Never installed, been in storage, some surface rust

New Thomson Micron Planetary Gear Head

Specs:

28:1

Frame size 18

Mounting Config: 1

Setting Distance: A= 5.31 +/- .03

Model: AT018-028-SO, 

Part# 34-511-592-6861

SN: 198756

Output Shaft: 55mm w/key

Input hollow shaft: 35mm with clamp collar

There are (2) M12x50 cap srews missing

Comes with manual, key and mounting bolts

Location:  A5