JD B info

   / JD B info #1  

Soundguy

Old Timer
Joined
Mar 11, 2002
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Location
Central florida
Tractor
RK 55HC,ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC
I just got my JD B a week ago.

Anyone else here with one? mine is a 1950 model. Any tips?

( I have other antiquey tractors.. just needing JD info in general ).

Soundguy
 
   / JD B info #2  
Re: JD B info (long rambling email)

Well I kinda have one.....inherited my dad's last year after he headed on to the next world....it's about the same year as yours...but still at my mom's place....does that count? :-o

Some interesting operational features-
- There is no water pump - it has a "gravity" cooling system -water in the engine is heated and rises up and out and goes through top of radiator, cools on the way down. Cold water is drawn into bottom of engine from the radiator through simple fluid hydraulics. I remember Dad explaining this to me as a young kid and it didn't make much sense then, and I still marvel at it's simplicity today.

- The pwr-trowl lift (rockshaft....think 3 pt) only operates when the PTO is engaged. And the PTO only runs when the clutch is engaged. So if you want to raise an implement or use the rear hydraulic outlet, but not be moving, you need to shift out of gear first. Operating this tractor makes you think, nothing automatic about it and one of the reasons it's so much fun.

- Manual start - my memory is a little fuzzy on this one - but I remember the owners manual showing how to start the tractor if the battery is dead, you can remove a cover on the end of the flywheel, and, USING THE STEERING WHEEL, start the engine by hand. Of course you have to remove the steering wheel to do this but I recall it's held on by one big bolt. The whole concept is pretty scary but that's how they did it 50 years ago. When our B's battery was dead, we used these things called jumper cables....a lot safer than the Deere method, I think!
 
   / JD B info
  • Thread Starter
#4  
Re: JD B info (long rambling email)

The old ford N-series was that way with the hyds / pto. Pto shaft turned the hyd pump, and only when the clutch was out.

The cooling setup is called thermosyphon. Many of the grey market yanmar tractors use it.

On some of the older jd's.. you started them by just spinning the flywheel by hand.. kinda like what you mentioned.

I guess these units with magnetos were kinda neat that way.... Guess you could also get a bunch of the 'guy's to push start it too!

Soundguy
 

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