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Fifteen year old needs help pulling a John Deere 720

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Stephen G

03-09-2002 07:38:18




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Hi I am fifteen and i was woundering if someone could help me I just bought a John Deere model 720 Diesel Standard tractor and would like to do some stock antique tractor pulling with it, my question is how much can a tractor like this pull on the stone boat, and are these tractors competitive in their weight class. Thanks very much Stephen G




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Tony730

03-10-2002 17:35:02




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 Re: Fifteen year old needs help pulling a John Deere 720 in reply to Stephen G, 03-09-2002 07:38:18  
Truthfully, the 720/730 will pull as much as you can give it. Most of the time tractor will spin out before you will get it to choke. I have a 730 Diesel Row Crop and I pull in second gear with 15.5-38's (with monster air pressure) all the way through the 11,000# class. 9000 - 10000#'s seems to be the best classes. 8000#'s without any weight and stack on as much as you can(fill tires with water,etc. then add wheel weights) The more weight you give it the better it is. Check with your local clubs and find out whether they have the heavy weight classes or not

Check into a good diesel injection shop and they can work on your injectors. Change pressures, etc. Post back if you want a name. One other hint...Most of the time those engines do not develop any heat until it starts to be put under a load. Always get the tractor engine as hot as possible.

Be careful and talk to your father about the following!!!..... Simple solution to the heat problem is to cover 3/4 of the radiator to prevent air from following through the radiator.

Also, spend the money and take it to a tractor dealer and let run on dyno until it produces rated horsepower/heats to 180-190 deg. Run at that temperature for about 10 minutes. This will basically clean the tractor out if it has not been run and put under load in a while.

Tony

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