Parts of self-locking differential:
A - with a blocking factor of 40%; B - with a blocking factor of 25%; C - until August 1978; D - since August 1978
1 - differential box; 2 - thrust washers; 3 - pressure couplings; 4 - support washers; 5 - fixed disks; 6 - friction discs; 7 - differential box cover; 8 - semi-axial gears; 9 - satellites; 10 — axes of satellites; 11 - differential box assembly; 12 - differential output shaft; 13 - differential bearing caps; 14 - roller tapered bearings.