The M4500 is a strong and durable machine with no weak spots except that relatively few of them were sold in the U.S. so knowledgeable support is a little scarce. It's around 30 years old - so value depends completely on what kind of life it has had. Check for clean oil, no smoking, no knocking in the engine, fully functioning pto, strong 3-point hitch, intact air filters, smooth clutch, quiet transmission, no oil leaks - clean and dry front axle if 4wd. Drive it up and down some grades listening for gear noise or popping out under load (or going downhill) - check it out thoroughly. If a major repair is lurking it may be very spendy. Is it being sold by a long-time owner? If so they can tell you all about it's history - ask how it handles the biggest implement they have for it. And ask the reason why they are selling it. If all the major stuff seems ok then age alone is not a deal breaker and the price may be ok. A new tractor of comparable strength and weight would cost 2 or 3 times as much.bluegoose1989 said: