
High-speed craft engines 175–530 hp | Authorized distributor in Taiwan
BUKH R175
175 hp inline 4-cylinder 2.2 L common-rail engine for SOLAS fast rescue boats.
128.7 kW / 175 hpRated output
3,800 rpmRated speed
S3Rating
280 kgDry weight
Features
Features
Common rail direct injection
2.2 L inline 4-cylinder, 16-valve DOHC with a 2,000 bar solenoid-injector common rail system; according to the manufacturer, multiple injection reduces particulate and NOx emissions.
Shaft drive or waterjet
Can be paired with shaft drive or waterjet propulsion for fast rescue boats and high-speed craft.
Hybrid version
A R175J hybrid version is available with a 25 kW @ 96V electric motor.
Specifications
Full specifications
| Cylinders | Inline 4 |
|---|---|
| Displacement | 2.2 L |
| Bore × stroke | 85.4 × 96 mm |
| Rated output | 128.7 kW (175 hp) @ 3,800 rpm |
| Rating | S3 (light duty commercial: full power max. 2 h in 12 h) |
| Max. operating hours per year | 1,500 h |
| Dry weight | 280 kg |
| Power-to-weight ratio | 0.625 hp/kg |
| Compression ratio | 17.5:1 |
| Fuel injection | Common rail direct injection (CRDi), solenoid injectors at 2,000 bar |
| Max. torque | 440 Nm @ 2,000 rpm |
| Cooling | Heat exchanger cooling, seawater-cooled intercooler |
| Cold-start aid | Glow plugs |
| Alternator | 12V, 150 A |
| Propulsion | Shaft drive or waterjet |
| Electronic engine diagnostics | Yes |
| SOLAS/MED | SOLAS standard; DNV-issued MED Module B type-examination certificate |
Notes
- SOLAS/MED documentation is confirmed with the manufacturer for each order.
- Specifications are subject to change by the manufacturer; please confirm with the latest manufacturer data when selecting.
After-sales in Taiwan | Hallmark Marine Co., Ltd. (BUKH authorized distributor in Taiwan)
Equipment selection, installation guidance and sea trials, scheduled maintenance and repair, and genuine parts. For parts enquiries, please provide the brand, model, serial number and vessel name. Warranty follows the manufacturer's terms and is decided case by case.
Equipment selection, installation guidance and sea trials, scheduled maintenance and repair, and genuine parts. For parts enquiries, please provide the brand, model, serial number and vessel name. Warranty follows the manufacturer's terms and is decided case by case.