Common John Deere D140 Hydramatic Transmission problems

Your tractor mower is equipped with a pretty complex transmission, it’s an integrated hydrostatic transaxle (IHT). Hydrostatic transmissions are a type of CVT that uses an oil pump and oil motor for varying the gear ratio. Your transmission has a differential, reduction gear set, oil motor, oil pump, swash plates, check IDS valves (that control … Read more