Gears and shafts of the gearbox — description of the design

1 - retaining ring, 2 - retaining ring, 3 - ball bearing, 4 - input shaft, 5 - needle roller bearing with two rings, 6 - timing ring, 7 - fixing spring, 8 - third/fourth gear synchronizer, 9 - gear of the third gear, 10 - thrust half rings, 10a - retaining ring of thrust half rings, 11 - gear of the second gear, 12 - input shaft with synchronizer, 13 - gear of the first gear, 14 - oil retaining ring, 15 - gear of the fifth gear, 16 - fifth gear synchronizer, 17 - fifth gear synchronizer hub, 18 - speedometer drive, 19 - spacer, 20 - needle rollers, 21 - countershaft gears, 22 - roller bearing, 23 - washer, 24 - fifth gear, 25 - washer, 26 - nut, 27 - intermediate shaft, 28 - intermediate reverse gear, 29 - sleeve, 30 - intermediate shaft.