Gearbox
Gearbox Options
Beta Marine offer the following gearbox options and reduction ratios for yachts. If you have a specific requirement or heavy duty application, e.g: fishing boats, then please ask and we will be pleased to discuss it with you.We can also mount your old / existing gearbox on a new Beta engine, if you wish to send it to us. For futher information on a specific gearbox, please look at the individual manufacturer’s websites for more information:
Gearbox Information Downloads
If you have any questions, please do not hesitate to Contact Us.
The standard gearbox is shown as ‘Std.’ and the alternative or upgrade gearboxes are shown as ‘Extra’. Click here for a printable version of the tables below – Informational Gearbox Sheet [PDF].
| Gearbox Options | Small Beta Engine | ||||||||||
| Gearbox | Ratio(s) | Beta 10 | Beta 14 | Beta 16 | Beta 20 | Beta 25 | Beta 30 | Beta 35 | Beta 38 | ||
| Technodrive (Mechanical Gearbox) | |||||||||||
| TMC 40 | 1.50:1 2.00:1 2.60:1 |
Std. | Std. | Std. | Std. | Std. | Std. | – | – | ||
| TMC 60 | 2.00:1 2.45:1 2.83:1 |
– | Extra | Extra | Extra | Extra | Extra | Std. | Std. | ||
| Oil cooler for LH in ahead | – | Extra | Extra | Extra | Extra | Extra | Extra | Extra | |||
| TMC 60A | 2.00:1 2.45:1 |
– | Extra | Extra | Extra | Extra | Extra | Extra | Extra | ||
| PRM Marine (Mechanical Gearbox) | |||||||||||
| PRM 80 | 2.04:1 2.50:1 |
Std. | Std. | Std. | Std. | Std. | Std. | – | – | ||
| PRM 120 | 2.04:1 2.50:1 2.94:1 |
– | Extra | Extra | Extra | Extra | Extra | Std. | Std. | ||
| PRM Marine (Hydraulic Gearbox) | |||||||||||
| PRM 150 | 2.09:1 2.82:1 |
– | – | – | Extra | Extra | Std. | Std. | Std. | ||
| PRM 260 | 1.96:1 2.94:1 |
– | – | – | – | – | Extra | Extra | Extra | ||
| ZF V Drive (Mechanical Gearbox) | |||||||||||
| ZF15 MIV | 2.13:1 2.64:1 3.00:1 |
– | Std. | Std. | Std. | Std. | Std. | Std. | Std. | ||
| Gearbox Options | Mid Beta Engine | ||||||||||
| Gearbox | Ratio(s) | Beta 43 | Beta 50 | Beta 60 | Beta 75 | Beta 90 | Beta 105 | Beta 150 | |||
| Technodrive (Mechanical Gearbox) | |||||||||||
| TMC 60 | 2.00:1 2.45:1 |
Std. | – | – | – | – | – | – | |||
| TMC 60A | 2.00:1 2.45:1 |
Std. | – | – | – | – | – | – | |||
| Oil cooler for LH in ahead | Extra | – | – | – | – | – | – | ||||
| TMC 260 | 2.00:1 2.47:1 2.88:1 |
Extra | Std. | Std. | – | – | – | – | |||
| Technodrive (Hydraulic Gearbox) | |||||||||||
| TM 345 | 2.00:1 2.47:1 |
Extra | Extra | Extra | Std. | – | – | – | |||
| TM 345A | 2.00:1 2.47:1 |
Extra | Extra | Extra | Extra | – | – | – | |||
| Trolling Valve Kit for TM 345 | Extra | Extra | Extra | Extra | – | – | – | ||||
| TM 93 | 2.09:1 2.40:1 2.77:1 |
– | – | – | Extra | Std. | Std. | – | |||
| TM 93A | 2.09:1 2.40:1 |
– | – | – | Extra | Extra | Extra | – | |||
| Trolling Valve Kit for TM 93 | – | – | – | Extra | Extra | Extra | – | ||||
| PRM Marine (Hydraulic Gearbox) | |||||||||||
| PRM 150 | 2.09:1 2.83:1 |
Std. | Std. | – | – | – | – | – | |||
| PRM 260 | 1.96:1 2.94:1 |
Extra | Extra | Std. | Std. | Std. | Std. | – | |||
| PRM 500 | 1.94:1 2.57:1 2.90:1 |
– | – | Extra | Extra | Extra | Extra | Std. | |||
| PRM 750 | 1.94:1 2.57:1 2.90:1 3.94:1 |
– | – | – | – | – | – | Extra | |||
| PRM 1000 | 2.86:1 4.00:1 |
– | – | – | – | – | – | Extra | |||
| Hydraulic ‘Short Shift’ | Extra | Extra | Extra | Extra | Extra | Extra | Extra | ||||
| ZF (Mechanical Gearbox) | |||||||||||
| ZF 25M | 1.88:1 2.74:1 |
Std. | Std. | Std. | – | – | – | – | |||
| ZF (Hydraulic Gearbox) | |||||||||||
| ZF 25 | 1.97:1 2.80:1 |
Std. | Std. | Std. | Std. | – | – | – | |||
| ZF 25A | 1.92:1 2.29:1 2.71:1 |
Std. | Std. | Std. | Std. | – | – | – | |||
| ZF 45-1 | 2.20:1 2.50:1 3.00:1 |
– | – | Extra | Extra | Std. | Std. | – | |||
| ZF 45A | 2.03:1 2.43:1 |
– | – | Extra | Extra | Std. | Std. | – | |||
| ZF (V Drive Gearbox) | |||||||||||
| ZF 15 MIV | 2.13:1 2.72:1 |
Std. | Std. | – | – | – | – | ||||
| ZF 63 IV | 1.99:1 2.48:1 |
Extra | Extra | Std. | Std. | Std. | Std. | ||||
