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1982 w900 a

Discussion in 'Kenworth Forum' started by scootenduck, Feb 28, 2012.

Page 1 of 2
  1. Feb 28, 2012 #1
    scootenduck

    scootenduck Bobtail Member

    3
    1
    Feb 28, 2012
    monticello,ar
    0
    I bought a 1982 W900 A kenworth. It has 400 A model cat, 13sp and 4.11 gears. If you have to stop on any kind of incline it is hard to take off. It torque's over really bad. It is like the clutch grabbing. I changed out the clutch and put new bushings on the rearends, but that didnt help. It has a ag 100 suspension. Would a 15sp deep reduction transmission help with the problem? Any help would be appreciated. Thanks.
     
    scootenduck, Feb 28, 2012
    scootenduck, Feb 28, 2012
    #1
    Slick900 Thanks this.
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  3. Feb 28, 2012 #2
    black ultra

    black ultra Light Load Member

    62
    13
    Feb 16, 2012
    conroe tx
    0
    I'm gonna say,that you probably need new motor mount bushings!!
     
    black ultra, Feb 28, 2012
    black ultra, Feb 28, 2012
    #2
  4. Feb 28, 2012 #3
    jimvrg

    jimvrg Medium Load Member

    301
    83
    Jan 11, 2012
    yellville arkansas
    0
    18 speed would work
     
    jimvrg, Feb 28, 2012
    jimvrg, Feb 28, 2012
    #3
  5. Feb 28, 2012 #4
    swaan

    swaan Road Train Member

    2,942
    4,374
    Jul 12, 2009
    BC canada
    0
    Sounds like a grabbing clutch, did you resurface the flywheel.
    What kind of clutches are you using? Is it adjusted correctly?
    A lot of variables here. You should not be having any issues lifting off with those gears and that 13 sp. check your motor mounts for broken bolts ect. Hope you get it figured out.
     
    swaan, Feb 28, 2012
    swaan, Feb 28, 2012
    #4
  7. Feb 29, 2012 #5
    scootenduck

    scootenduck Bobtail Member

    3
    1
    Feb 28, 2012
    monticello,ar
    0
    I had changed the front and back motor mount bushings also. The shop I used said they put a easy pedal eaton clutch in it and was susposed to resurface the fly wheel. It has about 2 inches of free travel. the shop I used said the linkage was good. Thanks
     
    scootenduck, Feb 29, 2012
    scootenduck, Feb 29, 2012
    #5
  8. Feb 29, 2012 #6
    mgfg

    mgfg Road Train Member

    1,753
    626
    Mar 29, 2010
    0
    Changing the trans will NOT solve your problem. Without looking it up the difference between a 13 and a 15 in the bottom hole will be negligable>a 13 speed and 4:11 rears is an extremely low setup>today's trucks are 13 speeds and 3:55's or 3:26's.
     
    mgfg, Feb 29, 2012
    mgfg, Feb 29, 2012
    #6
  9. Feb 29, 2012 #7
    Bob's Buzz

    Bob's Buzz Light Load Member

    96
    21
    Jan 15, 2011
    Georgetwn, Calif.
    0
    Back in the day I drove for a Co. that had a fleet of them THEY all did what U are saying from new!... Bad design! be carefull ...never let anyone else drive it
     
    Bob's Buzz, Feb 29, 2012
    Bob's Buzz, Feb 29, 2012
    #7
  10. Feb 29, 2012 #8
    swaan

    swaan Road Train Member

    2,942
    4,374
    Jul 12, 2009
    BC canada
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    What is your idle rpm set at? You could try lowering it to 600 rpm see if that helps. Pick a gear that you can lift off with no throttle. You should not be having any issues with what your specs are.
     
    swaan, Feb 29, 2012
    swaan, Feb 29, 2012
    #8
  11. Feb 29, 2012 #9
    scootenduck

    scootenduck Bobtail Member

    3
    1
    Feb 28, 2012
    monticello,ar
    0
    It idles around 600. It doesnt seem as bad sometimes if it is idling around 700 rpm
     
    scootenduck, Feb 29, 2012
    scootenduck, Feb 29, 2012
    #9
  12. Mar 1, 2012 #10
    NadeauTrucking

    NadeauTrucking Light Load Member

    85
    45
    Jul 24, 2011
    Bristol, CT
    0
    My LTL does that also. Very little slip, grabs hard even with slow release of the clutch but im used to it.
     
    NadeauTrucking, Mar 1, 2012
    NadeauTrucking, Mar 1, 2012
    #10
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