HD Drive Over Truck Unloader. Drive over and unload. This unit can be run as a drive over, end dump, or side dump unloader. Running at 600fmp, the 48" belt can unload a full size truck in under 5 minutes. It is running 1" gravel but can run Coal, Corn, Grain, Mulch, Sand or Soil. The unit can be set up with hoppers and is completely "site portable."