KPX Series is the most safe and convenient, there isn't wire outside the car and the rail length isn't limited. But the battery with heavy load for continuous 4-5 hours need recharge, it is more suitable for the work environments which have not high working frequency.

For loads up to 300 tons. Carts are mounted on steel rail for shuttling along a fixed path. They can be AC powered or DC battery powered. Typically used for moving materials such as steel or tanks of liquids from one location to another. Larger cart capacities and sizes are available for specific applications. Custom deck frames can be designed for specific assemblies to carry an entire shift of production and even serve as a stable moveable machine base.