440 JD Crawler

Sam Riser · Post by **Sam Riser** » Wed Jan 05, 2011 7:50 pm

Have a Problem with shifting. Will not shift into any gear. Was working good until I stopped to reverse and the shuttle or trans. had no effect, would not pull. No noises or grinding gears. Have taken side plate bolts out but haven't pulled it off yet, looking for information . Thanks

pop pop · Post by **pop pop** » Thu Jan 06, 2011 9:47 am

hi sam, welcome to the forum, sounds like it might be locked into/between 2 gears, i would try rocking the machine back and forth, get a big bar and stick it into the tracks and have jethro push & pull on it while you wiggle the shifters,,,, if that don't get it,,, try pulling the shifter plate off the top of the tranny, looking inside you might be able to determine whats locked.

there was a similair post here about this a few months ago,, try using the search feature. let us know what you find out,

JD440ICD2006 · Post by **JD440ICD2006** » Thu Jan 06, 2011 11:02 am

Also, make sure the reverser is knuckled in either forward or reverse. There is technically no "neutral" on the reverser but it will not pull in any gear if it is not knuckled completely in one way or the other.
NOTE: Never place the shifter in reverse and use the reverser to go forward. This is a very expensive mistake. Use reverser in any forward gear only. Always come to a complete stop before moving the reverser, another expensive mistake.
I see videos on YouTube of folks shifting 440C's "on the fly". They were not designed to do that.

Sam Riser · Post by **Sam Riser** » Thu Jan 06, 2011 12:57 pm

Thanks for the info. I will try this out today and get back with you! I'm excited about the Message Bd. and the possibilities of information available!

Sam Riser · Post by **Sam Riser** » Thu Jan 06, 2011 3:13 pm

Doesn't seem to be locked in gear, it will roll with no problem. I didn"t put a bar in tracks and Jethro wouldn"t Push or pull! Will try again. Took side plate off, don't know what to look for but to me it looks to be knuckling in forward and backward. I appreciate the time ya'll are spending on this with me. Thanks

JD440ICD2006 · Post by **JD440ICD2006** » Thu Jan 06, 2011 3:43 pm

I would now pull the shifter plate off as suggested earlier to see what may be going on.

Sam Riser · Post by **Sam Riser** » Fri Jan 07, 2011 7:56 am

Thanks, Will try taking shifting cover off and taking a look.

Sam Riser · Post by **Sam Riser** » Fri Jan 07, 2011 3:00 pm

Took top cover off trans., appars to me to be ok. Put top back on as well as side cover, started engine, still will not pull. Reverser appears to be knuckling in and trans seems normal. Any more ideas? Thanks

steamfitter99 · Post by **steamfitter99** » Fri Jan 07, 2011 3:31 pm

Hello, without being able to see it, I would say it is a clutch spilling. You really have three cutches in there. Main engine clutch, clutch on the reverser for forward, and clutch on the reverser for reverse. If the engine is turning the reverser, then the reverser is out of adjustment or the ears are all broken off and it is going to slip. I think there is supposed to be 25 pounds of efort to engage to reverser so if its not that much, then you can adjust it. Tom

Sam Riser · Post by **Sam Riser** » Fri Jan 07, 2011 3:57 pm

Thanks for your reply. Got service manual in mail today, should help a bunch. It says 25- 35 lbs. Will study th book tonight and hope to check this out tomorrow! Expecting bad cold weather Sun. thru next week. May not get much done if it's cold and wet! Hope to learn more tomorrow. Thanks again.

CELSESSER · Post by **CELSESSER** » Fri Jan 07, 2011 9:55 pm

Sam,
Were you using the foot clutch when reversing? Is the transmission in gear and the reverser knuckled in to either forward or reverse? It does nothing in either position?
If it was working properly and you hit the clutch to reverse and then nothing then I would think it is in the main engine to reverser shaft clutch.
I doesn't seem likely that you would have sheared the tabs off both the forward and reverse packs in the reverser at the same time (ie it would still go in either forward if the reverse pack was sheared).
You will have to work your way back to verify where the power is not being transfered. Probably have to pull the adjustment plug on the front left side of the reverser and pull the coil wire and crank it with the starter with the transmission in nuetral,the reverser engauged in forward, and the foot clutch engauged(foot off it) and carefully(safely ie have someone you trust in the seat ready to hit the clutch and breaks in case it starts moving)
take a flashlite and look in the opening to verify that the imput shaftto the reverser is turning. If not it is your main engine clutch or linkage.
If the reverser imput shaft (and reverser internals are spinning) then with the transmission still in neutral pull the shift tower off again and repeat everything above to see if the transmission imput shaft is turning(again watch out for the oil sling)
If the transmission imput shaft is turning it tells you that the main clutch and the reverser clutch are engauged and transferring at least some power, pull the adjustment covers off the tops of the steering clutch housings, pop it into a gear(carefully look at the shifter to determine where to slide one collar to put it into one gear,diagram it on a piece of paper so that you can remember where it goes bact to when you reinsall the shift tower) let the clutch out. Look to see if the transmission gears are turning when you crank it, if they are then take a flashlite and see if the shafts from the transmissionto the sterring clutches are turning when you crank it. if not the ring gear may be gone . If they are turning then you are looking at the steering clutches or final drives, again unlikely for both to crap out at once.
Read your manuals and work your way through it in a methodical way so you don't jump over anything and you will find it.

Good luck,

Chuck

Sam Riser · Post by **Sam Riser** » Sat Jan 08, 2011 10:19 am

Chuck, thanks for your reply. Read it over several times last night and will check this out when it warms up some today. I have a son that works as a mechanic [auto] and he understands these things better than I do but he has limited time for unpaying jobs of mine! He will help in time! I have highlighted a copy and will use it to check things out. I appreciate all the sugestions of all who have posted on the Forum, it's encouraging to me. Thanks again.

Paul Buhler · Post by **Paul Buhler** » Sat Jan 08, 2011 5:54 pm

My dad used to say that when something ****ed out, our minds always think the worst. He'd have me take a deep breath and then work through the problem in a systematic manner as suggested, and often the problem became much more manageable and easily solved - not always, but enough times, that I remembered his advice. Good luck. Paul

Sam Riser · Post by **Sam Riser** » Sat Jan 08, 2011 8:03 pm

Thanks for the encouragement, Paul! Your father was a wise one I feel and I appreciate you passing that wisdom along to me because I tend to be a little impatient! Will try to use advice I'm recieving here to my advantage and get this old dozer back going. I really feel blessed to have been steered here and I look forward to continued support from you and others. Thanks again, Sam

Sam Riser · Post by **Sam Riser** » Tue Jan 25, 2011 11:19 am

Had good weather, time, and help over the weekend to check some of the things that were recomended from the forum members. The clutch is turning, shaft in reverser is turning. Did not start engine as I have the clutch pedal off to get the cover off the reverser. Turned the pto shaft with pipe wrench, shaft in tranny turns. Have not drained oil from either trans. or reverser. Would appreciate any advice on what to look for again, as far as I can tell there is something unhooked or unpinned. Thanks Sam

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