15-40 Heavy Duty Rotella Oil, it's a great oil and will work well in the tractor even in extreme working conditions.
Most farming and tractor stores have on hand or can order you a wiring diagram for a 430 case gas farm tractor. You can also find a diagram in repair books available at your local library.
ih or farmall 706 is a 70 to 80 horse power tractor depending on the year1963 to 1967
JI Case DC4 tractor weight is 5300 lbs varying with year model and attachments. Oliver 88 weights also vary similarly with weights for the "Super 88" from 5400 to 9343 lbs. Review information at Tractordata.com.
The Case 380 had a David Brown 3 cylinder liquid cooled diesel motor with a displacement of 2.7 liters.
The gas mileage of a farm tractor depends on the model, the year, the condition, and the land driven on. There is no set gas mileage to be expected from a farm tractor.
According to my manual its 5.5 qts for the gas engine and 7.5 qts for the diesel.
You can get a tractor that is gas powered instead of diesel at www.hoyetractor.com/gasvsdiesel.htm. Another site is www.best-used-tractors.com In short yes you can get a gas powered tractor. This will not be very practical for a farmer but they are available .
gas fired the boiler
John Froelich
Until it runs out of gas!
go to tractor data.com
I would recommend taking it to a car/tractor shop.