I was able to break 1 y60 CV joint with 37 inch fedima sirocco tires in 3 years of extreme mudding.
The Y61 cv joint has been cut, to fit into the axle housing
Y61 housing vs Y60 housing, also bigger driveshaft mounts to fit the way bigger/stronger/heavyer drive shafts
Did not break a driveshaft or diff, but managed to break 3 transfer-case's.. The belt started slipping over the gears..