They are intended for carrying or operating tools which may be fitted at the front, between the axles, at the rear or on a platform.
Tá sé beartaithe iad a úsáid le huirlisí a iompar nó a oibriú, uirlisí is féidir a shocrú ar aghaidh an tarracóra, idir na hacastóirí, ar a chúl, nó ar ardán.