US Patent 10183811 Stacker drive module

A belt-type, portable, radial conveyor system is provided that may include a conveyor frame extending from a rear end to a front end, and having rear portions and front portions, a hopper disposed adjacent the rear end of the conveyor frame, a conveyor belt mounted to the conveyor frame, a tracked or wheeled drive carriage to support the conveyor system during relocation from site to site, and an engine mounted to the rear portion of the conveyor frame remote from the carriage.