O lenei ituaiga vili rigs ua mamanuina ma gaosia e tusa ai ma tulaga API.
O nei vili rigs o loʻo i ai faʻamanuiaga nei: fausaga faʻatulagaina talafeagai ma maualuga tuʻufaʻatasia, se avanoa faigaluega laʻititi, ma faʻasalalauga faʻalagolago.
O le taavale toso mamafa o loʻo faʻapipiʻiina i ni paʻu toafa ma axles lapopoa e faʻaleleia ai le feʻaveaʻi ma le faʻatinoga o le kolosi.
O le maualuga o le felauaiga ma le faʻatuatuaina o le faʻatinoga e mafai ona tausia e se faʻapotopotoga atamai ma le faʻaogaina o lua CAT 3408 diesels ma ALLISON hydraulic transmission box.