Galimoto ya ngolo ya 420 hp Howo ndi galimoto yodabwitsa yomwe imaphatikiza mawonekedwe odalirika, mphamvu zonyamula katundu, mphamvu zabwino kwambiri komanso ntchito zodalirika.Chotsimikizirika pamakampani, mathirakitala a Howo adadziwika chifukwa cha mawonekedwe awo apamwamba komanso kuthekera kwawo.
Chimodzi mwazinthu zodziwika bwino za 420 hp Howo trailer truck ndi injini yake yamphamvu.The ndiyamphamvu chimakwirira 351 kuti 450 ndiyamphamvu, amene mosavuta kupirira zinthu zosiyanasiyana msewu.Kaya mukunyamula katundu mtunda wautali kapena mukuyenda malo ovuta, injini ya 420 hp imatsimikizira kuti muli ndi mphamvu zomwe mungafunikire kuti ntchitoyi ichitike bwino.
Cholinga chachikulu cha thirakitala ya Howo ndikukoka ma semi-trailer osiyanasiyana.Mphamvu zake zamahatchi zimayambira pa 351 mpaka 450, kuonetsetsa kuti zimatha kunyamula katundu wolemera mosavuta.Yokhala ndi 10 kutsogolo ndi 2 reverse transmission, galimotoyi imapereka masinthidwe osasinthika komanso kuwongolera koyenera.Mtundu wa injiniyo ndi WD615.69, yomwe ndi injini yamagetsi yamagetsi yamadzi anayi yokhala ndi ukadaulo wa EFI (Electronic Fuel Injection).Izi zikutsimikizira kudzipereka kwa HOWO popereka injini zapamwamba komanso zogwira mtima.
Kalavani ya 420 hp Howo galimoto ndi galimoto yodalirika komanso yamphamvu yopangidwa kuti ikwaniritse zofuna zapamsewu wautali.Ndi mphamvu zake zapamwamba, magwiridwe antchito odalirika komanso ukadaulo wapamwamba kwambiri, ngolo ya 420 hp Howo galimoto ndi umboni wa kudzipereka kwa Howo popereka zabwino kwambiri pamsika.Kaya mukufunika kukoka katundu kudutsa mtunda kapena kukoka katundu wolemetsa, ngolo ya 420 hp Howo galimotozidzaposa zomwe mukuyembekezera.