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:

a) industrial 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 up to 1 200 mm;
g) side-loading trucks (one side only);
h) lateral-stacking trucks (both sides), and lateral- and front-stacking trucks;
i) pallet trucks;
j) bidirectional and multidirectional trucks;
k) tractors with a drawbar pull up to and including 20 000 N;
l) rough-terrain counterbalanced trucks;
m) industrial trucks powered by battery, diesel, gasoline or LPG (liquefied petroleum gas).

Incorporates the following:
BS EN ISO 3691-1:2015