目前 ,公安交通管理机关实行的机动车驾驶证准驾车型代号规定 ,持农用车驾驶证 (Ｊ)可驾驶大型拖拉机(Ｇ)和小型拖拉机 (Ｈ)。这种准驾规定存在以下弊端。( 1 )不利于管理。拖拉机的管理已由公安部门委托给农机部门管理。允许持农用车驾驶证驾驶拖拉机 ,就势必造成公安部门管发 Currently, the public security traffic control authority to implement the motor vehicle driver’s license quasi-driving code requirements, holding a driver’s license (J) can drive large tractors (G) and small tractors (H). This quasi-drive provides the following drawbacks. (1) is not conducive to management. Tractor management has been entrusted to the agricultural sector management by the public security department. Allow driving license holders of agricultural vehicles driving tractors, it is bound to cause the public security department hair