Hyundai D6CB engines are renowned for their dependability and ideal quality/cost ratio. The motors stand out for their economical fuel and lubricant consumption as well as their environmentally friendly exhaust. In their working chamber, the fuel is nearly entirely burned, and the electronic starter allows for an instant start. 12344 cm3 in-line 6-cylinder diesel engine with a turbocharger that can produce 380–410 horsepower. The HD250/HD260, HD270, HD500, and HD1000 vehicles use it as a power unit.

Specifications
| Also called | D6CB |
| Configuration | Inline 6-cylinder turbocharged diesel engine |
| Number of cylinders | 6 |
| Valves | 12 |
| Piston stroke, mm | 155 |
| Cylinder bore, mm | 130 |
| Displacement, cc | 12344 |
| Power output, hp | 380-410 |
| Torque output, Nm / rpm | 1200 |
| Compression ratio | 17.0:1 |
| Euro standards | Euro 3 |
| Weight, kg | 1153 |
| Fuel consumption, L/100 km | 28-30 |
| Engine oil capacity, liter | 30 |
