Umshini wokumba okuqondile we-gookma ovundlile ungowomklamo ohlanganisiwe oxhumekile onobuchwepheshe obuzimele obuyinhloko, uthole amalungelo obunikazi afanele wokuqamba. I-Gookma HDD ifaka amamodeli ahlukene kusuka ku-15T kuya ku-360t, ibanga lokumba elisuka ku-200MM liye ku-2000mm lisuka ku-200mm lisuka ku-200mm liye ku-2000mm, lihlangabezana nalo zonke izinhlobo zamaphrojekthi wokwakha. I-Gookma HDD yonke isebenza nge-Cummins injini nohlelo lwe-rack ne-pinion, yenza umshini wamandla aqinile, ikhwalithi ethembekile, ukusebenza okuzinzile, ukusebenza okuphezulu kanye nomnotho ophakeme.
