In this configuration, the use of a tractor is mandatory.
On the front lifting device, the 3d point carries a frame supporting the shields with the valves and steam distribution. This unit is connected by a steam pipe to the boiler located at the rear of the tractor, hitch by a shaft. The frame of the boiler follows the tractor's track.
An operator moves the tractor forward and actuates the lifting device to perform the disinfection in 6-minute cycles.