Alternator Options
Beta Marine Alternator Options
We offer a selection of different options to suit most requirements for either heat exchanger cooling or keel cooling. If you require an alternative solution with specific alternators we can normally design, manufacture and fit suitable alternator supports and pulley drives to suit your needs.
Reach out to us today with any questions you may have regarding your re-power.
Alternators Information Downloads
If you have any questions please do not hesitate to Contact Us.
Beta Marine Alternator Information Sheet –Â Alternator Information Sheet [PDF].
Marine Engines: Alternator Options
| Engine | Beta 10 | Beta 14 | Beta 16 | Beta 20 | Beta 25 | Beta 30 | Beta 35 | Beta 38 |
| Cylinders | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 |
| BHP | 10 | 13.5 | 16 | 20 | 25 | 30 | 35 | 38 |
| RPM | 3600 | 3600 | 3600 | 3600 | 3600 | 3600 | 2800 | 3600 |
| Capacity (cc) | 479 | 479 | 599 | 719 | 898 | 1123 | 1498 | 1498 |
| Torque (Nm) | – | 29.7 | 37.8 | 45.8 | 56.1 | 65.2 | 93.9 | 87.0 |
| Standard 40 Amp Alt. |
– | Standard | Standard | Standard | Standard | – | – | – |
| Standard 65 Amp Alt. |
– | – | – | – | – | Standard | Standard | Standard |
| Polyvee Drive Fitting to Standard Alt. |
– | Standard | Standard | Standard | Standard | Extra | Extra | Extra |
| Larger Alt. Option |
– | 70 Amp | 70 Amp | 70 Amp | 70 Amp | 100 Amp | 100 Amp | 100 Amp |
| Insulated Elec. Starting | – | – | – | – | – | 70 Amp | 70 Amp | 70 Amp |
| 2nd 12V Alt. | – | – | – | – | – | 100 Amp | 100 Amp | 100 Amp |
| 12V 125A Split Charge |
– | Extra | Extra | Extra | Extra | Extra | Extra | Extra |
| 24V Elec. Starting | – | – | – | – | – | – | – | – |
| 2nd 24V Alt. 80 Amp |
– | – | – | – | – | – | – | – |
| 2nd 24V Alt. 60 Amp |
– | – | – | – | – | – | – | – |
| Travel Power | – | – | – | – | – | – | 3.5 kVA | 3.5 kVA |
| Engine | Beta 43 | Beta 50 | Beta 60 | Beta 75 | Beta 90 | Beta 105 | Beta 150 | |
| Cylinders | 4 | 4 | 4 | 4 | 4 | 4T | 6 | |
| BHP | 43 | 50 | 56 | 75 | 90 | 99 | 147 | |
| RPM | 2800 | 2800 | 2700 | 2600 | 2600 | 2600 | 2800 | |
| Capacity (cc) | 1999 | 2197 | 2434 | 3620 | 3769 | 3769 | 6700 | |
| Torque (Nm) | 130.3 | 143.2 | 158.6 | 221.0 | 270.8 | 325.0 | – | |
| Standard 40 Amp Alt. |
– | – | – | – | – | – | – | |
| Standard 65 Amp Alt. |
Standard | Standard | Standard | Standard | Standard | Standard | – | |
| Polyvee Drive Fitting to Standard Alt. |
Extra | Extra | Extra | Extra | Extra | Extra | – | |
| Larger Alt. Option |
175 Amp | 175 Amp | 175 Amp | 175 Amp | 175 Amp | 175 Amp | – | |
| Insulated Elec. Starting | 70/100 Amp | 70/100 Amp | 70/100 Amp | 70/100 Amp | 70/100 Amp | 70 Amp | – | |
| 2nd 12V Alt. | 175 Amp | 175 Amp | 175 Amp | 175 Amp | 175 Amp | 175 Amp | – | |
| 12V 125A Split Charge |
Extra | Extra | Extra | Extra | Extra | Extra | – | |
| 24V Elec. Starting | Extra | Extra | Extra | Extra | Extra | Extra | – | |
| 2nd 24V Alt. 80 Amp |
Extra | Extra | Extra | Extra | Extra | Extra | – | |
| 2nd 24V Alt. 60 Amp |
Extra | Extra | Extra | Extra | Extra | Extra | – | |
| Travel Power | 3.5/50 kVA | 3.5/50 kVA | 3.5/50 kVA | 3.5/50 kVA | 3.5/50 kVA | 3.5/50 kVA | – | |
