Scampin!!!!!!

Get a big floor jack and load the diff onto the saddle. Use some cargo straps or ratcheting straps to keep it on.Then you can roll the diff up behind the car.When you get close simply angle the diff so it's 45 deg to the side.Then slide it up to the leaf. Now you can drag/lift it over the leaf that is closest.work it through into the wheel well further than neccessary as you can now move your floor jack to the other brake drum and jack it up high enough to slide it into its place Heres where another small bottle jack etc may come in handy. Some nice big pry bars,impact gun or ratchets wrenches,lube gun for u joints,line wrenches for brake lines.

I also found that some old chunks of carpet or carpet samples finagled from your local carpet store good for laying on or padding stuff you dont want scratched.