One of the most popular engines for trucks and buses worldwide is the Hyundai D6AV. It satisfies the strict requirements of global ecology, offers a high level of efficiency, and uses comparatively little fuel.

With a maximum service life of one million kilometers, the D6AV engine is a four-stroke, six-cylinder, water-cooled, direct injection diesel engine.
Hyundai Aero City, Hyundai HD120, Hyundai HD170, and Hyundai HD250 are some of the truck and bus models that use this kind of engine.
Modern machinery is used in the production of D6AV spare parts, including connecting rod bushings, injector nozzles, liners, pistons, bushings, and piston pins. Additionally, cutting-edge technologies enable the production of parts that give the device low vibration, dependability, and noise levels while in use.
Specifications
| Manufacturer | Hyundai |
| Also called | D6AV |
| Fuel system | direct injection |
| Configuration | inline |
| Number of cylinders | 6 |
| Piston stroke, mm | 140 |
| Cylinder bore, mm | 130 |
| Compression ratio | 17 |
| Displacement, cc | 11149 |
| Power output, hp | 235/2200 |
| Torque output, Nm / rpm | 745/1400 |
| Fuel type | diesel |
| Euro standards | Euro 2 |
| Weight, kg | 905 (dry) |
| Dimensions, mm — length — width — height |
1337,9 901,3 1005,7 |
| Firing order | 1-5-3-6-2-4 |
| Engine lifespan, thousand km — official information |
1 000 |
D6AV marking decoding
| D | Heavy Fuel Oil (Diesel) ICE |
| 6 | Engine type: 6-cylinder in-line. |
| A | Engine Development Order |
| V | Engine Modification Series |
