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The Beta 45T is a turbocharged 4‑cylinder marinized diesel engine delivering 45 hp (33.5 kW) at 3,000 RPM. Its 1,498 cc Kubota‑based design offers robust performance and reliable propulsion—suitable for sailboats in the 37–42 ft range needing extra low‑end torque.
Key Features
- Turbocharged 4‑cylinder Kubota platform.
- Displacement: 1,498 cc; bore × stroke 78 × 78.4 mm.
- Heat exchanger, header tank, water‑cooled wet exhaust manifold.
- High‑inertia flywheel, intake silencer; mechanical fuel lift & filtration.
- Standard 70 A serpentine‑belt alternator.
- Includes ABV control panel with tachometer, hour‑meter, alarms.
- Flexible mounts, R&D flexible coupling and heavy-duty engine feet.
- Multiple gearbox options: TMC 60, PRM, ZF, Technodrive, Bobtail, etc.
Duty Cycle & Usage
- Application: Mid‑size to large marine propulsion
- Load Factor: 40%–80%
- Annual Usage: Up to ~2,000 hrs/year
- Installation Angles: ≤ 15° static, ≤ 25° heeling
- Compliance: RCD II; available in USA under EPA replacement rules (not Tier III) :contentReference[oaicite:1]{index=1}
Technical Specifications: Beta 45T Marine Engine
| Power Output | 45 hp (33.5 kW) @ 3,000 RPM |
|---|---|
| Cylinders | 4 inline |
| Displacement | 1,498 cc |
| Bore & Stroke | 78 × 78.4 mm |
| Cooling System | Fresh/raw water heat exchanger Water‑cooled wet exhaust manifold |
| Fuel System | Indirect injection, mechanical governor, fuel lift and filters |
| Alternator | 70 A @ 12 V serpentine belt |
| Transmission | Options: TMC 60, PRM, ZF, Technodrive, Bobtail |
| Dry Weight | ≈ 175 kg (386 lb) – engine‑only; 161 kg (355 lb) sail‑drive version :contentReference[oaicite:2]{index=2} |
| Start System | 12 V electric starter |
| Control Panel | ABV series with tachometer, hour‑meter, audible alarms |
Operating Conditions
- Ambient Temp: ≤ 45 °C
- Fuel Type: EN 590 marine diesel
- Installation Angles: ≤ 15° static / ≤ 25° heeling :contentReference[oaicite:3]{index=3}
Applications
The Beta 45T Marine Engine is ideal for:
- Sailboats 37–42 ft (≈10–12 tons displacement)
- Performance repowers needing extra low-end torque
- Medium-displacement retrofit installations
kW 33.5
RPM 3000
Duty Mid‑size marine propulsion
Emissions RCD II; EPA replacement program in USA (not Tier III) :contentReference[oaicite:4]{index=4}
