@NYC 428 posted:MTH is going out of business this April/May and Z-4000 parts will no longer be available. So go with the ZW-L
While MTH IS going out of business in April 2021, Mike Wolfe (CEO) has already said parts and service will continue - and according to an e-mail I saw, at least until spring 2022 since they will honor warranties for all their products sold - some of which won't be available until April 2021.