tractor protection protection valve is under the hood and is for the tractor so if trailer looses air your tractor will not loose air and you can still use brakes on tractor to stop . so title isnt correct . the valve thats tractor protecttion valve in on the firewall under the hood
Good afternoon sir i have been watching your video for over 4 years and i finally got my own authority last year Im from chicago and have been doing 53’ containers for the last 8 years as a owner operator But now i have my own DOT Is theres any way you can help on how to get loads of the rail yards we don’t have ports Thank you sir
