Составные ролики JD
| Model | Model1 | D | H | h | d | T | Weight |
| JD52.5-33 | 4.053，MR0706 | 52.5 | 33 | 27 | 30 | 40 | 0.46 KG |
| JD62-37.5 | MR0021 | 62 | 37.5 | 30.5 | 30 | 42 | 0.5 KG |
| JD62.5-37.5 | 4.054，MR0430 | 62.5 | 37.5 | 30.5 | 30 | 42 | 0.53 KG |
| JD70.1-44 | 4.055，MR0022 | 70.1 | 44 | 36 | 35 | 48 | 0.8 KG |
| JD77.7-40 | 4.057 | 77.7 | 40 | 29 | 40 | 53 | 0.87 KG |
| JD77.7-48 | 4.056，MR0023 | 77.7 | 48 | 36.5 | 40 | 54 | 1 KG |
| JD88.4-57 | 4.058，MR0025 | 88.4 | 57 | 44 | 45 | 59 | 1.62 KG |
| JD101.2-46 | 4.059 | 101.2 | 46 | 33 | 50 | 67 | 1.74 KG |
| JD107.7-69 | 4.061，MR0027 | 107.7 | 69 | 55 | 60 | 71 | 2.82 KG |
| JD123-72.3 | 4.062，MR0029 | 123 | 72.3 | 56 | 60 | 80 | 3.89 KG |
| JD149-78.5 | 4.063，MR0010 | 149 | 78.5 | 58.5 | 60 | 103 | 6.54 KG |
| JD149-86 | 4.064，MR191 | 149 | 86 | 67 | 60 | 108 | 7 KG |
| JD174-95 | 4.0037 | 174 | 95 | 71 | 80 | 120 | 10.7 KG |
| JD185-95 | 4.0039 | 185 | 95 | 71 | 80 | 120 | 12 KG |
| JD64.8-37.5 | PR4.054 | 64.8 | 37.5 | 30.5 | 30 | 42 | 0.55 KG |
| JD73.8-44 | PR4.055 | 73.8 | 44 | 36 | 35 | 48 | 0.85 KG |
| JD81.8-48 | PR4.056 | 81.8 | 48 | 36.5 | 40 | 54 | 1.1 KG |
| JD92.8-57 | PR4.058 | 92.8 | 57 | 44 | 45 | 59 | 1.7 KG |
| JD111.8-69 | PR4.061 | 111.8 | 69 | 55 | 60 | 71 | 2.95 KG |
| JD127.8-72.3 | PR4.062 | 127.8 | 72.3 | 56 | 60 | 80 | 4.1 KG |
| JD153.8-78.5 | PR4.063 | 153.8 | 78.5 | 58.5 | 60 | 103 | 6.85 KG |
