2019 Western Star 4900 SB tractor with Detroit DD16 530hp Engine – Walk Aroundhttps://www.youtube.com/watch?v=Fapz9cFY0Sghttps://www.youtube.com/v/Fapz9cFY0Sg?version=32019 Western Star 4900 SB tractor with Detroit DD16 530hp Engine – Walkaround – 2019 Expocam