Where is the date code located on model numbers CMCMW270Z1 and CMCMW260P1 mowers? Wilson October 03, 2020 20:01 The date code is located in the battery compartment. You may have to remove the battery to see it. Related articles Is there a certification of calibration available for the model number CMMT99433? What are the dimensions on the model number CMMT12035 when open? How can I troubleshoot range issues with my garage door opener? Comments 0 comments Please sign in to leave a comment.