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| T-320 | T-320M | T-320K | |
| Length, cm | 320 | 320 | 320 |
| Width, cm | 142 | 142 | 142 |
| Length of cockpit, cm | 220 | 220 | 220 |
| Width of cockpit, cm | 62 | 62 | 62 |
| Diameter of balloons, cm | 38 | 38 | 38 |
| Quantity of compartments, pcs | 2 | 2 | 2+1 |
| Capacity of passengers: Maximal, pers. | 4 | 4 | 4 |
| Carrying capacity, kg | 400 | 400 | 450 |
| Capacity of the engine: Maximal, h.p. | 6 | 10 | 12 |
| Packing dimensions, cm | 120x68x40 | 120x68x40 | 120x68x54 |
| Weight of boat in a pack, kg | 42 | 45 | 46 |