I know most of you drive combos but would like to know if there is any double clutching on straight trucks as well?
Would they ask you to do this on the CDL B exam possibly?
I'm assuming most of these straight trucks are 6 speeds so I wasnt sure.
All of the class B straight trucks that I have driven (Freightliners, Intl, GMC) have had a 6-spd in them. They didn't require double clutching. I know a guy who runs for an expeditor (Class B) but he has a 9-spd in his freightliner and has to double clutch. So I guess it depends on the truck and tranny.
All dump trucks will have at least a 8 or 9 speed heavy duty truck transmission.
Alot of them have 15 or 18 speeds too.
They may be class B, but alot of dump trucks haul more weight than alot of tractor trailers.
I gross out at about 85 000 lbs with my tri-axle dump truck.
Most of those 6 speed trucks are junk, they shift like crap. i would take a 9 or 10 speed any day over a crappy 6 or 7 speed light duty peice of crap.
I know most of you drive combos but would like to know if there is any double clutching on straight trucks as well?
Would they ask you to do this on the CDL B exam possibly?
I'm assuming most of these straight trucks are 6 speeds so I wasnt sure.
If it's based on a medium duty chassis (Freightliner FL70, International 4000, GMC TopKick, etc), the transmissions are generally syncronized.