For vehicles, the ratio of the excavator bucket capacity to the capacity of the car body should fluctuate from 1: 3 to 1: 5.
When using a wide range to carting with a wide range, it is advisable to use sap carpets (dumpkars) with a carrying capacity of 20-50 tons.
In the absence of such wagons, it is possible to equip ordinary platforms with special simple devices that allow to mechanize the unloading. Such devices can serve, for example, plugs-unloaders of monorail type.
For unloading earthly and ballasts, caterpillar tractors with special double-spial unloading plows during bilateral unloading and conventional equipment with a bulldozer during unilateral unloading are also used. In all cases of use for unloading the compositions of plows and tractors, a device of simple devices for ordinary platforms equipped with auto brakes is required.
With the speed of unloading with tractors, it should be noted as the negative side of this method by the rapid wear of wooden coatings of platforms. Libes and platforms with a capacity of 1 to 6 m3 are used as vehicles with narrow -hidden transport.