A rail-mounted gantry crane follows a fixed runway and is normally the better starting point for a stable production or storage lane, repetitive high-duty handling, heavy loads
Choose a ship-to-shore crane (STS) for vessel loading and unloading at a marine berth. Its defining parameters are vessel outreach, backreach, lifting height, rail gauge, rated load under the spreader, hoisting/travel speeds, wind condition and target ship moves per hour.
A rubber-tired gantry crane (RTG, also written rubber-tyred gantry crane) travels on tires and can usually move between compatible yard blocks. A rail-mounted gantry crane (RMG) follows a permanent rail path