Independent Front Suspension on trucks in the future?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by allisonisatranny, Oct 12, 2014.

  1. OLDSKOOLERnWV

    OLDSKOOLERnWV Captain Redbeard

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    Quite a few of them still out there....setting. You are correct, it was during the time of the "Viking" style that chevy had when torsion bar suspension was used in the medium duty trucks. Use to drive one with a V6 GMC engine, not a bad O'l truck at all, but then again it didn't see 80-100,000 miles a year neither.
     
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  3. 4x4_Welder

    4x4_Welder Medium Load Member

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    Bottom line is I don't buy propaganda. Give me a genuinely independent review and I may be swayed. Let me look the system over myself, see what kind of abuse it can take, maybe. Computer models of some engineer's dream- No.
     
  4. sdaniel

    sdaniel Road Train Member

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    We had to put in a wedge to get one truck right . It was doing what yours is now. Slipped in between the spring and axle. Think it was ether 3 or 5 degree.
     
    Last edited: Oct 14, 2014
    Jerry12 Thanks this.
  5. pupeperson

    pupeperson Light Load Member

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    "We had to put in a wedge to get on truck right . It was doing what yours is now. Slipped in between the spring and axle."

    That wedge is known as a "caster shim." Had to have the same thing done on a brand new 2014 Pete. It pulled to the right and they tried to say the fix (caster shim) wasn't covered under warranty. Ended up getting done under policy, but still....
     
    sdaniel Thanks this.
  6. magoo68

    magoo68 Road Train Member

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    If they can't get independent to last on 3/4 ton trucks(Chevy) I'm not sure I'd trust it on a class 8
     
  7. barroll

    barroll Road Train Member

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    What spring ride may lack in driver comfort, it more than makes up for it in dependability. My K100 still has the factory springs and torsion bars on it after 35 years.
     
  8. allisonisatranny

    allisonisatranny Light Load Member

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    Independent front suspension is widely used today and they do last. Most of your city buses today have it, most of your motor coaches today have it. Of course, they all pretty much have disc brakes and air ride too. I don't get why the Class 8 market is so behind on the times.

    What would fail on an independent front suspension? Why wouldn't it last? It makes no sense. The only wear items are bushings. Leaf springs wear out on trucks, do you complain about that?
     
  9. 98989

    98989 Road Train Member

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    how many drivers this truck worn out during 35years?

    here before we had some mack cabovers , there was saying one mack change 3 drivers during its life

    i wonder if ever any of bus rear suspension elements could find its way in trucks at least on rigids
     
  10. Pablo-UA

    Pablo-UA Road Train Member

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    In Ukraine Bogdan plant has independent suspension setup for buses and trolleybuses.

    They use Wabco ECAS with four level sensors and level control of evey wheel.

    This suspension runs very smooth, no sway in sharp turns, but rubber bushings wear is too expencive to fix, really every year (may be becouse we have rought roads).

    If operator ignore worn suspention, he may be faced to exessive tire wear.
     
  11. Darky

    Darky Light Load Member

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    Buses run a lot less weight than trucks. Plus the engine I'd usually out back which takes a big weight off the front suspension.

    Military 7ton transport trucks run independent suspension, but they haul a lot less weight than us and cover about as many miles in a year as an team driven OTR truck does I'm a month.
     
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