Seawaymax
The saint lawrence seaway is a system of locks, canals and channels in canada and the united states. the canal lock basins restrict the size of bulk carriers using the saint lawrence seaway. the limiting dimensions are loa 226m and maximum draft 8m.

Handysize (15-35 000 Tons)
A handysize bulk carrier is a bulker which has dwt between 10 000 and 35 000mt. she has four holds, served by onboard deck cranes for cargo operation. the dimensions of typical handysize vessel of 28 000mt dwt will be: loa 170m, beam 27m, draft 9m.

Panamax (60-80 000 Tons)
The saint lawrence seaway is a system of locks, canals and channels in canada and the united states. the canal lock basins restrict the size of bulk carriers using the saint lawrence seaway. the limiting dimensions are loa 226m and maximum draft 8m.

Supramax (35-60 000 Tons)
Supramax bulk carriers are bulk carriers with dwt from 35 000mt to 60 000mt. the vessels operates on geographically dispersed trade routes, generally carrying grains and minor bulks. the dimensions of typical 55 000mt dwt supramax bulk carrier will be: loa 190m, beam 33m, draft 11,5m. she is geared with four cranes to serve 5 holds.