Ngati mukufuna kusuntha pa liwiro lotsika m'malo osagwirizana kapena malo ofewa kwambiri, mutha kusankha chobowola chokhala ndi crawler track undercarriage. Kukhazikika kwa rig kumadalira pamtunda wa njanji. Chifukwa chake, njira yotakata, m'pamenenso njanjiyo imakhala yokhazikika. Koma njanji zomwe zimakhala zazikulu kwambiri zimatha msanga ndipo zimawononga pansi zikamayenda, makamaka zikatembenuka. Makina obowola omwe amatsatiridwa amayenda pafupifupi 4 km / h, ndikupangitsa kuti ikhale yoyenera kugwira ntchito zomwe zimafuna kuyendetsa pang'ono.