| Item # | TS-12 | TS-12A | TS-13 |
| Diameter | 5″ (127 mm) | 8″ (203 mm) | 5″ (127 mm) |
| Material | Aluminum | Aluminum | Ductile Alloy |
| Weight | 6.5 lb (3 kg) | 11.5 lb (5 kg) | 14 lb (6 kg) |
| Load Capacity | 1,250 lb (567 kg) | 1,250 lb (567 kg) | 1,250 lb (567 kg) |
| Axle Diameter | 1″ (25.4 mm) | 1″ (25.4 mm) | 1″ (25.4 mm) |