US Patent 11975600 Electric truck

An electric truck that travels by electric power supplied from a battery includes a ladder frame including a pair of side rails, where the side rails face each other in a vehicle width direction, and a power supply unit including the battery, where the power supply unit is disposed between the side rails and is connected to the side rails. The side rails each have flanges having a predetermined width provided at each edge of a respective web. At least one of the flanges at a location facing a corner of the power supply unit as viewed in the vehicle width direction has a narrowed flange portion having a width smaller than the predetermined width.