A different process would be to utilize a variable displacement pump.  When the pump is configured for very low displacement, it creates a lower quantity of oil circulation, causing the hydraulic motor(s) to turn extra slowly. Arbitrarily sluggish crawl speeds.  The likely for top torque multiplication at very low speeds https://andyhzlwh.worldblogged.com/38834423/a-simple-key-for-gearbox-cvt-unveiled