Fiat tractors manuals to download Fiat 55-90 65-90 operators manual. Fiat 55-90 65-90 and DT models operators manual. 98 pages. A reprint of the original. Can be used for instructions to operate the 80-90 and the 100-90. note tractor specs will not be the same. Workshop Manual FIAT Tractor - Wiring Diagrams Fiat 124 Spider Service Manual 1975-1982 The site tractor-manualsofree supports the authors of the literature presented on the site in their desire to protect their copyright. If you are the copyright holder of a user manual, please contact us by mail and we will remove it from the site and leave a link to your store if there is one.