a construction vehicle includes vehicle frames , an operator cab , a hydraulic oil tank , and engine , and an engine cover . the operator cab is mounted on the vehicle frames . the hydraulic oil tank is disposed to the rear of the operator cab and stores hydraulic oil . the engine is disposed to the rear of the hydraulic oil tank . the engine cover is a member that covers the engine . a rear face of the hydraulic oil tank and a front face of the engine cover are the same size in a widthwise direction . a rear end of an upper face of the hydraulic oil tank is positioned at the same height as a front end of the upper face of the engine cover . the upper face and side faces of the hydraulic oil tank are exposed to outside .