Oh yeah, If it's a 22000lb. gvw, it's going to be either a ACR622 (136"in. WB), or ACR623(160"in. WB), depending on the wheelbase. The 700 series trucks had gvws from 27500-30000lbs.
Spanky Hardy Collector Of Fine Old G.M. COE Trucks & Antique Holmes Wreckers