The Volvo D12A340 engine is a 12 liter engine. 6-cylinder, has 4 valves per cylinder, with a piston stroke of 150 mm and a cylinder diameter of 131 mm. Produced since 1993. to 1995 for Volvo FH 12.
The presence of 6 cylinders located in one row greatly facilitates routine maintenance. The cylinder head and the block itself are cast from high quality cast iron, which has a large margin of safety.
Specifications
| Engine’s type | diesel |
| Production years | 08/1993 |
| Power output, hp / kW | 340 / 250 at 1700 rpm |
| Displacement, cc | 12100 |
| Number of cylinders | 6 |
| Valves | 24 |
| Torque output, Nm / rpm | 1550 at 1100-1300 rpm |
| Compression ratio (compression) | 17,5:1 |
| Cylinder bore, mm | 131 |
| Piston stroke, mm | 150 |
| Configuration | inline |
| Fuel type | diesel |
| Fuel system | direct injection |
| Turbine | turbo / charge air cooler |
| Cylinder head | SOHC/OHC |
| Timing mechanism | spur gear |
| Timing | rocker arm |
| Cooling | water |
Decoding of marking
| D | Type of fuel: diesel |
| 12 | Displacement |
| A | Modification ID |
| 340 | Quantity hp |





