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Cool Model AA tractor

M

MarsEnthusiast

New User
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I dont know terribly much, but the last photo is of the two transmissions concept since my photo has a lot of glare facing that way. Anyone know anything more about it or what to look for or anything neat to it? Far as i can tell, 1930s model AA truck that has been converted(great depression id think) to be tractor
last ran in the 90s based on the 6 volt that used to be on it
 
It is a 1928-29 Model. These earlier models had the worm-gear rear end.
The truck would have been too valuable to cut up until much later, perhaps
a school shop class project in the 1940's. The last Model AA's in the US
were built in 1931. Ford then transferred the factory to the Soviet Union
where the Model AA trucks were built until the late 40's. Also, the Model A
light trucks were built in East Germany until the mid-1950's. The engines
were improved with balanced crankshafts and pressurized insert bearings.
In addition, the 1934 Ford car model was transferred to the Soviet Union and
assembled there into the 1940's.

The second transmission looks like a later model. The torque tube was dropped in
1942. Some engineering had to be done to connect it to the worm gear. Model T
tractors often used a Chevrolet transmission in the second spot. However, they
weren't any too strong, but cheap and plentiful. Ford was also available with a two
speed auxiliary transmission for more torque.
 
Having two transmissions gives you much slower gears and more gear options. This looks like a
truck that was turned into a tractor. Growing up our neighbor had one of these. He called it his
hoopie. He used it in place of a tractor. He did a lot of hay raking with it.

It would be kind of like an Unimog. Geared slow enough with the two transmissions to be able to do
field work and fast enough to go down the road at probably 50.
 
What you have is known as a doodlebug in this area and they were quite common from the Depression and WWII era. I am currently working on one that was a 1930 Model A car originally. The body was cut off, the frame was shortened and the transmission and rear axle were replaced with a transmission and rear axle from an AA truck. Mine doesn't have 2 transmissions, but that was common.
 
That looks like my sons Doodlebug 2 transmissions and a GMC dump truck rear-end and a school bus seat.
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Growing up more so in the Cold War, its hard to remember the Russians were our friends, sort of, in the WWII era.....

Had to think a bit on why USA manufacturing would go there....
 
Do you know if you put both transmissions in reverse it will go forward. We used to have a bug that my Dad
built up in about 1938-9.
 
A couple years ago I had a guy bring me a pair of rims from his doodle bug to repair them for him. His rims where rusted out but I had a set of good rim but the centers where wrong. So I took them apart and put his center onto the good rims I had
 
According to a book written by an Oliver executive, train loads of Hart-Parrs were sold to the Russians. Leo
 
My grandpa was planning for many years to make a ratrod and he changed ideas many times and that has meant ending up with a model aa tractor, I THINK a model a frame, then what i think is the front end frame of a model t but its possible its a model A. Then there are fenders/steps/ seats up in the rafters of the shed while there is a 30s Plymouth coupe(I THINK) and a unknown similar era truck chassis with its cab and of course nothign has clear names over everythig lol

not counting the 49 F6 or the 53 Customline or the 51/52 maybe Dodge pickup... so much..
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like if im not mistaken, thats a ford flathead just sitting upside down without heads intake or transmission just chilling out next to an old sink and rusty bumper and an antique wood stove swimming in hubcaps.
 
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