The low speed synchronizer mounts on the countershaft. The low speed synchronizer will engage either with the countershaft 1st gear or with the countershaft 2nd gear. The high speed synchronizer mounts on the input shaft. The high speed synchronizer will engage either with the input shaft 3rd gear or with the input shaft 4th gear. The 5th speed synchronizer mounts on the input shaft. The 5th speed synchronizer engages with the input shaft 5th gear. The countershaft meshes with and turns the ring gear of the differential assembly that supplies power to the drive axles.