TEXAS R00-000 = Truck / Tractor R0A-A00 = Truck / Tractor (2000 series) 10R-10 thru 59R-999 = Trailer 60R-10 thru 75R-999 = 5 Year Trailer   1973 THICK DIES 1973 THIN DIES 1974   1975 1975  TRAILER 1976  TRAILER   1977 1977  TRAILER 1979   1979 1979  TRAILER 1980   1981 1982 1983   1983 1984 1985   1986 1986 1987   1989 1990 1990  TRAILER   1991 1991 1991  TRAILER   1992 1992  TRAILER 1993   1993  TRAILER 1994 1994  TRAILER   1995 1996 1996  TRAILER   1997 1997  TRAILER 1998   1998  TRAILER 1999 1999  TRAILER   2000 2001 2001   2004 2004 TRAILER 5-YEAR 2006   2008 2008