U7142 - Integrator/Diff Axle - CAT XLS

The axle for original and re-release Schumacher 4wd diffs and integrator from CAT SWB up to Procat and 2wd diffs from Top Cat to Cougar 2 Sport and Club 10.

Also correct for the original MMS diffs and our MMS inspired Muzzoom diff conversions.