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  1. #1
    Member
    Join Date
    Jul 2010
    Posts
    40
    Location
    Grants Pass, Oregon
    Tractor
    Jinma 284

    Default 284 jumping out of, and now stuck in gear

    As the title states, several days ago my 2010 284 started jumping out of gear while driving, including reverse. It made no unusual noises and had no other symptoms, so I continued to use it for several hours to finish a job... I just held the gear shift in place with my knee. I completed my task and shifted from R to 1st and now it's stuck in 1st. The gear shift itself has no friction and feels disconnected.

    Not looking for anything particular here, just wondering if anyone has dug into this area and has any pointers/advice... my schematic is rather vague.

    Thanks, Brad

  2. #2
    Platinum Member
    Join Date
    Nov 2008
    Posts
    794
    Location
    US Virgin Islands
    Tractor
    Jinma JM304

    Default Re: 284 jumping out of, and now stuck in gear

    Probably busted the shift lump off the shifter. I'd suggest calling Tommy or Jerry at Affordable Tractor Sales and get their opinion and then order the necessary parts from them. Or try Phil or Ben at Cirgle G.

  3. #3
    Elite Member RonMar's Avatar
    Join Date
    May 2005
    Posts
    2,692
    Location
    Port Angeles WA
    Tractor
    Jinma 284 delivered 06/28/05

    Default Re: 284 jumping out of, and now stuck in gear

    Have you pulled the transmission top cover? These things are pretty simple and a good looksee might tell the tail. Possibles are a broken shift fork or a broken pin that holds the fork to the rod. That might be fairly easilly recovered. A broken fork not so much and usually requires the tractor/trans be split in two to get the rods out and a new fork in place...
    Ron

  4. #4
    Member
    Join Date
    Jul 2010
    Posts
    40
    Location
    Grants Pass, Oregon
    Tractor
    Jinma 284

    Default Re: 284 jumping out of, and now stuck in gear

    Thanks for the info.

    No, I have not pulled anything yet, and I don't anticipate the fix will be too difficult. But with you guys as a resource, it never hurts to double check for the unexpected.

  5. #5
    Platinum Member
    Join Date
    Dec 2006
    Posts
    585
    Location
    Coastal Rhode Island
    Tractor
    Jinma 354, purchased 2007

    Default Re: 284 jumping out of, and now stuck in gear

    I broke a shift fork a few years ago. The cover on the transmission comes right off with a few bolts, no need to drain the oil or anything, you can look right in and see what's going on, goes right back on with no trouble too. My bet is if you take the cover off you'll know in five minutes what the problem is.

    When I broke my shift fork, it was five minutes to take the cover off and see the problem, and once I had the part in hand ten minutes to put it in and put the cover back on.

  6. #6
    Super Member greg_g's Avatar
    Join Date
    Dec 2003
    Posts
    5,984
    Location
    Western Kentucky
    Tractor
    JD3720 Cab, 300X loader with 4-in-1 bucket

    Default Re: 284 jumping out of, and now stuck in gear

    Biggest concern about broken internal components is - how big is the broken piece and where did it go?. I once lost a 1/4" diameter steel bearing from under a shift lever, and six months later it trashed my transfer case.

    //greg//
    USN (Ret)
    Former Chinese tractor owner (x4)
    Current John Deere owner

  7. #7
    Member
    Join Date
    Jul 2010
    Posts
    40
    Location
    Grants Pass, Oregon
    Tractor
    Jinma 284

    Default Re: 284 jumping out of, and now stuck in gear

    Finally had a chance to pull the cover and it's a missing roll pin at the fork/rod. Thanks for the help.
    Brad

  8. #8
    Platinum Member
    Join Date
    Dec 2006
    Posts
    585
    Location
    Coastal Rhode Island
    Tractor
    Jinma 354, purchased 2007

    Default Re: 284 jumping out of, and now stuck in gear

    Well that's good news. You need to make sure that roll pin isn't in the transmission somewhere, it can cause a whole lot of trouble. I think I would drain the oil and see if I can spot it.

  9. #9
    Advertiser
    Join Date
    Sep 2010
    Posts
    63
    Location
    Lamar, MS
    Tractor
    Jinma

    Default Re: 284 jumping out of, and now stuck in gear

    We have seen that happen a few times over the years, glad it was that easy of a fix.

    Ben
    Circle G Tractor Sales, Inc.

  10. #10
    Super Star Member Diamondpilot's Avatar
    Join Date
    Jan 2007
    Posts
    13,837
    Location
    Daleville, IN
    Tractor
    Jinma 254/284 Ford 861 Powermaster at work

    Default

    I agree. Locate the old roll pin.

    Chris

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