scope:

This part of ISO 3691 gives safety requirements and the means for their verification for the following types of self-propelled industrial trucks (hereafter referred to as trucks), as defined in ISO 5053-1:2020: a) counterbalanced trucks; b) reach trucks with retractable mast or retractable fork arm carriage; c) straddle trucks; d) pallet-stacking trucks; e) high-lift platform trucks; f) trucks with elevating operator position; g) side-loading trucks (one side only); h) lateral-stacking trucks (three sides); i) lateral- and front-stacking trucks; j) pallet trucks; k) multidirectional trucks; l) towing tractors with a drawbar pull up to and including 66 750 N; m) rough-terrain counterbalance trucks; n) counterbalanced container handlers; o) industrial trucks powered by battery, diesel, gasoline, LPG (liquefied petroleum gas), or CNG (compressed natural gas). For trucks with an elevating operator position of more than 1 200 mm and/or trucks designed to travel with an elevated load of more than 1 200 mm, this part of ISO 3691 is intended to be used in conjunction with ISO 3691-3.