Have a Volvo 780 455 horsepower 12-spd auto can I do heavy haul

Discussion in 'Volvo Forum' started by Weedieman, Aug 3, 2022.

  1. Weedieman

    Weedieman Bobtail Member

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    I just purchased a RGN 40 ton trailer and I want to know if I can do any heavy hauling with my Volvo 780 455 horsepower 12 speed auto transmission
     
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  3. beastr123

    beastr123 Road Train Member

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    455 is a bit low if you are going to play heavy in the mountains but is do-able. The I-shift is a good transmission as long as you don't mash it in the lowest 2 gears.
    In Canada that tractor is fully capable of pulling super-b's(8 axles) at 140k but most owners turn them up to 505hp.
     
  4. 86scotty

    86scotty Road Train Member

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    Yep, go have a dealer turn it up for you. What year? It cost me about a grand to have my 2015 D13 turned up from 425/1500 to 500/1750.

    Gamechanger.
     
  5. Weedieman

    Weedieman Bobtail Member

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    2016
     
  6. Weedieman

    Weedieman Bobtail Member

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    I'm not trying to pull crazy I was just trying to get my feet wet and try to stay with loads 55-60k that will keep my overall weight under 100,000
    My truck weight is 20300lbs my trailer weight is 15300lbs I run out west here in America I avoid the big mountains on 70 in Colorado I try to avoid all of the big mountains I run a lot of flat land from Chicago all the way to Boise Idaho on 80 so you say your trucks in Canada like the one I have run heavy with no problem
     
  7. Weedieman

    Weedieman Bobtail Member

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    Not looking to go that heavy just trying to stay right around that $100,000 and under just want to get where I'm making a little bit more money where I can step up and get me a more powerful truck thank you for answering my question
     
  8. Another Canadian driver

    Another Canadian driver Road Train Member

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    Change the power to 500 HP minimum.
     
  9. Weedieman

    Weedieman Bobtail Member

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    Ok so 500 with that 12-speed eye shift transmission will be okay for how much weight can I pull with no problem if you can tell me
     
  10. Another Canadian driver

    Another Canadian driver Road Train Member

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    110k pounds/50T.
    I do it with a 2012 VNL 64T780 500HP 2.64 rear ends, direct drive I-Shift.
    68mph/1500 RPM.
    110kpound fuel mileage is 6.5 miles/US gallon/year average, no mountains.
    I could do 7 miles/US gallon average if I limit max speed to 60/mph 1300 RPM top.
    I hope it helps you.
     
    beastr123 Thanks this.
  11. Weedieman

    Weedieman Bobtail Member

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