Last LP tractors.

tomstractorsandtoys

Well-known Member
What were the last LP tractors built? I know Deere quit with the side console 4020's in 1972. What year and model did the other companies quit? Rare to see an LP tractor here and I have no experience with them. Tom
 
I've seen a few side console 4020 LP's around here and one was a 1972. Far from common but they were here but where they are today I do not know.
 
I have never seen one of those, but I have seen 7/8/970 gas so it's very possible. Would like to see one some day. Propane tractors were rare around here because they were hard starting in the winter. There were a couple 930 propane tractors around.
 
Minneapolis Moline probably made the highest percentage of their production fueled with LP gas. They even made an LP powered articulated 4wd A4T-1600. 504 did 6 cyl. In 1970 to '72.
 
I know people don't like them never farmed with it but when grandpa retired farming he started collecting John deeres bought a 1958 620 lp. Drove it a few times I think it's a beautiful tractor. Dad sold the collection but the 620 hhasent sold yet gma wants me to sell it for her but I think I need it lol
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not factory, but maybe aftermarket Case dropped LP factory options in 1969 when the 30 series ended production other than the few combines they made through 1970 before production was halted in the USA
 
LP tractors were for the most part regional. Tx. & Ok. had quite a few and they are still around. Case LA's, 500, 900, 930's were plentiful around the Tx. rice fields. A lot of MM's were LP and some farms even converted the JD model D's to LP. Have seen some Oliver 1850's & a few 4020's. I remember plowing with a LA and the fumes gave me a splitting headache.
 
I find that statement "They were hard starting" really questionable , around here they were marketed as being much easier to start than diesels of that age. Took less batteries and the vapor of the LP fired off easier.
 
Not when it's below zero, around here we sometimes can even have trouble with a house propane tank if it's too low or too full when it's very cold as they don't have enough surface area to vaporise properly when it's very cold. I had a propane fork lift when I had my shop and it has to be inside in the winter. Changed it to gas and problem solved.
 
Indeed. Gasoline engines were dominant here in the northeast until diesels pushed them aside. I still like to keep a couple of gas tractors around, as I have a PTO alternator.
 
I still have a 1968 John Deere 4020 power shift. We still use it to mow side ditches and spot spray some. I taught all my kids and wife how to operate a farm tractor and pull equipment with this tractor. This tractor has never had the head off and has over 8000 engine hours and the transmission has never been touched.
 
(quoted from post at 08:34:59 09/21/19) I find that statement "They were hard starting" really questionable , around here they were marketed as being much easier to start than diesels of that age. Took less batteries and the vapor of the LP fired off easier.

LP does not vaporize or vaporizes very little when the temperature is below zero.
 
Notice how steering shaft goes thru the tank on that 620LP. Farmall did that also.I used an Oliver 770 LP mixing dairy rations for many years and it worked well with less exhaust fumes inside buildings.Fuel is much cheaper than gasoline or diesel and no problems of stealing from tank. If you run out you have to drag tractor to tank.
 
Propane has a vapor temperature of -44 degrees F. while butane has a vapor temperature of +30 degrees F.
 

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