With eight cylinders arranged in a V shape, the Hyundai D8AB engine is a potent diesel engine. The D8AB has a working volume of 17.7 liters. The engine is Euro 2 compliant. made for buses, trucks, manipulators, and other Hyundai-specific machinery.

The manufacturer installed this large-capacity engine on buses like the Hyundai Aero Express, Space, Queen, and KIA Granbird, as well as trucks like the Hyundai HD250, HD260, HD270, HD320, HD370, Gold, Trago, and Cargo Truck.
Specifications
| Manufacturer | Hyundai |
| Also called | D8AB |
| Fuel system | direct injection |
| Configuration | V |
| Number of cylinders | 8 |
| Piston stroke, mm | 140 |
| Cylinder bore, mm | 142 |
| Displacement, cc | 17787 |
| Power output, hp | 355/2200 |
| Fuel type | diesel |
| Euro standards | Euro 2 |
| Weight, kg | 1220 (dry) |
| Dimensions, mm — length — width — height |
1368 1313 1168 |
| Firing order | 1-2-7-3-4-5-6-8 |
Explanation of marking:
| D | Heavy Fuel Oil (Diesel) ICE |
| 8 | Engine type: 8-cylinder V-shaped |
| A | Engine Development Order |
| B | Engine Modification Series |
