Rocky Mountain doubles lcv combo ?

Discussion in 'Canadian Truckers Forum' started by Garth_pete, May 5, 2024.

  1. Garth_pete

    Garth_pete Bobtail Member

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    May 5, 2024
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    Hey can any of you LCV guys provide some real insight on Rocky Mountain doubles ! I would like to know the correct length of an actual rocky set ? I see companies pulling a 53ft with a 36 ft pup !! I don’t think that’s a rocky set. What’s the actual combo ? And length ? Please let me know
     
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  3. Snoopycda

    Snoopycda Medium Load Member

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    RMD's are 41 meters on four lane and 31 meters on designated two lane in Western Canada.
    Given that answer, then what exactly is a RMD? A 53' and a 48' would qualify as such on four lane highways. Right?
     
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  4. Ex-Trucker Alex

    Ex-Trucker Alex Heavy Load Member

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    Depends on your definition of "Rocky Mountain Doubles". In the US, it's a 48' 2-axle trailer and a 28'6" single axle pup on a single axle dolly. A 53' and a 48' would be a Turnpike Double (or, en Quebec, a Train Routier).
     
  5. upnorthwpg

    upnorthwpg Road Train Member

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    I’m an lcv instructor. It can be any combination longer than 82 feet, to the limit of the provincial permit. The most common is a 48 or 53 foot trailer with a 28’ pup, just because most companies use 28’s.
     
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  6. Snoopycda

    Snoopycda Medium Load Member

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    I am an LCV instructor also, in Alberta. A RMD maximum length is 41 Meters on four lane. A 53' and a 28' would need a really long wheelbase tractor to get to 41 meters.
    I have come to the conclusion that it is any two trailers that have different lengths.
     
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  7. upnorthwpg

    upnorthwpg Road Train Member

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    Yes you guys have the 2 and 4 lane thing. Forgot about that.
     
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