Trucking in North America vs around the world

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Bean Jr., Oct 26, 2017.

  1. Cat sdp

    Cat sdp . .

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    Ever heard of these trucks…?

    EA7A9D38-0FC8-490B-83C2-919E8726E3C9.jpeg
     
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  3. 98989

    98989 Road Train Member

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    not familiar with this truck, what it is?

    mack drive axles?
     
  4. JBT

    JBT Light Load Member

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    Is hydrodrive a better and cheaper solution in the long run when it comes to service cost and reliability?
     
  5. 98989

    98989 Road Train Member

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    No, it is more expensive to buy, maintain.
    But is cheaper to operate, fuel efficient, lighter ...
    Hydrodrive is not replacement for real drive, just termperally help.
    Many people buy it and abuse it, so after some time it cost. Plus important for you is it needs to heat oil before it works
     
  6. haycarter

    haycarter Road Train Member

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    Looks like the Ruskie runs on the smell of an Oily Rag...
    [​IMG]
     
  7. bengt

    bengt Light Load Member

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    Last edited: Mar 11, 2023
    Cat sdp Thanks this.
  8. bengt

    bengt Light Load Member

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    Som russkie axles. Other who made simmilar axle hubs were Scania and, if I remeber right, also Büssing.
     
    98989 Thanks this.
  9. AModelCat

    AModelCat Road Train Member

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    I know exactly where you took those photos lol.

    Reason we run tridrives is because lift axles are not legal on trucks in western Canada. Gotta work within the rules. If you're going to have 3 axles back there they may as well be pushing you along. Plus you get much better floatation with tridrives over tandems. You can barefoot in to places that you'd have to chain up a tandem to get in to.
     
  10. AModelCat

    AModelCat Road Train Member

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    Turning radius increases but its not nearly as bad as you'd think. Once you leave the pavement and get into the rough stuff you pretty much lock in the interaxle and go. Lock in the other diffs as needed.

    Trailers are simple and they last. Back in the 80s/90s the pole trailers were just solid mounted walking beams and a square tube for a reach. Front portion on the reach held a compensator, which would slide in/out of the reach on turns. They'd last an easy 10-15 years and besides brakes/tires they really didn't require much in the way of maintenance. They'd start getting cracks after a few years of being pounded down the bush roads but everyone just welds them up and keeps hauling. Newer trailers are now mostly air ride. Only reason they use "quads" now is because the mills don't want full length trees. 2 bundles of shorts on trailer and a bundle of intermediates on the trucks.

    The only 4 bag/axle suspension I'm aware of is the KW AG400 and it is not a desirable suspension for off-road work. Neway is the go-to for air ride on everything here these days. Hendrickson Primaax is 2nd. Nobody uses walking beam suspensions on trucks here anymore unless its something extremely heavy duty.
     
    Last edited: Mar 11, 2023
  11. JBT

    JBT Light Load Member

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    Are you allowed to dump the air on individual axles?
    In Scandinavia you usually order tag tridem trucks with dump valves on the 3rd and 4th axle to get better traction in the winter.
     
    Bean Jr. Thanks this.
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