Kubota BX FAIL, 12mm pin, Diff-Lock Modification

This 40 minute video details the process of modifying the BX (and some B) differential locks, by increasing the locking pins size from stock 10mm to a robust 12mm.
The first failure occurred at 1500 hours of use on a BX25, and a second time on stock Kubota parts, at 2540 hours.

00:00 Start
06:31 Drilling oversize holes in the spider gear, using a modified concrete boring drill bit.
09:45 Working on the collar and pins.
13:20 Thrust washer modification.
23:45 Assembled differential pot.
26:00 Examining function of the improved mechanism, in relationship to pedal travel.
28:00 Re-examining the pot damage in relation to pin breakage, and a new 10mm collar.
33:28 Drilling holes in the pot.
35:53 Install the ring gear the correct way.
39:22 The Shift Fork.
41:40 Shift lever o-ring seals.