Thats great. I have a Simplicity Sunstar tractor 18 hp Kohler with a 60-inch-wide deck. The deck is shaft driven. It has a central hydrostatic pump that has a replaceable hydro oil filter. The hydraulic system uses Automatic Transmission (red) fluid, and the mower is equipped with a hydraulic...
Some tips that might be helpful here. First of all, beware of single cylinder riding mower engines, new and used. I'm not saying to disregard them, just be aware of some problems that are common to them. Single cylinder engines have a longer piston stroke that produces higher torque, which is...
Hauling Heavier Loads with a Riding Mower
Consider "coefficient of friction."
Mechanical and Hydraulic wear
Transmission Ground Drive design
Engines Horsepower/ Torque curve power intersection point.
Hydrostatic transaxles, after a certain point of internal wear, will have the surface area at...