Such large loads as combines and tractors, if disassembled, can be transported in trucks. But this rule does not work with all large machinery and equipment. There are oversized loads that can not always be sent in parts, which means that a truck for their transportation will definitely not work.
There are different types of special vehicles for the transportation of oversized cargo. For example, a platform conveyor.
It is designed for the transportation of large-sized heavy metal structures, transformers and reactors, boilers, turbines, mining equipment, machine parts and presses, the dimensions and weight of which do not allow them to be placed on universal platforms.