A store that sells a tractor cab is Sears. For example under the topics Lawn and Garden and Tractor attachments, listed is a Craftsman brand Tractor Cab.
semi cab
A conventional tractor is what much of the world outside of North America refers to as a "bonneted" or "hooded" tractor. It has a hood which extends out in front of the cab. This is in opposition to a COE (cab-over-engine) tractor, where there is no hood.
Many hardware stores sell tractor snow cabs. One can purchase a tractor snow cab at Lowe's or Sears. The price range is usually around $200.00 US dollars.
300 pounds
yes
in the cab by the brake
You can identify a Massey Ferguson tractor because it has a red cab and bonnet and grey wheels.
day cab is a truck with no sleeper, just a standard cab
is it complete with frame?
Day cab or not, there'll be a primary air tank, and a secondary air tank.
header board is a the board on the front of the trailer, or the board that is on the tractor behind the cab/sleeper. this is made of metal and is to prevent the load on trailer coming thru the cab in the event an accident or other emergency