myboys2603
These Teac’s transport mechs, have a plastic double gear that strips the smaller one. You should be able to match it with one of these.
https://www.ebay.com.au/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313.TR0.TRC0.H0.Xteac+gear.TRS0&_nkw=teac+gear&_sacat=0
Cheers George