Beta 25
Beta 25hp – 3 Cylinder
Naturally aspirated, diesel propulsion engine developing 25 hp at 3,600 rpm with a swept volume of 898 cc.
Standard Features
- 250 lbs / 113 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
- High Rise Injection Exhaust (optional feature)
- 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 tier 4 emission compliant.
- Installation angles up to 15° maximum when static, and 25° when heeling.
- Technodrive or PRM gearboxes. Output rotation is clockwise (righthand) in ahead viewed from gearboxend.
Optional Extras
- Custom Saildrive Engine Mounts to suit your installation requirements.
- Shallow Sump.
- 12 Volt – 70 Amp Alternator.
- Keel cooling.
- Control Panels ABV, ABVW, B or C with gauges and alarms.
- Accessories.
Dimensions
Standard Specifications
Beta Marine – Beta 25: 3 cylinder, naturally aspirated, diesel propulsion engine developing 25 hp at 3,600 rpm with a swept volume of 898 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, keystart 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 feet 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.
Installation Drawings
- Beta 25 TMC40
- Beta 25 TMC40 Atomic Feet [PDF]
- Beta 25 TMC40 Vega Feet [PDF]
- Beta 25 TMC60 [PDF]
- Beta 25 ZF15MIV [PDF]
- Beta 25 Bobtail (No Gearbox) [PDF]
- Control Panel ‘ABVW’ Cutout [PDF]
- In relationshiop to your needs, please learn more about gearbox options and reduction ratios.
Literature & Manuals
- B25 – Engine Data Sheet [PDF]
- B25 – Engine Range brochure [PDF]
- Operator’s Maintenance Manual [PDF]