We offer a selection of different alternator options (subject to additional cost) to suit most requirements for keel cooled engine use. However, if you require an alternative solution with specific alternators we can usually design, manufacture and fit suitable alternator supports and pulley drives to suit your needs.
| Engine | Beta 14 | Beta 16 | Beta 20 | Beta 25 | Beta 30 |
| Standard 12V Alternator | 40 Amp | 40 Amp | 40 Amp | 40 Amp | 40 Amp |
| Optional 12V Alternator (in Lieu of Standard ) | 75 or 120 Amp | 75 or 120 Amp | 75 or 120 Amp | 75 or 120 Amp | - |
| Polyvee Drive | Standard | Standard | Standard | Standard | Standard |
| Optional 12V Insulated Return Alternator (in Lieu of Standard ) | 70 Amp | 70 Amp | 70 Amp | 70 Amp | - |
| Standard 2nd 12V Alternator | - | - | - | - | 100 Amp |
| Optional 12V Lithium Ion Battery Charger Alternator (in Lieu of Secondary) | - | - | - | - | 130 Amp |
| Optional 2nd 24V Alternator (in Lieu of Standard ) | - | - | - | - | - |
| Optional Travel Power | - | - | - | - | - |
| Engine | Beta 38 | Beta 43 | Beta 50 | Beta 60 | Beta 75 |
| Standard 12V Alternator | 40 Amp | 45 Amp | 45 Amp | 45 Amp | 65 Amp |
| Optional 12V Alternator (in Lieu of Standard ) | - | - | - | - | - |
| Polyvee Drive | Standard | Extra | Extra | Extra | Extra |
| Standard 2nd 12V Alternator | 100 Amp | 175 Amp | 175 Amp | 175 Amp | 175 Amp |
| Optional 12V Lithium Ion Battery Charger Alternator (in Lieu of Secondary) | 90 Amp | 130 Amp | 130 Amp | 130 Amp | 130 Amp |
| Optional 2nd 24V Alternator (in Lieu of Standard ) | - | 80 or 100 Amp | 80 or 100 Amp | 80 or 100 Amp | 80 or 100 Amp |
| Optional Travel Power | 3.5 kVA | 3.5 or 5.0 kVA | 3.5 or 5.0 kVA | 3.5 or 5.0 kVA | 3.5 or 5.0 kVA |
| Engine | Beta 90T | Beta 105T | Beta 115T | ||
| Standard 12V Alternator | 65 Amp | 65 Amp | 65 Amp | ||
| Optional 12V Alternator (in Lieu of Standard ) | - | - | - | ||
| Polyvee Drive | Extra | Extra | Extra | ||
| Standard 2nd 12V Alternator | 175 Amp | 175 Amp | 175 Amp | ||
| Optional 12V Lithium Ion Battery Charger Alternator (in Lieu of Secondary) | 130 Amp | 130 Amp | 130 Amp | ||
| Optional 2nd 24V Alternator (in Lieu of Standard ) | 80 or 100 Amp | 80 or 100 Amp | 80 or 100 Amp | ||
| Optional Travel Power | 3.5 or 5.0 kVA | 3.5 or 5.0 kVA | 3.5 or 5.0 kVA |