JS-504D tractor is specially disigned for working in greenhouses and gardens, which is equipped with  jaw & toothed differential lock and single/double speed of PTO. In a word, they have many advertages such as compact constraction, small turning radius etc. After attaching with various agricultural implements, it can be available for ploughing, fertilizing, scarify, spray in greenhouse or garden. They are idel tractors for greenhouses and gardens.