Dump-Truck Operation

Discussion in 'Tanker, Bulk and Dump Trucking Forum' started by Lif3, Feb 10, 2026.

  1. Lif3

    Lif3 Bobtail Member

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    Feb 9, 2026
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    I'm setting combination's aside in favor of dump-trucks, way too much time in the shop due to fellow driver's not performing PTI's. They keep rolling getting paid, high csa scores and citations, while I sit in the shop. Operating dump trucks, not supers, (short-haul), no HOS, with the assumption of GAWR + Tire size and rating: Gross Vehicle Weight 80,000 lb, Steer Axle 20,000 lb, Tandem Axle 34,000 lb.

    Lining-up my ducks:
    What kind of clearance is there to crawl under the truck for brake inspection?
    What type Brake-chambers are commonly being used?
    What should the rookie driver do to mitigate over-weight loading? This State targets dump-truck over-weight.

    The company I'm planing to sign-on with has obvious preventable citation's without having to go under the rig. This tells me its the same as what I'm leaving but, more manageable at a mom and pop. None of the violations were under the truck, so I'll be able to catch them with ease. The current focus is mitigation of over-weight, enforcement never recognizes third party scaling, cat-scale only reimburses, does not negate the citation or a higher csa score. This needs to be handled before leaving the loading point.

    What can the rookie driver do to help her/himself?
     
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  3. GreenPete359

    GreenPete359 Road Train Member

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    A class 8 dump truck is basically a double framed class 8 tractor with a dump body on it instead of a fifth wheel.
     
  4. wore out

    wore out Numbered Classic

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    Don’t turn over
     
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  5. WitchingHour

    WitchingHour Road Train Member

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    There’s typically room to get underneath, though I’ve seen more than one porky porky who couldn’t actually fit under the axles.

    Brake chambers are more the same as what you’d have seen already on a T/T… if you’re running drum brakes you can expect to see T3030 in the drives and T20 - occasionally T22 - on the steers. Disc brakes, more likely to be T2727 on the drives and T17 on the steers.

    To avoid being overweight, basically know your truck and what you can scale. You’ll learn a feel for it over time, but dump trucks often load where there isn’t a scale, so it’s kind of a crap shoot. Operating a loader, you’ll know it GENERALLY holds 3 tons, 6 tons, whatever in the bucket, but the operators are as imperfect as anyone else.
     
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