When was it made??

[railmanmatt]

I have a john Deere lv4100 serial number 4310434 what year is it and where can I find what it is worth

Try tractordata.com. Your tractor should have been manufactured in 2000.

 

[railmanmatt]

I have a john Deere lv4100 serial number 4310434 what year is it and where can I find what it is worth

Are you sure it's a 4? It could be an H. Is your tractor a hydrostatic? If it is, your tractor was built in 2000.