Is the model number CMZDCG440 compatible with the older Craftsman garage door openers? Wilson October 03, 2020 20:00 Yes, the key pad will work with the older openers from 1993- present. Related articles Are there any dividers available for models CMST40739, CMST40730, or CMST40709? What size is the belt on the model # CMXGCAQ108493? Will the model number CMXZDCG480 work with the older Craftsman garage door openers? Comments 0 comments Please sign in to leave a comment.