OAR 437-004-3460: Industrial Vehicles

(1) Modifications. The manufacturer or a professional engineer must direct modifications and additions that affect capacity and safe operation of industrial vehicles. Change the capacity, operations, and maintenance instruction plates, tags, or decals to reflect the changes. (2) Nameplates and markings. All nameplates and markings must be in place and legible. (3) Capacity markings. The rated capacity of each power industrial truck must be legible and in plain view of the operator.