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.

Standard Set Up
Optional Set Up
Standard Set Up (Shown with Optional 3.5 kVA Travel Power)
Optional Set Up

Alternators Information Downloads

If you have any questions please do not hesitate to Contact Us.
Beta Marine Alternator Information Sheet – 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