The following is interesting and/or useful information about your Trek. Many thanks to those who have allowed me to use the information they have gathered.
Here is a link to the Trek Tracks forum trekdocs.com page.
In 2013, a Trek owner surveyed other Trek owners across the country to see what variations of Treks were still out there. Here are his findings in Excel format:
May 2003 review of Treks by Lazelle D. Jones found on the FMCA.com website:
A Trek member created a Wikipedia page for new Trek owners (the information is interesting for everyone):
Trek advertisements found in the January 1992 issue of Safari Motorhome: