A full-floating axle can be identified by a protruding hub to which the axle shaft flange is bolted.
2.
Like a full floating axle system, the drive shafts in a front wheel drive independent suspension system do not support any vehicle weight.
3.
The overall assembly can carry more weight than a semi-floating or non-floating axle assembly, because the hubs have two bearings riding on a fixed spindle.
4.
The common drive axle used on the C3500 HD was the Dana 80, an 85.8-inch-wide full floating axle with an 11-inch ring gear fitted with 19.5 inch x 6.0 tires.