interchangeability of parts on to-20 and to-30

ben harpo

Member
Local seller started rebuilding a to-20 and then gave up leaving the whole engine apart. Selling for about the value of the rear tires.

I have two to-30's. How similar are the transmission and hydraulics and wheels?
 
According to the parts book the hydraulic pump uses different part numbers between the TO 20 & TO 30. It is possible they could interchange without noticing any difference. The transmission housing is the same so I am guessing the parts inside are the same, some of the TO 20s used a one piece shift lever and some used one like the TO 30 with a screw on knob on the top. No big deal there. If the sheet metal is in good shape I would have to go with Tony and say buy it. Sounds like you are in the right spot at the right time.
 
The difference in the pump is the pump had orings instead of gaskets on the valve chamber,had the oscilator on the control valve, and had the aluminum bridge on the control fork but you can interchange them with the TO-20 pump. The differential was different between a TO-20 and TO-30. The 20 had 16 spline axles and the 30 had 19 spline axles.
 
I forgot to add that the 30 has an inner and outer seal in the trumpet and the 20 just has the outer seal. The rear housing,axles,and trumpets from a 30 is the better one to have.
 
Cheap tractors move quick! I nabbed a $1600 MF50 diesel with MF38 loader less than 24 hours after it was posted on Craigslist. While I was there, the owner said there where several other people he had to call back if I took it, but I was the first to call. Not much room to dicker in that type of situation...

Dan
 

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