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  1. #1
    Bobtail Member
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    Super 10 transmission

    Hi everyone,
    New to board and so glad I found it!
    Can someone give me their thoughts on a super 10 transmission?
    Someone told me that this transmission will cause the truck to use more fuel? Is this true?
    Thank you for your help.


  2. #2
    Road Train Member
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    Assuming that the transmission has the same internal ratios as a regular roadranger, particularly the final ratio in high gear, it will have no effect of any kind on the fuel mileage of the truck.

    many people love Super 10's, and as many people hate them. To me, they are just another transmission, and as long as they are geared properly for the work, it takes me about 30 seconds to adjust from one shift pattern to another. My 02.

  3. #3
    Bobtail Member
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    I learned on a Super 10. The truck I drive also has one. I average 8.6 MPG.

  4. #4
    Medium Load Member Bullwinkle's Avatar
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    The type of transmission really isn't a factor when it comes to fuel mileage. As Burky said, the main thing is how the gearing is set up. Find the proper gear ratio setup for the speed you plan on running when you spec out a truck.

    The other big thing that effects fuel mileage is the driver, especially with the Super 10, or as the later ones are called, Lightening 10's. To be honest, a large number of drivers that run with these transmissions don't really know how to shift them properly. Most don't even realize that the range selector is electronic, not air operated.

  5. #5
    Heavy Load Member Sad_Panda's Avatar
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    A super10 is just like a 5 speed with a two speed rear end. While I haven't driven a super10, I have driven a 5 speed with 2 speed rear end, pretty easy. I don't like the straight 10 because of the dogleg 5/6, and would much rather use the roadranger double H style.

    But as long as the top cog is the same across all the engines, there shouldn't be that much change in fuel mileage. I guess it completely depends on how much HP the transmission itself takes to turn.

  6. #6
    "Enemy of showers everywhere" wallbanger's Avatar
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    IMHO, the super 10 is the best paperweight eaton ever made. The lightning is acceptable, however, it too suffers from the common problem of the trans up-and-downshifting between 9-10 automatically (when the cruise is on). It takes so long to bang the shift home that you lose momentum (pulling a grade) and soon the trans is grabbing 9th again.

  7. #7
    Light Load Member crazy35752's Avatar
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    super 10 is a good transmision as long as it is working good sometimes the top two gears that are automatic will act up and cant find its way into gear but they dont make a truck use more fuel that is usually the way the driver runs his truck maybe this will help

  8. #8
    Trucker Forum STAFF
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    There was a problem with the engine computer, (ECM) and the transmission controls holding the trans in the wrong gear, Cummins ISX in Internationals, used mostly by CRST. The new CRST trucks are Freightliner Columbias with straight 10 speeds. That could cause more fuel to be used, but the biggest problem was that you had to shut the engine down for 15 minutes, or something like that to clear the malfunction. If you didn't use the cruise control, you could shift manually and avoid that trouble.

  9. #9
    Light Load Member crazy35752's Avatar
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    The one I drove was a freightliner with a detroit, it got to the point where it would act up so bad that when it would try to go into 10th I would pull it out of gear and it would idle up and down for a few seconds then it would overide the automatic top 2 then would have to do it all over again if I cut it off

  10. #10
    Bobtail Member
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    I drove a super 10 for about a month, it was in a mack,hated it,sure was glad when they gave me my freightshaker,seeya.

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