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JD 3020 gas vs deisel

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Shawn

06-24-2002 04:26:27




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I have an opportunity to buy a JD 3020 gasoline tractor in great shape. I have heard varying opinions regarding the pros and cons of gas vs deisel. WHat will I gain or lose with gasoline over deisel?




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JDJIM

06-24-2002 20:47:57




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 Re: JD 3020 gas vs deisel in reply to Shawn, 06-24-2002 04:26:27  
Diesel will have more power , use less fuel and start harder in the cold . Diesel will also cost 2-3,000 more , at least in Illinois that's the way it is . It was mentioned that there are less gas than diesels but around here seems about 1/3 diesel and 2/3 gas . $4,000 buys a nice gas but it takes at least $6500 to get a diesel . Saw a 1965 diesel powershift bring $8500 last winter and it was leaking out of the weep holes .
Gas will start better in cold , use more fuel , less power and the cast aluminum carb has problems . The gassers I've been around seemed to be a little under powered especially with powershift trans .
I have a 1964 diesel powershift , had it since 1970 , used as a chore tractor , never been on a plow but we picked a lots of corn with a NI mounted picker , baled and cut lots of hay . I put a 48 loader on it couple yrs ago . Nice little economical tractor . As far as upkeep cost I think it will cost less to run a diesel than a gas . I put sleeves and pistons in it once and put gasket kit in the injection pump and checked the injectors once in 30+yrs , not too bad I'd say .

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G Taylor

06-24-2002 15:55:37




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 Re: JD 3020 gas vs deisel in reply to Shawn, 06-24-2002 04:26:27  
In addition to several other valid points raised, the gasser is rarer & will more collectable in the future. If the thermostat is a 195F, the intake manifold is turned to heat, the idle & load mixture leaned out, proper float level adjustment and a working carb. Some believe highly in those MSD 5 ignition boxes & pointless conversions. Check the aircleaner for being clogged or dented in from over tightening. Then they are almost reasonable in fuel consumtion. There is always someone around however, with an out of tune gasser & the tendency to tell tall tales. Of how thier 4020 "burns a tank of fuel per hour" etc.

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mike

06-24-2002 10:12:15




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 Re: JD 3020 gas vs deisel in reply to Shawn, 06-24-2002 04:26:27  
It depends on what you are going to do with it.
We have a 4020 gas with a loader on it and it works great for us because we don't need the extra power of a diesel and we do a lot of short trips.We did a complete tune up on it after we got it and it has given good service,with the only trouble being the marvel shebler aluminum carburetor which we replaced with a cast iron zeinth that works much better,but still sucks lots of gas when used heavy.One advantage is that for the most part gas tractors don't seem to have had as many hours clocked on them and are not as worn out.

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Dr. Evil

06-24-2002 07:25:11




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 Re: JD 3020 gas vs deisel in reply to Shawn, 06-24-2002 04:26:27  
Life expectancy of the diesel engine is about twice as long on the diesel as the gas engine, but the diesel costs a little more to rebuild.



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Mark A

06-24-2002 05:53:45




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 Re: JD 3020 gas vs deisel in reply to Shawn, 06-24-2002 04:26:27  
Not much. The diesel will be slightly more fuel efficient and more powerful, but only slightly all things being equal. A diesel fuel delivery system, including storage tanks and the tank on the tractor, will need more attention than gasoline. Water, which can lead to bacteria, can be a problem in diesel, especially if it will sit for a while. A filter/water separator is needed with diesel and is not that big a problem with gasoline, although water in gasoline is a problem too. Just easier to take care of in gasoline versus diesel. The gasoline will need to be tuned up regularly, ignition and carburetor, which the diesel will not need. If you have other tractors that are diesel, or if you have other tractors that are gas, then the decision is easy. I have a 3020 gas that works super for my operation. Only problem, is that it is very cold natured. Even on a 95 degree Texas day, mine needs to be choked, and "warmed up" with the choke on before working. Other than that, a very good working tractor.

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