This document together with EN 474 1:2022 deals with all significant hazards, hazardous situations and events relevant to tractor-dozers when used as intended and under the conditions of misuse which are reasonably foreseeable by the manufacturer (see Annex A) associated with the whole lifetime of the machine as described in EN ISO 12100:2010, 5.4. The following significant and relevant hazards are not covered in this document: – Laser; – Lightning. The requirements of this document are complementary to the common requirements formulated in EN 474-1:2022. This document does not repeat the requirements of EN 474-1:2022 but supplements or modifies the requirements for tractor-dozers. This document does not provide requirements for main electrical circuits and drives of machinery when the primary source of energy is an external electrical supply. This document does not provide performance requirements for safety related functions of control system(s). This document does not deal with towing of trailers. This document does not deal with demolition machinery. This part also deals with fork application, log handling application, single heavy object handling application and lifting operation application. This document is not applicable to tractor-dozers which are manufactured before the date of publication of this document by CEN.