How many non CDL drivers have class A drivers licences? In PA, if the combine GVWR (TV plus trailer) is greater then 26,000 lbs, then a class A DL, or class A CDL is required. Example, TV - 12,200 GVWR and trailer - 14,000 GVWR = 26,200. Note, the mfg ratings (titled ratings) are used by the...