The 3.9-liter Mitsubishi 4D34 turbodiesel appeared around 1992 and became one of the most widespread Fuso Canter engines; in export markets it is still used in some countries.
It is an OHV four with direct injection, an in-line pump and a turbocharger, usually with an intercooler. Bore and stroke are 104 x 115 mm. Depending on the version (4D34-2AT4, 2AT5, 2AT7, 2AT8) it develops 110-136 hp and 275-373 Nm.
The 4D3 series also includes: 4D30, 4D31, 4D32, 4D33, 4D35 and 4D36.
Specifications
| Production years | since 1992 |
| Displacement, cc | 3907 |
| Fuel system | direct injection |
| Power output, hp | 110 – 136 |
| Torque output, Nm | 275 – 373 |
| Cylinder block | cast iron R4 |
| Cylinder bore, mm | 104 |
| Piston stroke, mm | 115 |
| Features | OHV |
| Turbocharging | yes |
| Fuel type | diesel |
| Euro standards | EURO 2/3 |
The engine was installed on:
- Mitsubishi Fuso Canter 5 in 1992 – 1993;
- Mitsubishi Fuso Canter 6 in 1993 – 2002;
- Mitsubishi Fuso Canter 7 since 2002 (export).





