Different parts of the country have differnet names for things, So I have to ask, what is a grany crane? I assume you mean a gantry crane or a A frame hoist type of lifting device.
However you do it, take you time and think out your plan of action.
Pictures of the event would be a great insperation for the rest of us.

2-Ton

1967 GMC 9500 Fire Ladder Truck
"The Flag Pole"
In the Stovebolt Gallery
1946 2-Ton grain truck
1946 3/4-ton pickup,
1953 1-ton pickup
1957 1-ton flatbed dually,
1954 Pontiac Straight Eight
Of all the things I've lost in my life, I miss my mind the most!