GCT/GCL Series single track trolley is a kind of simple structure, easy to operate, light and small transport supporting lifting machinery and it has own characteristics of simple structure and easy operation. It can be attached to Chain Hoist or Electric Hoist or any other lifting machinery to form a loading trolley. It can be easily running on the bottom flange of I beam track at a curve radius for loading and unloading goods and equipments. The trolley can be divided in to two types depending on the drive mode: Geared Trolley (GCL) and plain Trolley (GCT) The Plain trolley is operated by pushing the lead and for the geared trolley. we can Pull the hand chain to drive it.