Worlds biggest tractor

Pat-CT

Well-known Member
I am not sure if this has been brought up previously but has anyone seen the "big bud 747" I just saw the video and we intrigued so i went to their website and it says its capable of working up to 1 acre per minute, Im not sure if thats plowing or what but thats still pretty impresive

It has a 900hp engine in it, also pretty impressive for a tractor of the age

http://www.williamsbigbud.com/big-bud-tractor.html

http://www.youtube.com/watch?v=L5N9t_z7c6o
 
I am pretty sure that it can do an acre a min. They pull a Friggstad cultivator I think. If I remember right it was special made for this tractor, 80 foot at a pass, and they pull it at about 8 miles an hour. They change shovels about every day on it. I could be wrong on some of my info but I think that is pretty close.
 
all depends,if you had a 600 acre field,that was longer that it is wide,you could work the whole thing in 10 hours,plus what ever time it takes to make your end turns,pretty impressive if you had to work 6000 acres with one tractor.
 
When your at that size calculate fuel cost per acre not per hour. Compare the fuel use per acre with your tractor with the Big bud.
 
Funny how folks can't comprehend the economies of size. Railroads are a classic example. One would question the sanity of 2 6000 horse diesels burning 20 to 30 gallons per mile, that is until the whole picture is looked at and that amount of fuel is moving upwards of 18,000 to 20,000 TONS gross of train in that mile. Comparatively a truck grossing 40 TONS does about 5 miles per gallon at best moving that mile.
A tractor of that calibre working several hundred acres at a time is not foolish, time is in fact money. The foolishness factor comes in to play when somebody thinks they need something like that to work a few hundred acres or less.
 
I can do about 20 acres an hour chiseling and 45 acres per hour pulling the finisher.

Uh yeah its the gallons per hour because in 12 hours its out of fuel. Gallons per acre is all dependant on what width equipment you have, soil type. slope, and field condtions.
No matter what its 28 gallons per hour
 
Lots of us saw Big Bud in person in late August 2009.It was featured at Rantoul,Illinois during the Half Century Of Progress Show.It rained 5" on Thursday night and Friday so I didnt get to see it plowing.It plowed on Thursday and Sunday and could have easily pulled a plow twice the size of that one.You can see a video of it plowing on Youtube.That was the first time that the Williams Brothers and Big Bud had ever plowed.

It came a downpour during the parade Friday at 2pm that soaked me to the skin.Right after the parade I bought a Big Bud book from the Williams Brothers and they had to hang my money up to dry.
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From their book it says it pulls the 80 Ft Flex-Coil field cultivator about 6.5 to 7.5 mph.They cover an acre per minute and it uses from .75 to 1 gallon per acre.So the fuel consumption would be 45-60 gallons per hour.They ran it over 800 acres per day.They are all no-till now so it doesnt get used much.

At one time they farmed as much as 14,500 acres and their fields are huge.The tractor weighs 130,000 lbs when they farm and carries 1000 gallons of fuel.The tractor has 9000 plus hours on it.The tractor cost $300,000 when new and the Williams Brothers paid $95,000 for it in 1998 in Florida.
 
just guessing, I would say it would make the worlds worst row crop tractor.. I have seen a MRS in the field years ago, would love to see this one in action
 
I have been around it in Havre MT. It is incredible. It pulls a 60 foot field cultivator at 9 to 10 mph @ 8" deep in medium soil. It can pull more than it weighs. Most serious. Jim
 
Hi: s.crum: Container ships are another example of size pays off. Like wize large aircraft like 747 and military cargo etc.. ..and good solid contracts, ahead of time, to carry lots of cargo.
...and big size is why Wallmart can get prices lower etc. ag
 
back in 1980 i work for cont. had a tractor like that tthey run it around the clock two shifts it would do 60 acres a hrs. two big trucks haul in to yard the opert. say they would run over a hog would not know it until next round it was a yellow tractor. south tx.
 
There was more than one attempt to build big and most failed. Hp/traction/weight ratios were a problem. When they upped the Hp the tractor would hop and buck, till they found they needed approx. 100 lbs per Hp, to hold her down. then things took off.
 

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