![how to shift twin sticks spicer 6x4 transmissions](/public/image/videos/semi-truck-6UKblOPU-4g.jpg)
how to shift twin sticks spicer 6x4 transmissions
goin for a ride in a 1957 Peterbilt 280 with a 300 ''iron lung'' supercharged cummins with a backdrop manifold at the Brooks truck show 2012.
What a great sounding engine in that truck!