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10 speed converted to a fuller 13 speed

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Duliz, May 1, 2008.

Page 1 of 2
  1. May 1, 2008 #1
    Duliz

    Duliz Bobtail Member

    31
    0
    Mar 15, 2008
    McAllen, TX
    0
    After reading all of your responses about what truck to buy, I'm about to purchase an 05 pete 387 with 286k miles in the odo, 475hp cummins, and here it goes a 10 speed converted to a 13 speed and 3.70 ratio. My question is what is the difference between a 13 speed and a 9 or 10 speed converted to a 13 speed??? will it be as reliable??? what about gas mileage? should I continue with the deal? Thank you guys for your great input.
     
    Duliz, May 1, 2008
    Duliz, May 1, 2008
    #1
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  3. May 2, 2008 #2
    550hpW900L

    550hpW900L Road Train Member

    1,874
    1,090
    Jan 29, 2008
    norcal
    0
    Doubt it was a 10 speed, as you cant covert em i dont think. Propably was a 9 speed.
     
    550hpW900L, May 2, 2008
    550hpW900L, May 2, 2008
    #2
  4. May 3, 2008 #3
    maxeffort

    maxeffort Bobtail Member

    28
    22
    Apr 23, 2008
    central, MA
    0
    To have converted it would have to have 13 speed rear section and related parts installed. As long as it runs quiet and was done properly, it shouldn't be a problem.
     
    maxeffort, May 3, 2008
    maxeffort, May 3, 2008
    #3
  5. May 3, 2008 #4
    MedicineMan

    MedicineMan Road Train Member

    5,799
    6,440
    Jan 13, 2007
    Woodville, TX
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    You can add the rear section to a 9 speed to make it a 13 or you can take a 13 direct and flip the last gears and make it a double overdrive but it leave a BIG jump between 12th and 13th.

    it probably had a 13 speed swaped in place of th 10 seed.

    Ratios would vary depending on which model 13 it is. there is a bunch
     
    MedicineMan, May 3, 2008
    MedicineMan, May 3, 2008
    #4
  7. May 3, 2008 #5
    Duliz

    Duliz Bobtail Member

    31
    0
    Mar 15, 2008
    McAllen, TX
    0
    Thank you guys for all of your great responses. What I know is that the tranny was converted to a 13 speed and it doesn't have a checkmark for overdrive. It has 3.70s in the rear end differential. I wonder if it is going to be a fuel saver?????

    http://www.truckpaper.com/email.asp?emid=864753
     
    Duliz, May 3, 2008
    Duliz, May 3, 2008
    #5
  8. May 4, 2008 #6
    18wheeldumptrucker

    18wheeldumptrucker "Buckeye Bucket"

    291
    67
    Apr 1, 2008
    Sullivan, Ohio
    0
    That conversion was done to my truck. It came with the road ranger 9 speed and the previous owner switched to the 13. I have had absolutely no problems at all with it and I really appreciate being able to split those upper gears on the hills. If I ever buy a truck with the 9 in it, I would definatly have the conversion done.
     
    18wheeldumptrucker, May 4, 2008
    18wheeldumptrucker, May 4, 2008
    #6
  9. Jul 25, 2011 #7
    totallylost

    totallylost Bobtail Member

    1
    0
    Jul 25, 2011
    rogers, mn
    0
    Can anyone give me an idea of the cost $$$ to convert a 10 speed eaton Fuller Road Ranger to a 13 speed?
     
    totallylost, Jul 25, 2011
    totallylost, Jul 25, 2011
    #7
  10. Jul 25, 2011 #8
    DL550CAT

    DL550CAT Road Train Member

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    Oct 18, 2009
    Waynesburg, Pa
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    It would cost the price of a 13 spd plus the labor to install it. The only way to "convert" a 10 spd is to replace it. Only 9spds can be converted and only some of them.
     
    DL550CAT, Jul 25, 2011
    DL550CAT, Jul 25, 2011
    #8
  11. Jul 26, 2011 #9
    SpankingGT

    SpankingGT Light Load Member

    253
    55
    Sep 9, 2010
    0
    3.70 rear? What kind of work are you going to be doing? 3.70 is no good for OTR
     
    SpankingGT, Jul 26, 2011
    SpankingGT, Jul 26, 2011
    #9
  12. Jul 26, 2011 #10
    Jfaulk99

    Jfaulk99 Road Train Member

    2,914
    1,652
    May 16, 2009
    Couch
    0
    It is with 11R24.5's, I've got 2 with those gears and they run around 1500 at 65. Would be too slow with little wheels/tires.
     
    Jfaulk99, Jul 26, 2011
    Jfaulk99, Jul 26, 2011
    #10
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