The GVW is stamped on the 2nd line of the Warranty Plate, which is located on the left door face below the latch.

The front/rear GVW's are listed on the white Safety Standards Certification Label, glued onto the B piller (striker plate door post).

The MODEL code is listed on the 2nd line of the Warranty Plate, when decoded, the GVW is known.

There are 7 possible MODEL codes for 1979 F350 2WD Cab & Chassis (as listed in the truck parts catalog), ranging from 8,600 to 10,000 lbs. GVW.

There is 1 MODEL code for a 1979 F350 Cab & Chassis w/4WD: F380 = 8,550 lbs. GVW.