Quote:
Originally Posted by mr48chev
Saving the photo and expanding it it looks like you push the lever down to hold the brake pedal, Probably pretty handy in the Geogia hill county if you don't have 14WWWW boots to work two pedals at one time.
The guys from Seattle and San Francisco will say that they could have used one there too but a line lock will do the same thing.
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I think you are right.
the column says the truck is a hydramatic, which didnt have a parking pawl and didnt have a hill holding function like later hydramatics and modern transmissions. to enter "park" you have to shut the engine off in gear, usually reverse, and even that wouldnt hold on a steep hill because it used engine compression (a hydramatic can be pull started!)
so its a hill hold/park brake, probably easier to use in traffic than the real parking brake especially if it has some kind of linkage to release it automatically, which it looks like it does.