Axle Doctor in Northern ALTruck Axle Repair / By Atlas Axle Surgeons of Northern Alabama is the only axle doctor you will need for your axle repairs. They are the axle surgeon that is the mobile axle spindle replacement specialist. Axle Surgeons has an exclusive patented replacement process for fixing axles and spindles on vehicles 3/4-ton and up. They are the exclusive Axle Surgeon serving Northern Alabama. The counties they serve are shown on their Service Area page.