An older John Deere leaf blower backpack. 2-cycle, air cooled 40cc's.
Air speed 180 mph, Air volume 670 cubic ft/per minute.
It's missing the blower pipe, but comes with the operator's manual.
Have not tried to start it. Not willing to invest time or money on it
There is a similar one on Ebay for $90 and a manual for $13
Will not ship. Pickup only.