Explaining the difference between divisible and indivisible loads

Divisible loads can be broken apart easily, while indivisible loads generally take more than 8 hours of work to disassemble. It is usually possible to obtain a permit for an indivisible load, but divisible loads have to follow weight regulations. Indivisible Loads: Hauling divisible versus indivisible loads makes a huge difference in the type of … Read more

Textbook launched: “Understanding Semi Truck Weight and Dimension Regulations: Truck Driver Training Textbook”

Help clarify size and weight regulations for new truck drivers and those in trucking orientation classes. The book covers concepts of gross weight, tare weight, tire weights, axle weights and manufacturers’ weights. Following chapters explain US Federal regulations, and importantly, where these regulations apply and where they do not. Also, regulations surrounding the ‘kingpin to … Read more

Arizona website update

The website for the Arizona oversize and overweight office was updated to: https://www.azdot.gov/mvd/MotorCarrierServices/commercial-permits/oversize-overweight-permits

Oklahoma State Roads Permitted Loads

Big Truck Guide had incorrectly identified Oklahoma as a state where you can obtain permits up to 90,000 lbs on the interstate, depending on the configuration. In fact, there are permits for divisible loads available only for state roads up to 84,000 lbs.

Updated Washington State Gross Description

In Washington State, trucks can operate to 105,500 lbs if they are licensed for that weight. This was added to the descriptions of several trucks, where there was just the estimated gross weight based on generic wheelbases.

How to move your tandems: the Post-IT method

James Moore, a Big Truck Guide reader contributed these instructions on how to move your tandems. He writes: Step 1: A method I use & (also train students) with is by using post it notes. Tear a post it note in 1/2. Put 1 piece on the trailer marking where the tandem pin is. Use … Read more