| Modelo | value |
|---|---|
| GMK7550 | 1 RPM. |
| GMK6350 | 1.6 RPM. |
| GMK6300B | 1.6 RPM. |
| GMK6250L | 1.7 RPM. |
| GMK6250 | 1.7 RPM. |
| GMK5275 Versión europea | 1.3 RPM. |
| GMK5275 | 1.3 RPM. |
| GMK5240 | 1.7 RPM. |
| GMK5225 | 1.3 RPM. |
| GMK5210 | 1.7 RPM. |
| GMK5175 | 1.5 RPM. |
| GMK5165-2 | 1.7 RPM. |
| GMK5165 | 1.7 RPM. |
| GMK5150B | 1.8 RPM. |
| GMK5120B | 1.7 RPM. |
| GMK5110B | 1.5 RPM. |
| GMK4100B | 1.8 RPM. |
| GMK4085B | 2.4 RPM. |
| GMK3055 | 2.5 RPM. |
| GMK3050-1 | 2.5 RPM. |
| GMK3050 | 2.5 RPM. |
| GMK2035 | 2.7 RPM. |
| AT9120 | 1.4 RPM. |
| AT880 | 1.9 RPM. |
| AT865 | 1.9 RPM. |
| AT700D | 2 RPM. |
| AT700B | 2.5 RPM. |
| AT400 | 2 RPM. |
| AT1100 | 2 RPM. |