A hydraulic excavator includes a hydraulic fluid tank cover that covers the side face of the body frame. A latching member is provided to the upper part on the rear face side of the hydraulic fluid tank cover in a state of being attached to the body frame. An insertion plate is provided to the lower part on the rear face side of the hydraulic fluid tank cover in a state of being attached to the body frame, and is disposed substantially along the vertical direction. A latched member is provided to the body frame and is latched by the latching member. A receiver is provided to the body frame, and the insertion plate is inserted therein. A fixing component is located more to the inside of the body than the upper end part of the exterior cover in top view in an attached state, and fixes the latching member to the latched member.