Ford M5OD/M5R1 Transmission 2wd Mainshaft 1987-00 M5R1-2A Ranger, Bronco ll, Explorer 4x4 5 speed manual transmission. This shaft is only for the 2wd 21 5/8" OAL if you have a 4wd please see our other listing. You can identify this transmission by tags on the side "E87A, E97A, FO7A, F17A" This transmission has an aluminum case and aluminum top cover. Note this transmission is called the M5R1 or M5OD. If you need anything else for your M5R1 Rebuild, Input, Cluster, Rebuild Kit, Etc. Please see our store!