The D13A400 is a 12.8-liter, six-cylinder in-line diesel engine with unit injectors, four valves per cylinder, and an overhead camshaft. Designed to transport large loads, it is also appropriate for construction projects. This engine has good driving qualities and uses little fuel.

D13A400 characteristics:
- maximum torque across a large range of rpm.
- savings on fuel.
- EMS stands for Electronic Engine Management.
- Low emissions and compliance with Euro 4
Specifications
| Engine’s type | diesel |
| Displacement | 12800 cc |
| Cylinder bore | 131 mm |
| Piston stroke | 158 mm |
| Number of cylinders | 6 |
| Valves | 24 |
| Configuration | inline |
| Max power output | 400 hp (at 1400-1800 rpm) |
| Max torque output | 2000 Nm (at 1050-1400 rpm) |
| Maximum RPM | 2100 rpm |
| Compression ratio | 18.1:1 |
| Fuel type | diesel |
A power take-off can be installed on the back of the engine because the engine camshaft drive is situated at the back, which lessens vibration. Because the exhaust gases are treated using Selective Catalytic Reduction (SCR) technology, the D13A400 engine has low noise and emissions.
