Backhoe identifycation help

[Posmo]

Help!!! We just bought a used backhoe attachment for our john deere 4100 and can't get any answers to what model it is.I've contacted Koyker with no help with the numbers.Tried to contact Kelly manufacturing suggested by Koyker with no response.Can anyone guide us in the right direction so we may accuire an operators manual? ThankYou very much.We think by lots of research that it may be a B600.

 

[nickel plate]

A photo or two would be helpful.:welcome:

 

[Posmo]

A photo or two would be helpful.:welcome:

I'm not to computer savvy you might say.My son will be here tomarrow so he may be able to send a couple of photos I've taken.I'll try again then.Thank You so much for responding.If it may help the serial# is 220727-022709.the plate on the control manifold is V12-1051-B 1995502 Gresen