Beta 20Atomic 4 Replacement - Beta Marine USA (2024)

• EPA (U.S Environmental Protection Agency) Tier III – 40 CFR 1042 exhaust emission compliant Recreational Use.
• Mechanically governed comes with:
  • Heat exchanger, header tank and water cooled exhaust manifold.
  • Fresh and sea water pump, injection bend for a wet exhaust.
  • Mechanical fuel lift pump, fuel and oil filtration.
  • Flywheel housing and drive plate with heavy inertia ring for super smooth running at low rpm.
  • Special quiet air intake filter.
• 40 Amp, 12 Volt battery charging alternator.
• Complete with ‘ABV’ control panel with tachometer with running hour recorder, keystart switch, push button stop, green light for ‘power on’, red warning lights and audible alarm for: low oil pressure, high water temperature and engine alternator ‘no charge; 3m interconnection cable with multi pin plug connector.
• Heavy duty engine feet and flexible mountings.
• R&D flexible coupling.
• ‘Morse’ type end fittings for engine speed and transmission control.
• Engine test certificate and operators manual.
• Beta red paint.

Transmission Options & Technical Drawings

Beta Marine offers a wide variety of transmission options and reduction ratios. These have been selected to match the torque loading of each engine and with the various gear ratios available we have right transmission to fit your application. Find out more…

Control Panel Options

Beta Marine offer a range of control panels to cater for various requirements. Click on any of the thumbnail images to view a larger more detailed image of the control panel. Find out more…

Alternator Options

We offer a selection of different alternator options (subject to additional cost) to suit most requirements for heat exchanger 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. Find out more…

Note: Minimum recommended battery: Not included.

12v 70Ah 450CCA

Custom Engine Mounts

Beta Marine engines have been fitted into tens of thousands of vessels around the world using our standard engine feet. However engine bearers can vary immensely so when a problem arises, our solution is to offer our unique service of designing and manufacturing engine mounts to suit your individual engine bearers.

Having designed, manufactured and supplied thousands of bespoke engine mounts when required, the additional cost of this option is heavily repaid when your new engine just drops onto your existing engine bearers and lines up with your propeller shaft reducing installation complexity, time and labour. Find out more…

Dealer Network

When ordering an engine we always recommend that you talk to your local Beta Marine dealer about what you are looking for, so that you can agree a specification of the engine and accessories you require and they will then quote you. A list of authorised Beta Marine US dealers maybe found within the interactive map below. If your state or city has no convenient nearby dealer, or if you would like to become a Beta Marine US dealer, please contact us to discuss your requirements.

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