Alberta now has longer wheelbase permits available. If the tractor’s wheelbase is over 244″ but does not exceed 283″, an annual wheelbase can be purchased for $15.00 CN.

The trailer wheelbase will need to confirm to the following:

Tractor wheelbase Max Trailer wheelbase

up to 246″ 41′

up to 252″ 40′ 8″

up to 256″ 40′ 4″

up to 260″ 40′ 4″

up to 264″ 40′

up to 268″ 39′ 8″

up to 272″ 39′ 8″

up to 275″ 39′ 4″

up to 280″ 39′

up to 283″ 39′

This longer wheelbase permit does not apply to any over dimensional loads.

The longer wheelbase permit is order from by the driver at:

AB Central Permit Dept


  1. September 14, 2010 at 1:10 pm

    how does this work with a spreed axle trl 48 ft I have 265 wheelbase tractor

    • Jason Schaftlein
      September 14, 2010 at 1:44 pm

      Well, Ken, you can get the wheel base permit to allow your tractor into AB. Just remember that Alberta, and the rest of the Western Provinces do not recognize a spread axle. They will not allow you to enter with any more than 20,000 pounds total on your spread axles.

  2. John & Carol Wieczorek
    September 16, 2010 at 12:25 pm

    Jason is the overall lenght still apply? How are they measuring the wheelbase is it from the kingpin to rear axle? Last time I talked to the Canadian scales I understood if you needed a permit it would be a max of 65 ft overall lenght of T & T. Let us know. Thanks for the blog!
    John & Carol 7439

  3. Jim Jacobson
    September 17, 2010 at 2:58 pm

    I really want to go to alaska. When BC changes there laws, then I’ll get excited.

  4. chuck powers
    October 19, 2010 at 10:35 pm

    plz tell me how to measure . does overall length still apply with a permit. we need to know the straight skinny before we accept a load and make mercer look bad at the scales. Phone number website anything would be appreciated. I wanted to take a ld for sis today and couldnt find anybody that knew what the law was for sure. Cant be to careful in todays enviroment . Let us know.

  5. Dom
    November 4, 2011 at 8:27 am

    I’m wondering the same thing. Overall lenght shouldn’t exceed 65 ft from what I got. Is there something I’m missing ? Because that would mean it’s impossible to operate even a 48 ft flatbed with this type of permit

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