ARKANSAS B = 6001-20000 lb C = 20001-40000 lb D = 40001-56000 lb E = 56001-60000 lb H = 60001-68000 lb J = 68001-73000 lb K = 73001-80000 lb ST = Semi-Trailer PT = Permanent Trailer   1977 1982 1985   1987 1990 Issue 1991   1991 1992 1993   1993 1993 1993   1994 1994 1994   1995 1995 1995   1996 ERROR THERE IS NO "A" WEIGHT CLASS 1996 1996   1996 1996 1996   1996 1997 1997   1997 1997 1997   1998 1998 1999   2000 2000 2001   2004 2005