| Modelo | Ancho de vía |
|---|---|
| R996 | 6000 mm - 19.7 pies. |
| R995 | 5600 mm - 18.4 pies. |
| R994 | 4900 mm - 16.1 pies. |
| R984C | 4000 mm - 13.1 pies. |
| R974B | 3600 mm - 11.8 pies. |
| R964B | 3200 mm - 10.5 pies. |
| R944B | 2400 mm - 7.9 pies. |
| R924B | 600 mm - 2 pies. |
| R317 | 2000 mm - 6.6 pies. |