What is the standard maximum permitted width for a freight truck in Belarus (standard body vs isothermal/refrigerated body)?

1. 2.40 metres for all vehicles
2. 2.55 metres for standard bodies, and up to 2.60 metres for isothermal/refrigerated bodies
3. 3.00 metres for all trucks
4. 2.50 metres for standard and 2.75 metres for refrigerated