1. Heavy siv tshuab yog dav siv hauv mining, kev tsim kho, logistics thiab engineering siv;
2. Lub undercarriage taug qab muaj lub luag haujlwm ntawm nqa thiab taug kev, thiab nws lub peev xwm nqa tau muaj zog, thiab lub zog traction loj
3. Lub undercarriage yog nruab nrog tsawg ceev thiab siab torque lub cev muaj zog mus ncig teb chaws reducer, uas muaj kev ua tau zoo dhau lawm;
4. Cov ncej hauv qab yog nrog cov qauv muaj zog, nruj, siv kev khoov khoov;
5. Cov menyuam taug qab thiab cov idlers pem hauv ntej siv qhov sib sib zog nqus groove pob bearings, uas yog lubricated nrog butter nyob rau hauv ib lub sij hawm thiab tsis muaj txij nkawm thiab refueling thaum siv;
6. Tag nrho cov rollers yog ua los ntawm alloy steel thiab quenched, nrog zoo hnav tsis kam thiab kev pab lub neej ntev.