Volvo’s D16B520 engine is a six-cylinder in-line diesel with an impressive 520 horsepower. Each of the engine’s six cylinders has four valves. These units’ power is increased by the turbocharging system.

These engines are distinguished by their low fuel consumption and smooth operation. They also comply with the majority of environmental regulations. The D16B520 engine makes use of cutting-edge technologies that help the units use less fuel and engine oil, as well as less time and money for maintenance. They are also the most environmentally safe option.
Specifications
| Engine’s type | diesel |
| Production years | 08/1998 |
| Power output | 382 kW / 520 hp |
| Displacement | 16120 cc |
| Number of cylinders | 6 |
| Valves | 24 |
| Compression ratio (compression) | 17.5:1 |
| Cylinder bore | 144 mm |
| Piston stroke | 165 mm |
| Firing order | 1-5-3-6-2-4 |
| Crankshaft bearings | 7 |
| Configuration | inline |
| Fuel type | diesel |
| Turbine | turbo / charge air cooler |
| Cylinder head | SOHC/OHC |
| Timing mechanism | spur gear |
| Timing | rocker arm |
| Cooling | water |
