Crankshaft Mack E7

He kumu hoʻohālike maʻamau ka mīkini kaʻa kaʻa ʻAmelika ʻo Mack E7 i ka makahiki 1989 e pani i ka E6 kahiko (ENDT 676). ʻO ia kekahi o nā kumu mana nui no nā kaʻa kaumaha a me nā kaʻa hana ma ʻAmelika ʻĀkau mai ka makahiki 1990 a hiki i ke kenekulia 21st. I kēia manawa, ʻike ʻia kāna māhele mākeke ma ʻAmelika ʻAmelika, Australia, ʻāpana o ʻEulopa, ka Middle East, a me ʻApelika.

ʻO kēia crankshaft kekahi o kā mākou huahana nui, a mākou e hana pinepine ai a moku. E ʻoluʻolu e hoʻokaʻaʻike mai iā mākou i kēlā me kēia manawa; hiki iā mākou ke hōʻike iā ʻoe a puni kā mākou hale hana.