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 2015, a Trek owner surveyed other Trek owners across the country to see what variations of Treks were still out there. Thank you for the information Brad. Here are his findings in PDF 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: