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The perfect engine to replace your Atomic 4! Naturally aspirated, diesel propulsion engine developing 13.5 hp at 3,600 rpm with a swept volume of 479 cc.

14 Dimensions

Standard Features

  • 198 lbs/90 kg

  • 12 Volt Starter

  • 40 Amp Alternator w/ upgrade options

  • Gearbox with nominal 2:1 reduction w/ gearbox options and reduction ratios

  • Serpentine belt upgrade option

  • Reliable heat exchanger cooled, naturally aspirated, indirect injection diesel engine, 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, excellent fuel consumption, and emission compliance in all countries

  • Installation angles up to 15° maximum when static, and 25° when heeling

  • Technodrive or PRM gearboxes, output rotation is right handed

Optional Extras








Installation Drawings

Beta 14: TMC40, TMC40 Atomic Feet, TMC40 Vega Feet, TMC60A, ZF15MIV

Beta 14 Bobtail (No Gearbox)

Standard Specifications

Beta 14 - 2 cylinder, naturally aspirated, diesel propulsion engine developing 13.5 hp at 3,600 rpm with a swept volume of 479 cc (Recreational Craft Directive emission compliant). The engine is supplied complete with a 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, 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, control panel “ABV” (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); a 3m interconnection cable with multi pin plug and sockets to engine harness. Gearbox with nominal 2:1 reduction, heavy duty engine mounts with flexible mountings, flexible coupling disc on gearbox, “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

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

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