Best Used Cab Chassis for 25ft Box? 6000lbs load

Discussion in 'Experienced Truckers' Advice' started by Chotu, Nov 27, 2021.

  1. Chotu

    Chotu Bobtail Member

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    Nov 27, 2021
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    I need to find the best cab chassis for adding a 25ft box that weighs 6000lbs.

    I need to be able to go down rough back roads with ruts and rocks. I also need to be able to travel across the country or to Alaska without worrying.

    Was looking at Isuzu NQR trucks, but I saw they blow through engines fast when driven on the highway all the time. Is that true??

    The shorter the length of the cab added to the 25ft box the better. For parking. That’s why I was looking at the NQR.

    thanks
     
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  3. Ridgeline

    Ridgeline Road Train Member

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    Get a class 8 truck, cascadia with a 60” sleeper should give you 10 feet bbc, which you can put a 25 foot box on it, this will meet the under 40 foot requirements in all states.

    it haul the weight and be dependable enough to travel where you need to go.

    An Isuzu will be a tiring drive and they don’t last.
     
  4. Chotu

    Chotu Bobtail Member

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    Nov 27, 2021
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    I’m non-CDL and the 25ft, 6000lbs box IS the sleeper.

    It’s a custom RV.

    I heard the same thing about the Isuzus.

     
  5. GreenPete359

    GreenPete359 Road Train Member

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    If you’re building a custom rv then you won’t need a cdl regardless of truck size. Get yourself a class 7 vocational truck like a Peterbilt 537 or 548 with a beefed up suspension to give you extra ground clearance.
     
  6. Brandonpdx

    Brandonpdx Road Train Member

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    Older F-450 or 550 with the 7.3 and preferably the 6 speed manual transmission are pretty stout small trucks. Most of them were regular cab vocational/utility trucks that are readily available used for pretty cheap. Probably you'd want an 84" cab/axle frame length at least. I would slightly prefer the 450 because it had the very common and not hard to fix Dana 80 rear end where as the 550 had a bigger medium duty Dana axle that was $$$ to service and repair and had a tendency for the housing tubes to crack at the spring perches from being overloaded. A big dollar repair.
     
  7. MacLean

    MacLean Medium Load Member

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    Or a bus. Busses can be gotten cheap and would likely have a better motor that the Isuzu.
     
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