A couple of other details: first, on the threaded end of each axle will be a stamp- either 'D' or 'S'. S- 'sinistro' denotes a LEFT-HAND Thread. Owners have BROKEN original sockets trying to unscrew a nut the wrong way.
And the torques you're dealing with are 'above 300 ft-lbs'. for both thread nuts. They can be considerably higher if someone added Lock-tite to the nut. Don't be worried about stripping threads- SAE says that thread size will hold 1100 ft-lbs in mild steel. Large torque wrenches are occasionally available cheap on E-Bay because they're so bulky. Even though the handles dismount for storage. Air-impact wrenches, whacking the nut notches with a punch and other blacksmith techniques are NOT advised. I bought a 0-600 ft-lb Snap-on torque wrench for less than $100 off E-Bay some years ago. Snap-On still makes that model for $500 retail.
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