[AT] more HP guaranteed!/now front end on the ground.

[charlie hill]

I used to stare at the "traction booster" gauge in mild amazement
as I plowed.  It was constantly jumping as the pressure changed in the
system and the hydraulics had a peculiar yenk, yenk, yenk sound.  Folks
now who buy old Allis tractors often fuss about the traction booster but
if they ever had the pleasure of running one that was right, set up by the
factory or a good dealer, they would change their tune.

Another thing I found strange about the Allis tractors or at least ours was
something that happened if the tractor started to spin while pulling a plow
or disc in sandy or loose soil.  It would spin one wheel and then stop that 
wheel
and spin the opposite side wheel back and forth by it's self as if you were 
alternately
stomping on the left and right brake pedals.  David or others who ran A-C's 
did you ever
experience that or was it just something peculiar about the rear end set up 
on ours?
Anyway, it would walk it’s self out of a bad spot doing that.

Charlie

-----Original Message----- 
From: David Bruce
Sent: Friday, March 17, 2017 1:23 PM
To: Antique tractor email discussion group
Subject: Re: [AT] more HP guaranteed!/now front end on the ground.

I learned to drive a tractor using an Allis D-14. When I switched to a
Ferguson type draft control system I had to learn a lot of different
things.

A story on the D-14. The first tractor I ever drove was an Allis B
pulling a sled in the tobacco field. I was about 6 or 7 at the time. I
could not get a handle on the B's clutch so it was switched to be the
"to the barn" tractor while I drove the D-14 in the field. I could not
reach both the clutch and brakes at the same time so I had to depress
the clutch, shift to neutral and then hit the brake pedals.  That was a
bit of a problem as the tobacco field had rows running up and down a
significant hill. Later I would plow with the D-14 after school and into
the night in late winter and early spring. There I learned the
advantages of the traction booster system.

David

NW NC


On 3/17/2017 12:41 PM, charlie hill wrote:
> John, that was the beauty of the old Allis Chalmers "Traction Booster"
> system.  On the Snap Coupler tractors it worked from spring tension on
> the drawbar and on the 3pt hitch tractors it used a rock shaft that
> connected
> the front of the 3pt lift arms.  The system kept the lift system always
> tight against
> the load and immediately reacted to load changes.  When the pressure went 
> up
> in
> the system from load tension the lift would quickly raise the implement
> until the load
> decreased.  It was essentially a "draft system" but it worked by load not
> depth.  When they
> were right they were wonderful.
>
> Charlie

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