Engines & Engine Parts. Car & Truck Parts & Accessorie. Monitor 4686827 for John Deere 27D 35D 50D 60D Excavator. Application: Compatible with John Deere 50D 60D 27D 35D Excavator. Friendly tips: This product is stable and reliable. The information provided is for reference purposes only. Before purchasing, please confirm the part number and compare it to the old part. Communication is very, very important for us to do business online.