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John Deere B question


 
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41106
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PostPosted: Thu Mar 14, 2019 7:17 pm    Post subject: John Deere B question Reply to specific post Reply with quote

So hypothetically, if a person has a B in the family and was considering pulling it dead weight only, what hp would you guess it would produce if it were an early styled B with the larger factory stroke, block bored to accept over the counter high compression 50 pistons, custom ground cam, reasonable amount of head work, all things such as governor and carb as it should be, and tuned on a dyno????? Also, anybody pull a set up like this??? ....if so, does it hook well or not a great tractor to start with? Thank you!
 
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PretendFarmer
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PostPosted: Fri Mar 15, 2019 3:49 am    Post subject: Re: John Deere B question Reply to specific post Reply with quote

Assuming its a 6 speed B, it will pull stone boat just fine in stock form. Not a whole lot of reason to do motor work for dead weight pulling as 1st gear is painfully slow and theres no reason to pull stone boat in any gear but 1st.
 
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Early B
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PostPosted: Fri Mar 15, 2019 3:57 am    Post subject: Re: John Deere B question Reply to specific post Reply with quote

A few old farts on here will try tell you its the worst possible tractor to pull with. I personally think there great especially if you already have one in the family! Realistically 40hp for the build your talking.A bigger crank will add significantly to the hp. Ofcourse other brands might be cheaper to get that kinda hp from, main thing is have fun & enjoy the sport!
 
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PostPosted: Fri Mar 15, 2019 8:25 am    Post subject: Re: John Deere B question Reply to specific post Reply with quote

The only reason to build up a low gear tractors motor like a JD B for dead weight pulling is to get into classes you have no business in. Like 8000lbs class. Thats when people break things pulling stone boats weighing 16,000 lbs.
 
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Early B
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PostPosted: Fri Mar 15, 2019 9:30 am    Post subject: Re: John Deere B question Reply to specific post Reply with quote

He states its early styled B, that has a 3
spd trans w a high/low & no low 1st gear.
The late B w staight 6 spd trans had the
ultra low 1st gear!
 
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41106
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PostPosted: Fri Mar 15, 2019 11:18 am    Post subject: Re: John Deere B question Reply to specific post Reply with quote

Correct - it has 3 speed H/L
 
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PostPosted: Fri Mar 15, 2019 12:26 pm    Post subject: Re: John Deere B question Reply to specific post Reply with quote

Actually the early styled (39-40) had 2spd same as unstyled, mid year Bs (41-46) had 3spd & late (47-52)had the 6spd
 
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unclesilo
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PostPosted: Sun Mar 24, 2019 7:46 am    Post subject: Re: John Deere B question Reply to specific post Reply with quote

for the b guy I have a powerblock rods and pistons that need to be somewhere someone can use them, they are just sitting and I have no need even though I traded for them.
 
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BushogPapa
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PostPosted: Mon Mar 25, 2019 9:10 am    Post subject: Re: John Deere B question Reply to specific post Reply with quote


How much work will the PB need to be good to use..?

O-Rings ever been changed.?

Thanks..
 
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PostPosted: Tue Mar 26, 2019 10:30 am    Post subject: Re: John Deere B question Reply to specific post Reply with quote


So then I would ask what classes he wants to pull. With stone boat your always going to be in first. Completely different animal than transfer sled.
In my club a B would hold its own up to 5500 stone boat pulls. Late styled B will do 6500. Thats a long chain stone boat.
So his club specifics really matter. Sure you can build the engine. You can dump $20k into it if you want. But it might not be required.
 
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unclesilo
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PostPosted: Wed Apr 03, 2019 5:14 am    Post subject: Re: John Deere B question Reply to specific post Reply with quote

it is all sitting on the shelf, no idea what it would need but I would treat like a rebuild and go from there.
 
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