SF Muni 1984 Flyer D901 #4574 at Muni Heritage Weekend 2017

This must be the loudest bus I have been on. This bus was also a replacement for the original 4574. Thanks for watching! Recorded on Sep 9-10, 2017 Model: 1984 Flyer D901 Engine: Detroit Diesel 6V92TA Transmission: Allison HT-747 For more action from Muni Heritage Weekends, click here:    • Muni Heritage Weekends