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Reindeer 
Orange Level
Joined: 14 Sep 2009
Location: Calgary, AB
Points: 649
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 Topic: D15 transmission ???
Posted: 15 Oct 2018 at 4:11pm |
So I took the D15 out for some exercise on road, to try to blow out some of the carbon that built up during all my high speed miss problems. Went about a mile in 4th HI with no problems. Running great, nice day, enough to make you smile.
All of a sudden on the uphill, the tractor started slowing fast, and the engine was on the way to stalling. Seemed like resistance in the drive train, as the engine recovered as soon as I dropped the clutch. The tractor stopped faster than the brakes could have done it. No banging or clatter, just like someone really jumped on the brakes, without the brake noise.
Tried moving in all gears, and except for first, lots of resistance. First was normal, so rolled 20 feet or so, then tried the other gears and all worked fine again. Drove home in 4th, HI and put it in the shop...probably for the winter, but that feeling in my stomach says this could be expensive.
Anyone have any suggestions to check out? I don't claim to be a mechanic, but can usually bumble and fumble through things. Tranny's give me the shivers, though.
Edited by Reindeer - 15 Oct 2018 at 4:13pm
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B26240
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Joined: 21 Nov 2009
Location: mn
Points: 3860
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Posted: 15 Oct 2018 at 4:28pm |
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Did you check to see if brakes were hot?
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Reindeer
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Joined: 14 Sep 2009
Location: Calgary, AB
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Posted: 15 Oct 2018 at 4:38pm |
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I did verify that the brakes were not engaged, but not if they were hot. The pedals were in the fully retracted (off) position, and the lock was not active, so did not think of anything else. I suppose a lining could have seperated, and jammed, and then with movement got out of the way? Strange brew...
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Don(MO)
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Joined: 12 Sep 2009
Location: Bates City MO.
Points: 6862
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Posted: 15 Oct 2018 at 5:48pm |
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Check the rear-end oil level.
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3 WD45's with power steering,G,D15 fork lift,D19, W-Speed Patrol, "A" Gleaner with a 330 corn head,"66" combine,roto-baler, and lots of Snap Coupler implements to make them work for their keep.
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Gary Burnett
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Joined: 11 Sep 2009
Location: Virginia
Points: 2851
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Posted: 15 Oct 2018 at 7:13pm |
 Don(MO) wrote:
Check the rear-end oil level. |
And final drives
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MACK
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Joined: 17 Nov 2009
Points: 7664
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Posted: 15 Oct 2018 at 9:39pm |
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First gear tried to weld it's self to shaft. Lack of oil. MACK
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wayneIA
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Joined: 17 Oct 2009
Location: Waverly, IA
Points: 268
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Posted: 16 Oct 2018 at 12:25am |
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Mack is right, worked on a D14 for the neighbor that jumped out of third. While I had it apart I found that the first gear bushing was galled and had almost torn the two keeper pins in the splines for the bushing off. Was able to save it with just a new bushing and two keeper pins and cleaning the inside of first gear for the new bushing.
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ac-mike
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Joined: 14 Sep 2009
Location: Kentucky
Points: 258
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Posted: 16 Oct 2018 at 7:47am |
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low oil level
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D-12III, 200D, 170G, HD-3, D19D 3pt, D17D High Crop, WD45G p/s, D15IID, D15IIG, D15G IND, 655, (3)WD45D p/s, 700, 816
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PaulB
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
Points: 4401
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Posted: 17 Oct 2018 at 3:21am |
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I have a D15 series II that I’m thinking of parting out. There are no issues whatsoever with the transmission and rear. Would you be interested in the complete trans/rear? Located in Maryland. Must be picked up.
Edited by PaulB - 17 Oct 2018 at 3:23am
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If it was fun to pull in LOW gear, I could have a John Deere.
If you can't make it GO... make it SHINY
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Reindeer
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Joined: 14 Sep 2009
Location: Calgary, AB
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Posted: 17 Oct 2018 at 11:07am |
Thanks Paul for thinking of this. Unfortunately we are about 5 hours north west of Billings Montana in Canada, so would not make sense to move the parts that far.
Still have to see what is going on with the tranny. Won't probably make a move on anything for a while, as I'm pretty busy at the moment.
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Reindeer
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Joined: 14 Sep 2009
Location: Calgary, AB
Points: 649
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Posted: 18 Oct 2018 at 10:16pm |
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I got to the shop this afternoon, and checked on oil levels. The transmission dipstick looked like we had a full tranny, but just to be sure I put in an extra 1/2 gallon. Now it is about 1/4" above the full mark, so it was at full when it made the sudden stop. I drove it around again today, and could not find anything odd. Worked great, drove easy and trouble free. Is there intermittent tranny problems....?
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Lonn
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Joined: 16 Sep 2009
Location: Назарово,Russia
Points: 29773
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Posted: 19 Oct 2018 at 4:40am |
Could be the brakes are adjusted too tight. When I was in mechanics school way back 30 years ago or so, we had installed new brakes in a D17. When the farmer took it home late one afternoon, after the students went home, he had gotten only a couple miles down the road when the transmission acted like it locked up. Teach got a call and he went to investigate and found that we students had adjusted the brakes a tad too tight. He let them loose just a bit and away the farmer went.
But when I was at the Allis dealer a different farmer with a different D17 was cruising down the road hauling manure and the tractor acted like it had locked up. And it had because the oil was run low. Now don't anyone take offense but this is where I got the idea that Allis people are a little bit different, maybe frugal is the word, than Deere or IH folks. The farmer didn't want to spend any money on it so the oldest mechanic, Lyle, went and took a look, filled the rear end with oil, jacked up one wheel and rocked it back and forth until it came loose and sent it on it's way. Lyle, who is long gone now, told me that he knew of several tractors, especially WDs that he had "fixed" the same way and that had lasted for many years after. I never ever saw that at the CaseIH dealer I worked at. In fact back in the late 90's I saw one guy stick over $5000 into a Super MTA that he used as an auger tractor and another almost $8000 into a 504 chore tractor. For Allis, like a D17 or D15, only a diehard collector would do that, and then I don't think it would happen. And especially not a farmer using it for farm chores. But I digress.
Edited by Lonn - 19 Oct 2018 at 4:43am
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DrAllis
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Joined: 12 Sep 2009
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Posted: 19 Oct 2018 at 12:17pm |
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When checking the oil level, be sure you look at both sides of the dipstick to be SURE it is full. Sometimes when pulling the dipstick in and out it drags against the tube and may show oil on one side making you think it is OK, when it reality it ain't. Check multiple times to be sure.
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