Bit hard to see condition from that one picture would hazard a guess at 5-10k. We have a wheeled version in good condition we think it is worth 10-15k. You might find a collector who would offer you a lot more (y)
I am afraid I could not find a part number on them heres a few pics. I would recomend speaking to Alan at tuckwells Maulden he would be able to find the part number, problem is hes sheltering at moment.
Sorry I was assuming your spreader is isobus and your plugging it into the trackleader basic tractor wiring loom isobus socket. If your wanting to use serial out to the amatron3 box then this is what the manual says for amatron 3 software version 1.09.00 it will provide target rate but not...
Yes it should according to aef database. You will need the unlocks on tracguide though. I know nothing about amazone spreaders whether you need a unlock for the spreader etc. I run my kuhn spreader section control through a tracguide2 works well, easy to use etc. What unlocks you got on screen?