. despite a federal government order. Many states already have weight tolerances that exceed 400 pounds, so the ordinance doesn’t really affect enforcement procedures.

In theory it’s great, but in practice it’s worth almost nothing.

What we are faced with is that many officers are unaware of Federal Union ordinances, and so if the state legislature can accept a £ 400 allowance, law enforcement officers may not be aware of it. All the following information may change, and the right hand, as always, may not know what the left hand is doing. Be prepared to show as much documentation as possible every time you encounter a checkpoint!

Below is a list of states and the status of their weight loss status of 400 pounds. We address government officials directly – none of this is used. All information is subject to change.

States that have taken the allowance up to £ 400 (weighing station officers may not know):


Arkansas will allow an additional £ 400 per axle to account for APU, but will not allow more than £ 80,000 per weight.






The Michigan DOU allows £ 400 for the version. The problem you may face is that the weighing station staff we spoke to did not know about the federal ordinance, and the Michigan Truck Safety Center was under the impression that Michigan did not make the ordinance but could not say for sure. According to Lt. Dave Ford, Michigan is indeed complying with the £ 400 ruling. Drivers must have a documented mass of APU documented by the manufacturer, and have proof that a documented APU has been installed on that unit (as opposed to another APU).

North Dakota


The Oregon Senate Bill 223 officially allows trucks with AUC (auxiliary power plants) an extra 400 pounds with a limit on their total weight. Oregon complies with the federation’s ordinance and requires written weight certification by the AUC. Oregon law enforcement officials have been releasing 400 pounds since February 2006. The APU must be in working order.


Weight relief of 400 pounds is only allowed on interstate highways. Drivers on public routes are subject to Virginia’s standard and weight standard.


States that have not accepted the 400-pound weight relief and:

* have weight tolerances (for deviations from the scale)

* Small board size and won’t make you load an extra 400 pounds

* and states whose officers are unlikely to give you a ticket unless you provoke them – official analysis is a factor (officers in many of these states were unaware of the £ 400 pound weight loss but said £ 400 was too little for worry them):


Greenwich station staff were unaware of the Federal Union’s ruling, but said the chances of writing a quote for such a small amount were unlikely. This stretch of 95 I is limited to £ 80,000, no matter what the driver allows, so the limit is £ 80,000. £ 80,000 could result in a ticket, but that’s likely until the truck reaches £ 81,000, depending on the officer’s opinion. The official word from commercial vehicle execution headquarters is that Connecticut has not accepted a 400-pound weight exemption.






It’s entirely up to the officer’s opinion – you most likely won’t get a ticket for £ 400.



New Mexico

New York

North Carolina

The North Carolina train station staff we called were unaware of the £ 400 federal aid, but said they had a £ 500 tolerance that they would allow before they could start writing tickets.

South Dakota

Officers do not disclose allowable tolerance, but say their tolerance exceeds £ 400, so even though the legitimacy has not yet adopted a federal standard, their current standards allow for weight gain.


POE Henefer officials say they will give up to £ 500 per APU. Employees of other state-owned enterprises were unsure of the law.

West Virginia


Station officials weighing £ 25 say it will allow up to £ 500 per ticket without a ticket.

States that do not give £ 400 for the AUC (based on our requests – can be changed):

Alabama, Arizona, Indiana, New Jersey

There are several states on this list. We are still contacting states from which we have not received a response and will provide updated information when it becomes available! Feel free to contact us about your experience.

To receive £ 400 assistance, you will need to provide:

* Written certified weight APU (if your APU weighs only 380 pounds, you will only be allowed 380 pounds)

* certified confirmation (or ability to demonstrate) that the VSP is functional (working)

You also want to bring a copy of the federal ordinance. You can find it in the Electronic Code of Federal Regulations [] in heading 23 (freeway), section 658.17 (you will find it in section n).