Recently started working on son-in-law's tractor, shows to be a Mitsubishi but I think probably a Satoh, model ST2620. I am getting it in shape to sell and know nothing about this tractor and no luck finding help online. Can anyone tell me the capacity and what type of oil to use in trans/hydraulic system, also it has a 3 position lever on left side of seat, don't know what it does. All comments are appreciated.