APV GPSa Sensor + Linkage Sensor Top LinkÂ
 PRICE DOES NOT INCLUDE SETUP OR SHIPPING – PRICED FOB FACTORYÂ
The GPSa Sensor + Tractor Linkage Upper Bar Sensor Transmits info to your controller. The seeding shafts start & stop automatically when you stop / start moving. Also, the seeding rate will change as you slow down / speed up.