DESCRIPTION N·m Ft. Lbs. In. Lbs.
1500 Series
Lug Nut 9/16 X 18 with
60° Cone
LD
129 95 —
2500 Series
Lug Nut 9/16 X 18 with
60° Cone
HD SRW
197 145 —
3500 Series
Lug Nut 9/16 X 18 with
Flat Washer
HD DRW
210 155
This is straight from the service book. So if you have a 3500 dually with the flat washer lug nut it's 155ft/lbs. The first spec is listed in N. m.