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Allis-Chalmers tractor purchase. Now, The Old Tractor thread. Post yours.

ktmoutfront said:
I posted a picture in the Photo A Day thread.

I did not want to be accused of tech in the lounge.

1954 model WD45. High HP.:saweet:

Came with a working saw. Ran it before I bought it but it was a little week. Turns out the magneto was dying.

View attachment 201737

So now we are discussing the finer points of the lack of points. Feel free to chime in.
Click to expand...
Got a 1956 Case VAC/VAN that was used for asparagus farming as it sits kinda tall on 34" rear tires and stilted front spindles.

It has the Eagle 3-point hitch and a PTO with a flat belt drive (2-speed) and a cam-driven hydraulic pump, constant discharge for accessories and such.

I believe the engine is a Continental and not a Case as it has that hydraulic pump built into it .... mebbee.

I built a vertical style log splitter for it that mounts to the 3-point --- running off the PTO on the back and I can raise it from ground level up to chest high to handle some really big logs.

Too bad that I can't post a pix of it - I can't find the upload button............... just sayin'..............
 
I miss all the cool old tractor stuff back in the midwest. I was just thinking about when I went to the Thresheree in Edgerton when I was a kid the other day and how cool it was.
 
Truckman4life said:
I miss all the cool old tractor stuff back in the midwest. I was just thinking about when I went to the Thresheree in Edgerton when I was a kid the other day and how cool it was.
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I haven't been to Edgerton Thresheree in a few years, I was hoping that it wouldn't be canceled this year, but it was.
 
 
Truckman4life said:
I miss all the cool old tractor stuff back in the midwest. I was just thinking about when I went to the Thresheree in Edgerton when I was a kid the other day and how cool it was.
Click to expand...

We had Edgerton on our calendar this year, until they canceled. :(

Jeff, maybe we'll catch you there next year? :thinking:
 
It would have had 3 speeds in reverse and only 1 forward gear after its conversion. It would have made for some fun times in the hayfield.
 
82355 said:
A lot of times they switched the ring year around so it would still have multiple forward gears.

Martin
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So we discussed this at length but couldn't come to a consensus. The axle didn't look like it had been flipped, so how did they flip the ring gear?
 
regal403 said:
So we discussed this at length but couldn't come to a consensus. The axle didn't look like it had been flipped, so how did they flip the ring gear?
Click to expand...

Many of these tractors used straight-cut bevel gears in the differential. Being symmetrical, and having symmetrical room inside the housing, the carrier could be inserted backwards so the the gear orientation could be reversed. The power would be transmitted by the opposite side of the pinion, traveling the opposite direction. Suddenly the gear directions are reversed. Here's a diagram showing the symmetrical nature of an 'H' differential:

8824649_0.jpg


If you flip the carrier around, the ring gear will be meshed with the top side of the pinion instead of the bottom side. It's a pretty slick setup. Not trivial to do with a hypoid-style truck axle (unfortunately).
 
campfire said:
Many of these tractors used straight-cut bevel gears in the differential. Being symmetrical, and having symmetrical room inside the housing, the carrier could be inserted backwards so the the gear orientation could be reversed. The power would be transmitted by the opposite side of the pinion, traveling the opposite direction. Suddenly the gear directions are reversed. Here's a diagram showing the symmetrical nature of an 'H' differential:

8824649_0.jpg


If you flip the carrier around, the ring gear will be meshed with the top side of the pinion instead of the bottom side. It's a pretty slick setup. Not trivial to do with a hypoid-style truck axle (unfortunately).
Click to expand...
That's why they were used for straight mast forklifts, I'm buying a IH 504 utility forklift this weekend. Yeah I'm excited.
 
campfire said:
Many of these tractors used straight-cut bevel gears in the differential. Being symmetrical, and having symmetrical room inside the housing, the carrier could be inserted backwards so the the gear orientation could be reversed. The power would be transmitted by the opposite side of the pinion, traveling the opposite direction. Suddenly the gear directions are reversed. Here's a diagram showing the symmetrical nature of an 'H' differential:

8824649_0.jpg


If you flip the carrier around, the ring gear will be meshed with the top side of the pinion instead of the bottom side. It's a pretty slick setup. Not trivial to do with a hypoid-style truck axle (unfortunately).
Click to expand...

That is awesome. I'll let my uncle and dad know.

Dad has a '44 Allis WC he's been "going to get around to restoring someday" since 1994.
 
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