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The Beta Marine Engine – Beta 14 is a compact, reliable 2-cylinder diesel marine propulsion engine delivering 13.5 hp (9.9 kW) at 3600 RPM. Ideal for replacing gas Atomic 4 engines in small sailboats, it features quiet operation, excellent fuel economy, and marine-grade components.
Key Features
- Based on a marinized Kubota 2‑cylinder platform.
- Heat exchanger cooling for stable temperature control.
- Indirect injection with gear‑driven camshaft.
- Three‑vortex combustion for low emissions and smooth running.
- Complete with control panel and heavy‑duty flexible mounts.
Duty Cycle & Usage
- Application: Small marine propulsion
- Engine Load Variations: Medium
- Average Load Factor: 50% – 80%
- Working Time: Up to 2,000 hours/year
- Silent Running: High‑inertia flywheel for smooth idle.
Technical Specifications: Beta 14 Marine Engine
| Power Output | 13.5 hp (9.9 kW) @ 3600 RPM |
|---|---|
| Cylinders | 2 inline |
| Displacement | 479 cc |
| Bore & Stroke | 67 × 68 mm |
| Cooling System | Fresh/raw water heat exchanger |
| Fuel System | Indirect injection, mechanical governor |
| Alternator | 40 A @ 12 V (standard) |
| Transmission | TMC 40 (nominal 2:1) mechanical gearbox |
| Dry Weight | Approx. 90 kg |
| Start System | 12 V electric start |
| Control Panel | ABV series with tachometer, alarms, stop switch |
Operating Conditions
- Ambient Temperature: Up to 45 °C
- Installation Angles: Max 15° static / 25° when heeling
- Fuel Type: EN 590 marine diesel
Applications
The Beta 14 Marine Engine is perfect for:
- Small sailboats seeking Atomic 4 replacements
- Classic wooden yachts and tenders
- Light-marine motorboats
- Retrofit projects and compact installations
kW 9.9
RPM 3600
Duty Light marine propulsion
Emissions RCD II compliant
