Hyundai Motor Company produces the D6AB, a six-cylinder diesel engine. Ideal for Hyundai Super Aero City 290 buses, Hyundai Aero City 290, Hyundai Universe 290, and Hyundai HD Heavy HD170 trucks.

South Korean engines stand out for their dependability, excellent assembly, and inexpensive maintenance. For Russian car owners in particular, the D6AB series engines’ unpretentious fuel quality and trouble-free cold start are crucial. An intake manifold heating system is installed in the engine. This guarantees continuous operation throughout the winter. The engine meets European standards for exhaust gas toxicity and has a high power output.
Specifications
| Manufacturer | Hyundai |
| Also called | D6AB |
| 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 | 290-310/2000 |
| Torque output, Nm / rpm | 1250/1400 |
| Fuel type | diesel |
| Euro standards | Euro 2 |
| Weight, kg | 990 (dry) |
| Dimensions, mm — length — width — height |
1338,6 1041,9 1171,6 |
| Firing order | 1-5-3-6-2-4 |
| Engine lifespan, thousand km — official information |
1 000 |
The figure below illustrates the design of the valve mechanism, which is constructed in accordance with the scheme with the upper valve arrangement.
The D6AB engines have a working volume of 11.041 thousand cubic meters, and they have a strong turbocharger that increases torque. The HD D6AB engine’s primary characteristic is its high power fuel efficiency. The vehicle uses 25 liters of diesel per 100 kilometers when it is loaded to its maximum capacity. The motor performs admirably in both interregional cargo transportation and urban driving.
Explanation of D6AB marking
| D | Heavy Fuel Oil (Diesel) ICE |
| 6 | Engine type: 6-cylinder in-line. |
| A | Engine Development Order |
| B | Engine Modification Series |
