The 12.8-liter, 6-cylinder Volvo D13A520 engine has an overhead camshaft, four valves per cylinder, and unit injectors. The engine meets the EU’s Euro-3 emission regulations. features an electronic fuel injection system, a single cylinder head, a turbocharger, and an intercooler.

The D13A520 offers excellent fuel economy, outstanding performance, and high dependability. Because the camshaft drive is situated at the back of the engine, vibration is lessened and a power take-off can be installed there. To guarantee dependable engine operation, the cylinder block and cylinder head are constructed of cast iron.
Specifications
| Engine’s type | diesel |
| Production years | 09/2005 |
| Max RPM | 2100 rpm |
| Max power output at 1500-1800 rpm | 382 kW (520 hp) |
| Max torque output at 1050-1450 rpm | 2500 Nm |
| Displacement, dm3 | 12,8 |
| Number of cylinders | 6 |
| Valves | 24 |
| Compression | 18.1:1 |
| Cylinder bore, mm | 131 |
| Piston stroke, mm | 158 |
| Fuel type | diesel |
| Weight | 1115 kg |

For extremely effective control, the engine is outfitted with an EMS electronic control system. The fuel flow in the cooling circuit cools the electronic components of this dependably protected module, which is housed in an aluminum casing and mounted on rubber mounts.
Along with having a powerful engine, it also complies with Euro 3 standards for noise and emissions. Hydraulic shock absorbers are installed on the crankshaft and camshaft to lessen noise and vibration. At idle, the least amount of noise is produced.
