The Light Rail 3 runs by a self-propelled 6 rpm motor; no pulleys, chains, or gears.
The Light Rail 3 Intelli Drive travels at approximately 4 feet per minute. The Smartbox pauses at each end for 30 seconds

The smart drive mover comes with a specially designed motor that travels at 4 feet per minute and pauses for 30 seconds at each end.

The Light Rail 5 Motor Kit comes with a 4RPM commercial drive motor, 8 feet of rail, adjustable crossbar, and mounting hardware.