My tractor has a cracked case (I bought it knowing that). The case has been ground and welded. Ground right through the casting number.
The only thing I can read is the first letter, M3. The junk yard has a case but I don't have their casting number yet.
My tractor is a first year, 91,000 serial number. How interchangeable are the cases? They said they can get one, but I would pay freight. If the one they have will work, no freight.
Second question: Are the transmission gears the same in a 40 wheel tractor as a 40C?? Both 4 speed tranny's
gus
420 transmission case
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- 1010 crawler
- Posts: 305
- Joined: Mon Apr 04, 2005 7:01 pm
- Location: Gloucester,Virginia
420 transmission
Gus,
Don't have a 40 parts manual so what I say is based on the 420/430
series.The crawler and wheeled tractors used the same internal transmission parts if they fell into the same serial number breaks.
As long as the speed count was the same no problem.
The differences are in the cases and pto shafts.I would guess that
the internals for the 40 series would follow the same logic.
I look for wheeled tractor transmissions because they rarely got
shuttle shifted like a crawler does and the gears generally look
better.Hope this helps.JimAnderson
Don't have a 40 parts manual so what I say is based on the 420/430
series.The crawler and wheeled tractors used the same internal transmission parts if they fell into the same serial number breaks.
As long as the speed count was the same no problem.
The differences are in the cases and pto shafts.I would guess that
the internals for the 40 series would follow the same logic.
I look for wheeled tractor transmissions because they rarely got
shuttle shifted like a crawler does and the gears generally look
better.Hope this helps.JimAnderson
I have a complete 40 wheel tractor transmission and the junk yard will give me $100 trade in for the case I need (case only for my 420). I was hoping the case would work, but it does not.
I'm debating the trade in. I also have a 40C and if I needed gears later on, I would probably pay more than that. I need to find out if the gears would also work in the 420C. If they do, I would keep them for sure.
If things work out, I will put the 40 back together and sell it. There is a nother 420C with the JD heavy loader for sale that I would like to get. I would then have 2 420's, one with loader and the other with a blade.
Gus
I'm debating the trade in. I also have a 40C and if I needed gears later on, I would probably pay more than that. I need to find out if the gears would also work in the 420C. If they do, I would keep them for sure.
If things work out, I will put the 40 back together and sell it. There is a nother 420C with the JD heavy loader for sale that I would like to get. I would then have 2 420's, one with loader and the other with a blade.
Gus
- Stan Disbrow
- 350 crawler
- Posts: 2899
- Joined: Fri Jul 15, 2005 3:13 pm
- Location: Raleigh, NC
Hi,
Oooh. I bet that caused a few choice words to pop out! You find that out by trying the gears with the case still on the bench or did you wait until after the machine was reassembled?
Stan
Oooh. I bet that caused a few choice words to pop out! You find that out by trying the gears with the case still on the bench or did you wait until after the machine was reassembled?
Stan
There's No Such Thing As A Cheap Crawler!
Useta Have: '58 JD 420c 5-roller w/62 inside blade
Useta Have: '78 JD350C w/6310 outside blade
Useta Have: '68 JD350, '51 Terratrac GT-25
Have: 1950 M, 2005 x495, 2008 5103 (now known as 5045D)
Useta Have: '58 JD 420c 5-roller w/62 inside blade
Useta Have: '78 JD350C w/6310 outside blade
Useta Have: '68 JD350, '51 Terratrac GT-25
Have: 1950 M, 2005 x495, 2008 5103 (now known as 5045D)
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