Chrome 3 position low-direct-od shift knob A-4487on a RTO14613

Discussion in 'Trucks [ Eighteen Wheelers ]' started by beemergary, Dec 15, 2017.

  1. beemergary

    beemergary Light Load Member

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    Apr 11, 2014
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    Can this be done? Can"t find an air diagram or want to buy it to find out won't work. Can find a diagram for an A-4900-A-6913 newer knobs. Eaton shows it for 12513 and 9513 trans. Found articles where guys used the knob with air line changes but didn't say they had a RTO 14613. If I knew how the air flowed could figure it out.
     
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  3. BoxCarKidd

    BoxCarKidd Road Train Member

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    Aug 26, 2014
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    How many air lines are on your current shift knob? 4 I thank?
     
  4. orfordguy

    orfordguy Light Load Member

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    Jan 21, 2017
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    My 13 in my I'd 900a has that knob.. had 5 lines when i took or off.. still have it somewhere.. see of its labeled when i get home.. tommorrow.. current shifter head is 4 hose and bleeder line.thing you'll need a t fitting underneath.
     
  5. wore out

    wore out Numbered Classic

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    Jun 5, 2013
    CHASIN THE DEVIL'S HERD
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    The chrome knob uses 3 lines. The slave valve for it became obsolete. If you still have a 12513 and the slave shoots craps you have to update to the new style knob. The slave valve difference is why the 14613 trans used the push pull knob clamped to shifter and just a direct over chrome round knob.


    All that said if you can find a 12513 with the 3 position knob and good slave valve you can achieve your goal. Yes I have done it
     
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  6. orfordguy

    orfordguy Light Load Member

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    Jan 21, 2017
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    I have both still mounted in the kenworth right along with the big cam 400 and rto13..
     
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