Here is a generic description of a 17-position VIN.
Position 1-3 = World Manufacturer I.D.
Position 1 = country in which it was assembled: 1 = USA, 2 = Canada, 3 = Mexico , 4 thru Z = several others in Europe, Australia and the Far East.
Positions 2 & 3 = Manufacturer. FT = Ford Truck
Positions 4-8 = body style, model, engine
Position 9 = check sum. Ignore it.
Position 10 = Model year
Position 11 = assembly plant
Positions 12-17 = serial number
Grumpy ole man with over 50 years towing experience. Now my heaviest trailer is a 7,000-pound enclosed cargo trailer, RV is a 5,600 pound Skyline Nomad Joey 196S, and my tow vehicle is a 2012 F-150 EcoBoost SuperCrew.