I tried to paste a link but that didn't work right.

Anyway if you go on Tractorhouse and sort for JD corn heads

Then for the number of rows, enter 8 for the minimum and the maximum

Then lastly enter "Calmer" in the Keywork box and hit Search


KC Nielsen at Harcourt supposedly has a 608c with Calmer rolls coming in.


https://www.tractorhouse.com/listing/for-sale/251096839/john-deere-608c-row-crop-headers-harvesters