Posted by Mark d. [173.245.54.56] on Wednesday, February 03, 2016 at 19:44:29 :
In Reply to: Grandfathers truck posted by Matt Spearin [108.162.216.30] on Wednesday, February 03, 2016 at 12:55:37 :
W = 4 Wheel Drive / Conventional Cab
1 = 100 Series 1/2 Ton
3 = Conv Cab W/ Utiline, Low Line Wagon (Custom Sportsman)
B = 6,001#lb to 10,000#lb GVW
D = 440-1 V8
7 = 1977 7 Series
S = Warren Truck #1
As far as how many came this way is tough to know, the sequence number only tells you when it was built and what the number it was rolling off the line.
There maybe some info from Galen Govier as far how many of this particular optioned trucks were actually built.