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Driving JD Model B on hills

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Jeffro1

02-05-2005 10:30:42




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I have only about a 3-miles distance between where I keep my model B and where I need to plow. The only complication is a relatively big hill between here and there. I have heard that driving these things over hills is really no problem as long as you don"t go too fast. I really would rather not buy a trailer for such a short distance commute. The only thing I am wondering is whether anyone has done much of this and what problems may arise. I was thinking of taking it easy on both sides of the hill and maybe going up and down in 2nd or 3rd. I will have an all-purpose plow on the back, and I don"t think the grade of the hill should be much of a problem as far as the driving goes (about 35 degrees is the greatest slope.) I do know that you have to be careful maneuvering, but the hill is situated such that you go straight up and straight down the steepest parts-no turns on the slopes. What are any problems that may arise which would not be obvious? One thing I was thinking about was the carb. Does this type of carb have a tendency to stall out on a steep hill? What about the gear? Is second the best as far as letting the engine help keep the speed down? What is the max slope one of these will go straight up or down? Just looking for suggestions from some folks with more experience with one of these old gals.
-Thanks
-Jeffro

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easydoesit

02-07-2005 09:15:46




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 Re: Driving JD Model B on hills in reply to Jeffro1, 02-05-2005 10:30:42  
Hey Jeffro, I live in hilly Tennessee. I bush hog with my G and my rear wheels are out max. I personally use the rule that if I can't go around the hill I don't go up/down it. I play around the bottom to either get used to it or get more concerned about it. My float did stick going down one time...flooded the engine and ran out...lucky it didn't burn up. Bumps on a hill make it worse..go slow. easy

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B flat

02-06-2005 01:51:11




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 Re: Driving JD Model B on hills in reply to Jeffro1, 02-05-2005 10:30:42  
My assumption is your pulling a two bottom pull-type plow which is not that heavy of an item. If your old gal is tuned up and has functioning brakes and is not so wore-out that the tranny has habit of jumping out of gear; then you will have no problem driving up and driving down the hill in a low gear. I would maybe try to position my knee near the shift handle to prevent it from jumping out of gear.

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RalphinWI

02-05-2005 13:26:49




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 Re: Driving JD Model B on hills in reply to Jeffro1, 02-05-2005 10:30:42  
Something does not compute here. When you talk about trailering the tractor, I assume you are dealing with a paved road. However when you say a 35 degree slope you are talking about approaching a roof slope of 7:12 (12/12 would be a 45 degree slope). A geologist once told me the maximum angle of repose was 38 and I don't remember if it was degrees or percent. I will approach 35 _ only if required and then only on foot. However, if you are talking about a paved road, my dad used to pull a 28" Belle City threshing machine up and down hills in SW WI that few if any cars could make without shifting into second gear. The B was a hand crank '41 with cast wheels, and I would guess that he bolted on the 2x150# cast weights before hand. I assume the threshing machine outweighed the B and it went into low gear (6 speed) before starting down. The owner's spoker D had trouble navigating by itself with road bands and was banned from the hwy with the lugs exposed.

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Ravgardner

02-05-2005 12:31:47




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 Re: Driving JD Model B on hills in reply to Jeffro1, 02-05-2005 10:30:42  
It is good you are concerned about driving up or down hills with your B. It shows you have some common sense. I grew up on two cylinder JD's in the hilly country of upstate New York so I've been there done that and got the t-shirt.
Going up will take some experimenting to find which gear will let her climb to the top without you needing to shift on the hill. Shifing on the hill is bad. It can roll backwards if your brakes don't hold. I'd try 4th grear first and see how it goes. If tractor tends to skip under load or the hill is bigger than the tractor will handle in forth, start it in 3rd. I've seen very few hills our B would not climb in 3rd when not pulling a load.

Going down? Try 3rd gear first. Please slow and shift to 3 rd at the top before you crest and start down. Go slow to the top. Pull the throtle closed and rest your feet on the brakes while going down. Apply to brakes just enough to keep the engine from over reving.

I've never seen an JD cut out going down a hill. Don't worry about that. Just never disengage the cluctch!@!!. As long as the engine is turning, it is compressing and holding the machine back. Together the engine and the brakes will get you to the bottom in one piece.

I had my dad to show me how to take each hill. So I've never been in your shoes of having to learn this without a coach. I appreciate you concern, but I think you'll make fine.

Lets us know how you do..

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Bob

02-05-2005 10:53:46




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 Re: Driving JD Model B on hills in reply to Jeffro1, 02-05-2005 10:30:42  
Without making any comment on any rollover aspects, keep in mind, with any tractor, if the transmission "jumps out of gear", you're going to freewheel down hill in a hurry, forward or backwards. You need to be prepared to react to this, and have functioning brakes. It will probably never happen to you, but keeping a thought of it in the back of your mind is a good idea.



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steveormary

02-05-2005 16:35:52




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 Re: Driving JD Model B on hills in reply to Bob, 02-05-2005 10:53:46  
Better try 2nd or 3rd first and see how your tractor does. Many years ago feller I worked for had a worn out B for mowing hay. I had a big hill to go over and would have to use 3rd gear. Dont remember what I did for the downhill run.

Just be careful steveormary



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Kevin Tarbox

02-05-2005 17:00:37




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 Re: Driving JD Model B on hills in reply to steveormary, 02-05-2005 16:35:52  
Well not that i did a good thing but me and my massey harris 44 standerd made it up and down a small hill in 5th gear(road gear) at full throttle all the way with no problem, i wasnt towing any load though.



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steveormary

02-05-2005 20:20:01




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 Re: Driving JD Model B on hills in reply to Kevin Tarbox, 02-05-2005 17:00:37  
Kevin;

The Olivers,Allis Chalmers,and a Massy 55 diesel would take the hill in road gear. The Massy 44 and UB MM would not. I dont think the M Farmalls or other JD"s would make it in road gear.

steveormary



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