I recently sold my Model 200 Logan Lathe (for $1,500 to a friend, open market would have let it go for $2k), so depending on the model number Flat belts. Based on the picture thats what I guessing it is. Rubber Bushings need to re-done (I used hockey pucks to make mine about 25 years ago, easy fix, I turned then with the failled bushings in place easy as pie).
Model number table
This lathe has from what I can see all the accessories. As to the gear box, it is a swap system of changing gears to get different thread pitches and feeds (one pic shows the cover open and the brass gear change plate appears to be there). What it is missing is the tray, cast legs and cast motor support, not a deal breaker as it appears to mounted to a wooden base (I would ask though).
Loved the lathe, so why did I get rid of it, spindle bore was 7/8 and I needed at least 1-3/8 for some of the work I do. The time savings not having to do work arounds was enough to justify the change.
The friend that bought it is more than pleased, his change on the machine is make new dials for it to all for a bigger numbers for older eyes. He has also said he found an article that suggest a car serpentine belt is a good permanent flat belt replacement.
As to spindle speeds up to 12 speeds.
If you are looking for savings and it runs ok $1-2k is about the range they go for.
BTW my friend replaced his new (less than 1yr old) cheap chinese mini lathe (smaller) with this one that had a larger spindle though smaller bed and swing.