Hi Bobby. It looks like
Trillium serial numbers are in sequential order, i.e. nothing to differentiate between different years. Here is a thread from last year that collected
Trillium serial numbers:
http://www.fiberglassrv.com/forums/f...tml#post680425
I've done a little Excel wizardry and put them in sequential order. Obviously not perfect as it relies on owner knowledge, but it would place your trailer in the '79-'81 range.
Code:
Ser Year
45-1100036 ‘76?
45-1100104 ‘77
45-1100113 ‘77
45-1100163 ‘77
45-1100170 ‘77
45-1100180 ‘76?
45-1100181 ‘77
45-1100182 ‘77
45-1100216 ‘78?
45-1100271 ‘77
45-1100291 ‘77
45-1100306 ‘77
45-1100321 ‘77
45-1100329 ‘79?
45-1100411 ‘77
45-1100427 ‘77
45-1100431 ‘77
45-1100447 ‘77
45-1100462 ‘77
45-1100466 ‘78?
45-1100477 ‘76
45-1100483 ‘78
45-1100512 ‘77
45-1100611 ‘78
45-1100661 ‘78
45-1100704 ‘78
45-1100711 ‘78
45-1100747 ‘78
45-1100758 ‘78
45-1100788 ‘78
45-1100865 ‘78
45-1100881 ‘78
45-1100893 ‘78
45-1100902 ‘78
45-1100914 ‘79
45-1100916 ‘78
45-1100929 ‘78?
45-1100942 ‘78
45-1100951 ‘78
45-1100980 ‘78
45-1100988 ‘78
45-1100994 ‘78
45-1101026 ‘78
45-1101034 ‘79
45-1101043 ‘78
45-1101071 ‘78
45-1101073 ‘78?
45-1101109 ‘78?
45-1101267 ‘79
45-1101273 ‘79
45-1101304 ‘79
45-1101307 ‘79
45-1101427 ‘80
45-1101754 ‘81
45-1111314 ‘79
45-1111316 ‘80
45-1111339 ‘79
45-1111750 ‘81
45-1121172 ‘79
45-1121221 ‘79
45-1121370 ‘79
45-1121592 ‘??
45-1121667 ‘80
45-1121733 ‘81
45-1130029 ‘76?
45-1131567 ‘80