Christy Webber & Co. Landscapes, a Chicago-based site work and landscaping contractor, filed an antitrust lawsuit May 14 against Deere & Co., singling out the equipment manufacturer's construction and forestry division over what Webber alleges is Deere's refusal to allow the contractor's mechanics the right to repair its Deere skid steers, excavators and other construction equipment without involving Deere or its dealer network. The lawsuit, filed in federal court in the Northern District of Illinois, is a class action; Webber said in the filing that it was doing so "on behalf of itself and others so situated" who it invited to join the litigation.  Deere's agriculture division  settled a similar right-to-repair class action filed by its farmer customers concerning rights to repair its agricultural equipment about a month ago for $99 million.  The right-to-repair issue, in which owners of equipment and electronics assert the right to make their own repairs without going back to the…