Non-Synchronous Transmissions

Discussion in 'Expediter and Hot Shot Trucking Forum' started by zmster2033, May 25, 2017.

  1. zmster2033

    zmster2033 Light Load Member

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    Apr 28, 2011
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    Is anyone able to tell me if box trucks have non-synchronous transmissions? Looking to get some practice with one and was wondering if they are in box truck setups.
     
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  3. OLDSKOOLERnWV

    OLDSKOOLERnWV Captain Redbeard

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    Haven't driven a box truck in a number of years, sure use to fix a lot of the 6+ transmissions in the single axle Internationals. Dumb clueless seat warmers would bend the shifting forks in them every time!! Hopefully someone will chime in that is more familiar with newer trucks. But I would say trucks smaller than class 7 are synchro, or automatic.
     
  4. ExOTR

    ExOTR Windshield Chipper Extraordinaire

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    I've driven a few Hino boxes that were not syncroed, and an older freightliner box.

    Seems like most are going Auto now though.
     
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  5. 201

    201 Road Train Member

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    high plains colorado
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    Most of the straight trucks I've driven have, and it's called "synchromesh" transmissions, like a car. Every rental box truck was an automatic. I don't think you can even get a manual trans rental truck now. It isn't until you get into the heavy duty tandem axle, or a road tractor, where the non-synchromesh transmissions are. Most, if not all trucking companies have automatics now, but it wouldn't hurt to know how to shift, just in case. Not sure how you'd go about that, short of renting a truck.
     
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  6. Ridgeline

    Ridgeline Road Train Member

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    The M2 with a 6+1 spicer are normally non-syncro.
     
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