Simex PL 5020 self-leveling planer for skid steer loader - road milling application Applications:OBRAS VIALES, SERVICIOS PÚBLICOS Added in Videos on 14/11/2018 Last summer in Ortisei (Italy) the Simex PL 5020 self-levelling planer gave proof of its performance on a milling application in the town's historical center where a tracked planer could not be brought in.