Heavy-duty commercial engines 238–700 hp | Authorized distributor in Taiwan
BUKH L500
500 hp inline 6-cylinder 12.7 L commercial engine, S1-rated.
367.6 kW / 500 hpRated output
1,800 rpmRated speed
S1Rating
1,310 kgDry weight
Features
Features
Electronic unit injection
Electronic unit injectors (EUI) with high-pressure six-hole injector nozzles and electronically controlled injection timing.
Heavy-duty construction
According to the manufacturer, the range is designed for commercial use, with a one-piece cast cylinder head, a lower stiffening frame to reduce vibration and noise, and long-life timing gears.
Type approval options
Available with EIAPP and RINA type approval.
Specifications
Full specifications
| Cylinders | Inline 6 |
|---|---|
| Displacement | 12.7 L (12,742 cc) |
| Bore × stroke | 130 × 160 mm |
| Rated output | 367.6 kW (500 hp) @ 1,800 rpm |
| Rating | S1 (heavy duty commercial: unlimited continuous full-power operation) |
| Max. operating hours per year | 5,000 h |
| Dry weight | 1,310 kg |
| Power-to-weight ratio | 0.382 hp/kg |
| Compression ratio | 16.0:1 |
| Max. torque | 232.0 kg·m @ 1,200 rpm |
| Fuel injection | Electronic unit injectors (EUI) |
| Aspiration | Waste-gate turbocharger (WGT) with intercooler |
| Cooling | Heat exchanger cooling, seawater-cooled intercooler; keel cooling optional |
| Cold-start aid | Air heating system |
| Alternator | 24V, 90 A |
| Max. fuel consumption | 89.2 L/h |
| Propulsion | Shaft drive or waterjet |
| Emissions | IMO Tier II certified |
| Type approval options | EIAPP, RINA |
| SOLAS | Not a SOLAS model |
Notes
- The 238–700 hp heavy-duty series is not a SOLAS model range.
- 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.