A variant called the Built-in Hydrostatic Transaxle (IHT) takes advantage of one housing for the two hydraulic elements and gear-decreasing elements which is used in a few mini-tractors and experience-on garden mowers. Involving the discs are rollers, which change the ratio and transfer power from a single side to another. https://charliejkhey.idblogz.com/34411037/top-cvt-secrets