The ODC(over dimension cargo) ,For logistics, large items, as the name implies, are the items with advantages in weight and volume. In the transportation trailer, there are strict requirements for large items, which can not be completed by ordinary transportation vehicles, but by special transportation trailer.
Therefore, large equipment transportation generally refers to the transportation and distribution of large equipment.
Heavy cargo transportation includes over size and over weight.
Over height equipment (goods) refers to the loading outline size exceeding the vehicle gauge standard; over gauge equipment (goods) refers to the total weight of the vehicle acting on the bridge more than the design live load.
It mainly includes: generator stator, rotor, boiler drum, water wall, deaeration water tank, high and low pressure heater, girder, etc. in large-scale thermal power equipment; runner, upper and lower frame, rotor, stator, main shaft, stay ring, water guide mechanism, gate hoist, main transformer, station transformer, interconnection transformer, reactor, and high-voltage electrical equipment in large-scale hydraulic power equipment. All of them are ODC cargo, and need go with Modular trailer.