INDIANA LA-LZ = Truck/Tractor L = Trailer WR = Wrecker Z = Trailer - 4 yr reg. P = Semi Trailer   1988 1989 1989 SAMPLE   1989 TRAILER 1990 1990 TRAILER   1991 1992 1994 4-YEAR TRAILER   1994 TRAILER 1995 1995   1995 TRAILER 1995 WRECKER 1996   c.1996 SEMI-TRAILER 1997 1998   1998 1999 1999   1999 4-YEAR TRAILER c.1999 SEMI-TRAILER 1999 Base   2000 2000 NO EXP TRAILER sticker c.2002 SEMI-TRAILER   2004 2005 2009 4-YEAR TRAILER