The 3 types of VIGAN pneumatic shipunloader are: the Mobile portable grain pump, the Tower type continuous shipunloader, and the high capacity NIV model.

VIGAN manufactures also a mechanical shipunloader called SIMPORTER.

Capacity of different types of pneumatic shipunloader vary from 100 to 250 tph for Mobile grain conveyor, 160 to 500 tph for tower type shipunloader, and 200 up to 800 tph for NIV continuous ship unloader.

The mechanical shipunloader is designed to reach a very high capacity of up to 1.500 tph.