Nā runga i ngā whakahaere mō ngā whatu hokohoko e tū nei, ka hangaia ngā rākau whakarukuruku nui hei tiaki i te haumaru me te pono, whakapai ana i ngā momo hanganga matatini hou ki runga i te whakatika pai. Ko ngā taupānga taurite e kī nei ko ngā rākau whakarukuruku hawahe me ngā rākau whakarukuruku kore-pūtake (ABS) rerekē hoki i ngā rākau whakarukuruku ā-motor (ESC). Ko te rākau whakarukuruku a te toa motokā he papa whakarukuruku 24-iraka i roto i te pūmotu semi-metallic, e taea ana te whakaputa i te momo rukuruku 18,000 N·m i raro i tēnā waewae. Ka whakahaere i te rukuruku a te waka ki runga i te tatau whakarukuruku, e whakamana ana i te rukuruku tahi tonu i waenganui i te toa motokā me te waka hei whakawehe i te takiriwhenua. Mō ngā tūtohu nui (te mana o te porowhita > 60 tona), kei te wāhi kē ngā rākau rukuruku ā-pūmotu (e taea ana te whakaputa i te momo rukuruku 2,500 N·m) me ngā rākau whakarere pairopi hei whakaiti i te rukuruku i waenganui i ngā ara makariri. Kua tohua katoa ngā rākau whakarukuruku ki ngā ture ECE R13/09, ka whakahaere i ngā whakamātau dinomo hei whakamana i te mahi pai i waenganui i ngā paepae wea (-40°C ki +80°C). Ka whakaiti i te wa kore i te mahi, me ngā pūmotu kore-tirohanga hawahe, ka noho ngā pūmotu rukuruku hei 200,000 km i raro i te mahi tika. Tūtono atu ki ake tātou take whakarukuruku hei whakaatu i ngā tūtohu mahi pai, ā, i ngā tawāhi whakahoki i waenganui i ngā kaiarahi me ngā mana, ā, i ngā tuhinga tika mō ngā ture whakawā moana.