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Live power?

G

gregk

Member
I was bored and was wondering what company had live pto or hydraulics on their tractors first? How did other compaies compare? Just curious I've heard that oliver had it earlier than most, and IH didn't have it until 54? How about John Deere or AC?
 
I think Buick is right about Oliver having the first one that worked. If we want to go back to the first live PTO of any kind on a tractor I know Hart Paar had a kind of a jerry rigged live PTO one one of their big old tractors back in the twenties or early thirties somewhere. It's a rare bird and a buddy of mine has one.Jim
 
Cockshutt had the first fully independant PTO. Dunno who had the first 'live/2 stage clutch' setup tho...

Rod
 
Earthmaster? Never heard of that brand. Where were they made and for how long? Live hydraulics in 48, had to be one of the first for sure I'd think.
 
Hart Parr and Oliver where pretty much one in the same since the Hart Parr name was switched to Oliver sometime in the 70 model production since you could buy a Hart Parr 70 or an Oliver 70 and side by side they looked pretty much the same
 
Oliver/Cockshutt was the first with a live PTO or as some would say independent PTO since they used a clutch that worked right on the PTO drive area and the engine clutch did nothing with the PTO
 
1946 or 1947, on model 30, also known as coop E3, not sure but i believe this was an option and a standard gear drive was also available.
 
I'd have to look it up in one of the books I have around here to get the test date... but I wouldn't argue leroy's numbers.
It was somewhere around there.

Rod
 
I wonder when JD had them ? I remember that our 54 model JD 50 had live pto and the live hyd pump up by the cowl .
 
Well now if you are referring to the traditional 540 pto out the back of the tractor it would be Cockshut but neighbor had a 1936 JD A with a loader on it that was powered from power taken off the fly wheel so it was technicaly live independent pto. The fly wheel was coupled to a cable contraption that you ran with your left foot. It actually worked real good. He bought the tractor with loader on it new in 1936.
 
I think the serious Oliver and Cockshutt folks had a discussion on this somewhere (in one of their magazines, I think)- final consensus was that Cockshutt came onto the market with it first, but Oliver had been working on it longer (maybe the Canadians were just quicker studies?).

At that time, Oliver and Cockshutt were completely separate, each manufacturing their own tractors.
 
The Cockshutt 30 was the first tractor built by
Cockshutt . The first one came off the Brantford line on October 7, 1946 with the independent PTO
as an option.In 1947 another option available for the Model 30 was LIVE hydraulics. My 1947 CO-OP E3
had both options.
a100431.jpg
 
Actually an earlier tractor altho not many were made with that option or that many tractors total was the COOP Model C (no relation to the Coop-Cockshut line) made before WW 2 in I forget for sure think 41. It was completly independant and drove off the front end of the engine thru a shaft along side the engine.
 
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