| Gearbox model | Ratio | Transfer ratio “A” | Transfer ratio “B” |
| TM 485A1 Gearbox (Output shaft down angled 8°) | 1,51 | 1,51:1 | 1,51:1 |
| 2,09 | 2,09:1 | 2,09:1 | |
| 2,40 | 2,40:1 | 2,40:1 |
Maximum operating speeds: 4500 omw/min
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Twin Disc Technodrive TM 485A1 Gearbox
The high-quality marine gearbox Twin Disc Technodrive TM 485A1 gearbox manufactured in Italy is equipped with conical clutches hydraulically operated, actuated by a servo-system; gears are specially constructed for quiet operation and bearings are amply proportioned. This model is available for a wide range of marine diesel engines.
Download: Technical Brochure
