I'm assuming you mean the front axle correct, and your truck is 4x4 right?
If so, you have a Dana 35 front axle, but they came with auto locking hubs. If you have manual hubs, then someone more than likely put those on at a later date
If so, you have a Dana 35 front axle, but they came with auto locking hubs. If you have manual hubs, then someone more than likely put those on at a later date