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The Beta Marine Engine – Beta 60 is a naturally aspirated 4‑cylinder diesel engine delivering approximately 56 hp (41.8 kW) at 2,700 RPM. With a displacement of 2,434 cc and weighing between 269–287 kg, it’s engineered for sailboats in the 43–46 ft range (≈15–17 tons), offering reliable, quiet, and efficient performance.
Key Features
- 4‑cylinder naturally aspirated Kubota-based diesel.
- Displacement: 2,434 cc; bore & stroke: 87 × 102.4 mm :contentReference[oaicite:1]{index=1}.
- Fresh-water heat exchanger, header tank, water-cooled wet exhaust manifold :contentReference[oaicite:2]{index=2}.
- High-inertia flywheel, intake silencer, mechanical fuel-lift and filtration :contentReference[oaicite:3]{index=3}.
- Standard 65 A alternator (upgradeable to 70–100 A/175 A options) :contentReference[oaicite:4]{index=4}.
- ABV control panel, flexible mounts & coupling included.
- Gearbox options: TMC 260 (standard), PRM, ZF, Technodrive, Bobtail, TM 345, with reduction ratios from 2:1 to 2.94:1 :contentReference[oaicite:5]{index=5}.
- Installation angles up to 15° static / 25° heeling :contentReference[oaicite:6]{index=6}.
Duty Cycle & Usage
- Application: Large sailboat propulsion
- Load Factor: 40%–80%
- Annual Use: Up to ~2,000 hours/year
Technical Specifications: Beta 60 Marine Engine
| Power Output | 56 hp (41.8 kW) @ 2,700 RPM |
|---|---|
| Cylinders | 4 inline |
| Displacement | 2,434 cc |
| Bore & Stroke | 87 × 102.4 mm |
| Cooling System | Fresh-water heat exchanger Dry header tank, water-cooled wet exhaust manifold |
| Fuel System | Indirect injection, mechanical governor, fuel lift and filters |
| Alternator | 65 A @ 12 V serpentine belt (upgradeable) |
| Transmission | TMC 260 standard; PRM, ZF, Technodrive, Bobtail options available |
| Dry Weight | ≈ 269–287 kg (593–633 lb) |
| Start System | 12 V electric starter |
| Control Panel | ABV with tachometer, hour meter & alarms |
Operating Conditions
- Ambient Temp: Up to 45 °C
- Fuel Type: EN 590 marine diesel
- Installation Angles: 15° static / 25° heeling :contentReference[oaicite:7]{index=7}.
Applications
The Beta 60 Marine Engine is ideally suited for:
- Sailboats 43–46 ft (15–17 tons displacement)
- Classic yachts, tenders, and cruising vessels
- Repower and retrofit installations in large keelboats
kW 41.8
RPM 2700
Duty Large sailboat propulsion
Emissions RCD II compliant
