

| Model-T | 816 | 819 | 820 | 825 |
| Length (ft) | 16 | 19 | 20 | 25 |
| Diameter (in) | 21 | 21 | 25 | 25 |
| Thickness (in) | 0,061 | 0,061 | 0,080 | 0,080 |
| Bridge | 12 | 14 | 18 | 20 |
| Width (in) | 98 | 98 | 98 | 98 |
| Weight (lb.) | 990 | 1180 | 1340 | 1430 |
| Load cap. (lb.) | 1540 | 1590 | 2790 | 3490 |
| Persons | 6 | 9 | 14 | 18 |
| Max HP | 60 | 75 | 90 | 115 |