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Allis Chalmers Speed Patrol

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203 Industrial
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Joined: 21 Apr 2020
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PostPosted: Tue Mar 02, 2021 1:20 pm    Post subject: Allis Chalmers Speed Patrol Reply to specific post Reply with quote

I just got this old tractor.
I passed up one of these 35 years ago and always regretted it.

Tell me what you know about it.










The numbers stamped on the differential are ( WC 74311)
Its unstyled but right on the border of the change.
Hand crank only. No starter.
Its not locked up. The only problem that I have found is that the steering shaft is just spinning going into the gearbox. I'm hoping its a pin or a key broke.


 
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4wdtom
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PostPosted: Tue Mar 02, 2021 1:27 pm    Post subject: Re: Allis Chalmers Speed Patrol Reply to specific post Reply with quote

Looks like a fun project! Good luck with it, keep us up to date on progress.
 
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203 Industrial
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PostPosted: Tue Mar 02, 2021 1:33 pm    Post subject: Re: Allis Chalmers Speed Patrol Reply to specific post Reply with quote


A couple more photos
 
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203 Industrial
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PostPosted: Tue Mar 02, 2021 1:35 pm    Post subject: Re: Allis Chalmers Speed Patrol Reply to specific post Reply with quote


 
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old
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Location: Lake of the Ozarks area of MO

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PostPosted: Tue Mar 02, 2021 1:36 pm    Post subject: Re: Allis Chalmers Speed Patrol Reply to specific post Reply with quote

I have a 1947 W Speed Patrol. As for your steering it could be a number of things. Follow the linkage for the steering to make sure there isn't a broken pin some place. I have the parts manual for the W Speed Patrol by the way. The manual shows to u joints so at either one of them there could be a broken pin. The engie should be the same as used in the WC tractors.
 
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203 Industrial
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PostPosted: Tue Mar 02, 2021 1:43 pm    Post subject: Re: Allis Chalmers Speed Patrol Reply to specific post Reply with quote


The shaft is turning all the way going into the gearbox so its in the gearbox.
Its free spinning with no noise. Ill have to pull the gearbox. Hoping it's simple
 
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203 Industrial
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PostPosted: Tue Mar 02, 2021 1:48 pm    Post subject: Re: Allis Chalmers Speed Patrol Reply to specific post Reply with quote

Does your manual show the internal parts of the gearbox?
 
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old
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Location: Lake of the Ozarks area of MO

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PostPosted: Tue Mar 02, 2021 2:31 pm    Post subject: Re: Allis Chalmers Speed Patrol Reply to specific post Reply with quote

Yes parts manual show a break down of the steering gear. But it doesn't show any pin or keys that I noticed
 
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Bob Bancroft
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PostPosted: Tue Mar 02, 2021 3:47 pm    Post subject: Re: Allis Chalmers Speed Patrol Reply to specific post Reply with quote

That's the original style manifold. You won't find one like that any more. Not to worry- many newer style replacements are out there.
 
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203 Industrial
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PostPosted: Tue Mar 02, 2021 5:12 pm    Post subject: Re: Allis Chalmers Speed Patrol Reply to specific post Reply with quote

CVPost-old wrote:
(quoted from post at 15:31:20 03/02/21) Yes parts manual show a break down of the steering gear. But it doesn't show any pin or keys that I noticed


old
Thanks for checking that out. I'll have to pull it out.

Bob B
I should be able to braze a piece of pipe in the top of the exhaust manifold where that piece is broke out but its good to know that replacements are available.

Overall its pretty much all there. Those helper springs are missing from the blade lift mechanism. I have a good photo too try to match those.

The rear tires are gone. The tread pattern looks like a original advertisement I seen. All the blade joints are tight.

Here is a photo of the Tractor No. on the differential. It looks like late 1938. WC 74311

 
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old
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PostPosted: Tue Mar 02, 2021 5:26 pm    Post subject: Re: Allis Chalmers Speed Patrol Reply to specific post Reply with quote

I have a WC and WD parts tractor here so I may have a manifold on hand I could let go of. My e-ail is always open on here
 
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Eldon (WA)
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PostPosted: Tue Mar 02, 2021 7:49 pm    Post subject: Re: Allis Chalmers Speed Patrol Reply to specific post Reply with quote

The one I have was one of eleven units once owned by Spokane county in Washington state. This one was modified with full hydraulics and power steering....it is for sale.







 
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Johnson 23
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PostPosted: Tue Mar 02, 2021 9:12 pm    Post subject: Re: Allis Chalmers Speed Patrol Reply to specific post Reply with quote

How much is it ??
 
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PostPosted: Wed Mar 03, 2021 9:46 am    Post subject: Re: Allis Chalmers Speed Patrol Reply to specific post Reply with quote

I havn't seen photos online
of any other speed patrol
graders with the unstyled
gas tank and the flat
radiator like mine.


I think the speed patrol
started with the styled
sheet metal
And the serial number
change. The early speed
patrol was before 1940. I
think.
Im a farmall guy so AC is
new to me.
Is my engine the 203C?
I.
Looking at photos and
reading but I need a
manual.
Can anyone direct me to the
right manual. WC74311 is
the tractor number on the
differential.
The manuals i see are for
after 1940.
I feel like a rookie with
this tractor.


 
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Eldon (WA)
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PostPosted: Wed Mar 03, 2021 12:17 pm    Post subject: Re: Allis Chalmers Speed Patrol Reply to specific post Reply with quote

$900, needs motor
 
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