Ua hoʻololi ʻia ke kaʻa mai ke chassis uila maʻemaʻe o ke kalaka ʻano II ʻo Chang'an, a ua lako me nā ʻōpala, nā ʻō, ka mīkini hānai, ka ʻōnaehana hydraulic, ka ʻōnaehana uila, a me nā mea ʻē aʻe. Ua pani piha ʻia ke kaʻa holoʻokoʻa, e hoʻohana ana i ka ʻenehana o ka hoʻohui uila-hydraulic, me ke kōkua o ka ʻōnaehana hoʻokele mechanical, uila a me ka hydraulic, ua pani piha ʻia ke kaʻa, kahi e hoʻoponopono ai i ka pilikia o ka haumia lua i ke kaʻina hana o ka lawe ʻana i nā ʻōpala.
(1) Hoʻohana ka kaʻa mālama alanui uila maʻemaʻe i ka chassis uila ʻano II maʻemaʻe o ke kaʻa Chang'an, a ua lako pū me kahi ʻōnaehana mīkini holoi, kahi pahu wai hoʻohui (me kahi pahu wai maʻemaʻe, kahi pahu mea hana, kahi pahu mana), a me kahi ʻōnaehana pīpī mua, nā ʻōnaehana injection ʻaoʻao a me nā ʻōnaehana uila, ka wai kiʻekiʻe a me ka reel a me nā mea hana ʻē aʻe.
(2) He nani ke ʻano o ke kaʻa, ʻoluʻolu i ka hoʻokele ʻana, maʻalahi i ka hana, maʻalahi i ka hoʻokele ʻana, kūpono i ka mālama ʻana, haʻahaʻa i ka walaʻau a kiʻekiʻe i ka hilinaʻi, hiki ke hoʻohana nui ʻia ma nā alanui alanui kūlanakauhale, nā alanui ʻaʻohe motika a me nā hoʻomaʻemaʻe paʻakikī a me ka lepo a me ka hoʻomaʻemaʻe ʻana i ka ʻili alanui.