john deere 720

HELLO HELP! Running my 57 720D down the road and stops running right. Found that the cotter pin in the decompression control rod was missing and therefore I was running without compression for a while. Fixed the control rod. But now tractor won't start - well it sort of starts, but wont run...

I have a 720 with a starting engine I'm getting coolant in the diesel engine crankcase Wondering how to find out if it's coming from the pony eng. or the diesel.How do I know if the waterpump on the pony is leaking internally?

I have a john deere 720 diesel with pony start that I am restoring. I have oil in my antifreeze. I am sure it is from the diesel motor, not the pony motor. any advise?

My Uncle is looking at a John Deere 720 that has no 3 point hitch arms, all that is there is the rockershaft, Does anyone know where we could get all the parts to install the 3 point hitch on this tractor? Any help would greatly be appreciated.

I have John Deere 720 that blows smoke out of the oil cap on the side of the tractor and there seems to be alot of pressure there. I tried a to put a breather on it but it didn't seem to help. Is there any ideas that I could use and try to fix it.

Looking for some advice on a John Deere 720 Mower/Conditioner. I believe that it is about 1995 unit with a sickle bar cutter. What show I look for and what are the pluses and minuses? Thanks..