NBN ISO 8909-3:2021

This document specifies test methods for evaluations of forage harvester function and performance,
covering forage harvesters which cut the crop directly at full width or from spaced-apart plant rows, or
which pick up pre-cut crop.
It applies to forage harvesters with driven knives for chopping and which deliver the chopped crop into
a container or a separate vehicle or trailer. The forage harvesters can be tractor-mounted, trailed or
self-propelled.