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Beta 20SD.png
20SD Dimensions

Standard Features

  • Reliable heat exchanger cooled naturally aspirated indirect injection diesel engines, based upon Kubota’s highly advanced technology

  • Cast iron cylinder head and block with a gear driven camshaft and sea water pump

  • Three vortex combustion system for quiet running, low emissions and excellent fuel consumption

  • Installation angles up to 15° maximum (flywheel down) when static, and 25° when heeling

  • Selva saildrive leg, with 2.2:1 reduction ratio, Output rotation is clockwise in ahead viewed from saildrive end

  • G.R.P. moulded base with stainless steel inserts

  • Heavy duty power take off to drive auxiliary equipment

Optional Extras



Naturally aspirated, diesel propulsion engine developing 20 hp at 3,600 rpm with a swept volume of 719 cc.

Visit our Saildrive Solutions section to learn more about how Beta Engines special adaption and drive plate will suit your existing saildrive leg.

Beta Marine PNW… More Than Just Engine Sales

We don't want to just sell you an engine, we support the boating community through a comprehensive array of repowers, education and marine diesel engine services designed to enhance our customers’ experience on the water.

Beta Marine PNW is here to recommend the right size propulsion engine and associated materials needed for your repower. If you need assistance with installation, warranty services, repair or service needs, reach out and Contact Us today.

Beta 14 & Beta 16



Beta Marine's Beta 14 and Beta 16 engines are the perfect propulsion engines to replace your Atomic 4 gas guzzler.

Learn more about our Beta 14 and Beta 16 engines.

Small, Powerful, Quiet, Reliable

Beta Marine, marinized Kubotoa engines, are the perfect engines for the boat owner who likes to manage their own routine engine maintenance.

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Standard Specifications

Beta 20 Saildrive: 3 cylinder, naturally aspirated, diesel propulsion engine developing 20 hp at 3,600 rpm and a swept volume of 719 cc’s. The unit is supplied complete with heat exchanger and header tank, water cooled exhaust manifold, fresh and sea water pumps, cast injection bend, mechanical fuel lift pump, fuel and oil filters, heavy duty bearers, loose sump pump, flywheel with heavy inertia ring for super smooth running at low rpm, flywheel housing, special quiet air intake filter, 12 volt starter, 40 amp battery charging alternator, shutdown solenoid energized to stop, “ABV” control panel (with tachometer/hour recorder, key start switch and push button stop, warning lights and alarm buzzer for low oil pressure, high water temperature, no charge, and power on); with 3m interconnection cable with multi-pin plug and sockets to engine harness. Selva Saildrive leg with 2.2:1 reduction, heavy duty engine feet with flexible mountings, GRP base for mounting in hull, “Morse” type end fittings for speed and gear control, engine test certificate, operators manual. Red paint and packed on skid base with a 3-year “Self Service” warranty.

Literature & Manuals

Standard Control Panel - ABV



Panel ABV

                               Beta Marine Pacific Northwest is owned and operated by Sea Green Partners, dba SEA Marine, Port Townsend, WA                              

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