Aerial work vehicle

An aerial work vehicle that holds a worker in a basket provided at a front end of a raising/lowering boom and is capable of travelling operations, raising/lowering operations, and slewing operations, the aerial work vehicle comprising:

• a vehicle body frame including a hydraulic unit that supplies hydraulic oil to each operated unit provided in the vehicle and a main counterweight that provides a stabilizing mass that acts against a tipping mass that acts upon the vehicle;
• and
• a raising/lowering unit that is mounted on the vehicle body frame, is supplied with hydraulic oil from the hydraulic unit, and raises and lowers the raising/lowering boom to move the basket supported at the front end of the boom to a desired height,
• wherein the vehicle body frame is provided with a first mounting portion, on which an engine drive unit and an electric drive unit which serve as a power source for the hydraulic unit are interchangeably mounted, and a second mounting portion, on which a counterweight and a battery which provide a balancing mass are interchangeably mounted.