Dominkayayyakin gyara na dogo da motocin dakon kaya, aminci shine mafi mahimmanci. Yanayin aiki na jiragen kasa na dogo yana da tsauri tare da firgita mai ƙarfi da gogayya. Jirgin kasa na dogo da motocin jigilar kaya suna buƙatar manyan kaddarorin inji donsassa na simintin gyaran kafa,sassa masu ƙirƙira daCNC machining sassa, yayin da juriya mai girma kuma muhimmin abu ne yayin aikin. The Cast karfe sassa,jefa baƙin ƙarfe sassakuma ana amfani da sassa na ƙirƙira galibi don sassan masu zuwa a cikin jiragen ƙasa da motocin jigilar kaya:
- Shock Absorber
- Draft Gear Jikin, Wedge da Mazugi.
- Dabarun
- Birki Systems
- Hannu
- Jagora
Anan a cikin waɗannan abubuwan da aka saba amfani da su na jigilar motocin sufurin jirgin ƙasa da jiragen ƙasa ta hanyaryin simintin gyare-gyareda/ko machining daga masana'anta:
