In addition to what Ronr said.. you need to identify if the 2000 is an old or new model. Old models 2000's are just an update off the 601 series, and still have the 4 cyly 134ci engine. New 2000 had the 3 cyl engine, gas or diesel.
There will be different trans options depending on the specific model... Same with the 801...
801
8 = 172ci gas engine ( unless diesel )
01 = 1958-1962
801 is the series.. you really need the -MODEL- number to determine value. lower model numbers had some economy features like no hyds or no pto.. (821.. etc.. ) 841 is a 4 spd, single stage clutch, 851 & 861 are a 5spd tranny, and 861 has a 2 stage clutch... 851 coul dbe converted to 861 by adding about 13 parts to the tranny/clutch area ). In mid production, the SOS tranny came out.. it was a 10speed powershift.. there were 2 pto options.. so that covers the 871 / 881.
Power steering will also increase price on each unit.
Ironically.. the SOS tranny may devalue the tractor by as much as 25-50%. If it is in good working order.. and all speeds work.. you are LUCKY.. early units were a nightmare, and earned them a bad name.. even though later units were more or less solid.. if maintained and kept clean.. etc.
The 801 will have its 3 digit model number stamped on the bellhousing right side.. plus a sn. I can date it to the year, and guess at the month for you with the sn and model number.
The 2000 will have unit code, production code, and a sn on t's bellhousing. I can date it to the time of day it was built ( morning, day, night shift ) and tell you chassie, tranny and axle options with those codes.
If the units are gas, take a points file with you, or a piece of 800 or 1000 sand paper, and a piece of brown paper grocery sack.. pull the sand paper thru the points once on each contact, then pull the sack back and forth while gently holding the poitns closed.
If the oil looks good.. do as ronr said.. the oil in the cyls gives pre-lube and raises the compression slightly.
If the carb float needle is stuck ( common ) take start fluid with you.. if she hits on start fluid.. but not the carb.. it will need a carb cleaning.
Keep in mind that 6v systems were positive ground.. and diesels were 12v negative ground. Most likely the thousand series is 12v.. but do count the cells on the battery.
There will need to be battery power to fire the points ignition system. If it is a 6v system.. put it on charge... at least enough so that yuo can turnt he key on and get power to the points, and then use a 12v truck battery and jump directly to the starter ( out of gear and clutch blocked down ).
If no 6v charger, disconnect charge wire from vr, and remove 6v battery and drop in your truck 12v battery and check it out. The points and coil will last for short periods of time on 12v while you check her out.
Old fords are my passion.
post or email back for more info.
Soundguy