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  1. #1
    New Member
    Join Date
    May 2012
    Concord, NC
    John Deere 820 3 cylinder diesel

    Default 1969 John Deere 820 transmission questions

    I bought a 1969 820 3 cyl. with plans to restore it. I have found information on that shows that these tractors "with a sliding gear" tranny have 7 forward and 1 reverse gear (which is apparently what I have). Although the John Deere owners manual I got off eBay says that they either had 7 or 8 forward and 4 reverse gears. Can anyone tell me if I am going to have to tear into the tranny and fix it? Or is this the way they are? Any information would be helpful. THANKS

  2. #2
    Super Star Member
    Join Date
    Feb 2008
    somewhere usa
    Deere 110tlb, 4520, x749, L130

    Default Re: 1969 John Deere 820 transmission questions

    Welcome to the forum first of all, this is a good place to find information on your tractor as there are several members with these tractors.

    From what I can tell the Collar shift transmission was available in three versions.

    From the 820 Tractor technical manual TM-4212 (Jan-70)
    "Collar shift transmission

    8-speed transmission with parking lock, without independent hand brake, 8-speed transmission without parking lock and with independent hand brake; 8-speed transmission without parking lock, with blocked 8th gear and independent hand brake.

    With this transmission 8 or 7 forward and 4 reverse speeds are available."

    The question about whether the Sliding gear transmission is the same I don't know. My 1973 820 has the 8F 4R with park position.
    Last edited by jenkinsph; 05-25-2012 at 12:40 AM.

  3. #3
    Super Member
    Join Date
    Apr 2004
    East Coast of Lake Huron
    Deere, several

    Default Re: 1969 John Deere 820 transmission questions

    Best place for data is the JD site for the online parts book. And 1-800-522-7448 for the service and operator's manual. Those 820's have an open center hydraulic system which can be a concern if setting up for a loader etc. Which plant was the tractor built in? Info should be on both the serial number tags.

  4. #4
    Super Member Tx Jim's Avatar
    Join Date
    Jan 2007
    Coyote Flats,Tx
    JD 4255/Kubota M7040 HDC

    Default Re: 1969 John Deere 820 transmission questions

    Here's 2 photos of the 820 trans COUNTERSHAFT AND BEARING SUPPORT,1st is sliding gear & 2nd is collar shift trans. It would require a lot of labor & parts to change a 7 speed to an 8 speed(vice-verse). I sold 820's when they were new and have never seen a 7 speed model although they exist.
    Attached Thumbnails Attached Thumbnails 1969 John Deere 820 transmission questions-l42948_________un01jan94-gif   1969 John Deere 820 transmission questions-l46023_________un01jan94-gif  

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