| type | rj-15 | rj-30 | rj-50 | rj-100 | |
| capacity（kg） | 1500 | 3000 | 5000 | 10000 | |
| testloao(kn) | 22 | 44.1 | 73.5 | 147 | |
| effortrequired to liet max load(n) | 300 | 350 | 400 | 580 | |
| dimensions(mm) | a | 81 | 83 | 108 | 124 |
| b | 100 | 130 | 140 | 140 | |
| c | 600-900 | 735-1090 | 730-1075 | 800-1190 | |
| d | 70-370 | 70-425 | 80-425 | 100-490 | |
| e | 55 | 60 | 71 | 86 | |
| f | 46 | 45 | 68 | 78 | |
| g | 110 | 138 | 170 | 170 | |
| h | 225 | 249 | 249 | 300 | |
| k | 147 | 180 | 190 | 252 | |
| r | 119 | 140 | 155 | 185 | |
| s | 166 | 235 | 217 | 187 | |
| t | 113 | 128 | 128 | 250 | |