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10 speed vs 13 speed????

Discussion in 'Ask An Owner Operator' started by CapeBuffalo, Sep 17, 2013.

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  1. Sep 17, 2013 #1
    CapeBuffalo

    CapeBuffalo Light Load Member

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    Oak Ridge TN
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    Looking to get my own truck, which do you guys prefer and why? Gas mileages is the main thing isn't it? :biggrin_255:
     
    CapeBuffalo, Sep 17, 2013
    CapeBuffalo, Sep 17, 2013
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  3. Sep 17, 2013 #2
    dannythetrucker

    dannythetrucker Road Train Member

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    I have one truck with a 10 and one with a 13. In top gear they both run 64 @ 1500 rpms. For fuel mileage that's the most important thing, rpms at cruising speed in top gear. I don't know what is optimal there, depends what speed you are generally going to run. I think I would get better mileage if I could run 64 @ 1350 or 1400.

    The 13 is nice for small hills to just split down to 12 rather than shifting from 10 to 9. It's handy, but not a major factor for me.
     
    dannythetrucker, Sep 17, 2013
    dannythetrucker, Sep 17, 2013
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  4. Sep 17, 2013 #3
    snowwy

    snowwy Road Train Member

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    you would think the lower rpm's would get better mileage. but it's the other way around.

    higher rpms means more power. so the engine isn't working as hard to pull the load.
     
    snowwy, Sep 17, 2013
    snowwy, Sep 17, 2013
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  5. Sep 17, 2013 #4
    TripleSix

    TripleSix God of Roads

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    I've never put gas in my truck. Well, at least nothing that Tums and Rolaids wouldn't help with.
     
    TripleSix, Sep 17, 2013
    TripleSix, Sep 17, 2013
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  7. Sep 17, 2013 #5
    TripleSix

    TripleSix God of Roads

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    Keeps the EGTs down too.
     
    TripleSix, Sep 17, 2013
    TripleSix, Sep 17, 2013
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  8. Sep 17, 2013 #6
    Guntoter

    Guntoter Road Train Member

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    10 speed is so much more work for you and the engine. Engine brakes work better with 13/18 because you can keep the engine closer to 2000 RPM. With a 13 when the engine slows to 1600 you can grab another gear down, with a 10 you have to wait till 1300 to downshift.
     
    Guntoter, Sep 17, 2013
    Guntoter, Sep 17, 2013
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  9. Sep 17, 2013 #7
    25(2)+2

    25(2)+2 Trucker Forum STAFF Staff Member

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    I was thinking about this last night, when I was putting the 10 speed in 8th gear at 25 mph.

    I like the engine transmission combination I have now, but I really do like a 9 speed better than a 10 because of the gear progression, you can actually have more spread and higher speed on the low side with a 9, than with a ten, and the 13/18 is a nine with the splitter added.

    I started with 9 speeds and I don't think the 10 is as good from what I have seen in almost 10 years. An ag tractor is much the same way, having a better running engine tends to make up for less gears.

    A good running engine is actually more important to me now than the number of gears.
     
    25(2)+2, Sep 17, 2013
    25(2)+2, Sep 17, 2013
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  10. Sep 17, 2013 #8
    Truck609

    Truck609 Light Load Member

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    Dec 17, 2011
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    13 Speed Hands Down! The 10 Speed Is Junk To Me. The Only Thing Worse Than A 10 IS A Super 10....Nasty!
    A 13 Allows You To Stay In The Optimal RPM Range For The ConditioNs You Are In. This Means Optimal Engine Performance, Fuel Mileage, Engine BrAking, Etc.

    On A Side Note, Why Is My Phone Capitalizing All These Letters? HaHaHa
     
    Truck609, Sep 17, 2013
    Truck609, Sep 17, 2013
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  11. Sep 17, 2013 #9
    DenaliDad

    DenaliDad Retired Wheel Dog

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    You must have that new Gremlin phone with the Cap-a-Letter app.
     
    DenaliDad, Sep 17, 2013
    DenaliDad, Sep 17, 2013
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  12. Sep 17, 2013 #10
    Buckeye91

    Buckeye91 Road Train Member

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    Why dont you like the Super 10s? My aunt has one and loves it. I trained in a 9, then a 13, love the splitter. I havent had a chance to personally drive her super 10 yet, been waiting for her to get out of the office for a day and go drive, so I can go with her and try it out. She can not drive a 13 to save her life though.
     
    Buckeye91, Sep 17, 2013
    Buckeye91, Sep 17, 2013
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