Parking brake can for Oshkosh trucks

[FreightTrain]

Do the Oshkosh trucks use a push or Pull Spring can for the parking brake?Looking for something to put on my dually to pull the parking brake cable when I dump the air(just for cool factor!Gonna use a spring so I don't snap the cable).

 

[acetomatoco]

What duallie has air? ACE

 

[FreightTrain]

A 1994 and 1991 Ford F350 Crew Cab dually......Gotta have something to blow my air horns.......Custom built York 210 bracket and pully setup mounted on my 7.3L IDI.

 

[Jones]

Wedge or "S" cam?

 

[wreckerman893]

To release the brakes you push in the valve.

 

[WillWagner]

Depends...some vehicles you pull to release.