The ramp (10' scaffold boards) and wench/come-a-long idea is the
best. I've often handled heavy awkward loads as that by myself. Lay
the saw on its top onto a larger size piece of ply. Use 2 at a time
of three 3/4" pipes (PVC will work) under the ply for rollers.
Wenching it up the ramp will be a snap. Remove it from the truck in
reverse loading order.

Sonny