You can check on the bottom of the steering column, inside the cab. If it is a possibility that the column may have been changed, it is also on the frame rail, passenger side, along the engine.
On the information plate inside of the driver side door panel.
the average weight of a kenworth tractor/truck is 9tones depending on the size of it.
Probably not.
On a panel inside the driver's door frame.
On a panel inside the driver's door frame.
You can get and owners manual for your 2007 Kenworth semi tractor engine at your local Kenworth dealership. The engine manuals can also be found online.
A Kenworth w900 is actually a semi tractor trailer, and although it is a good tractor, I do not believe that this is something you would want to use for simple US travel. If you are a trucker and are interested, you can view some that are for sale here: http://www.soarr.com/search/trucks/Kenworth/W900/
right hand side of driver door
On a panel inside the driver's door frame.
Kenworth... what? Kenworth manufactures a range of trucks from Class 5 through Class 8... as is, we don't know if you're talking about a T300 box truck, a T800W heavy haul tractor, a W900L line haul tractor, a T800 dump truck, etc. Need to be more specific.
The heater resistor coil is located on the blower motor on the 2006 T300 Kenworth.
Call a Kenworth dealership, give them the last six of the VIN. They should be able to tell you what it was keyed for from the factory - if it was re-keyed at any point, they won't know.