caltric compatible with starter john deere d100 d105 d110 d120 100 series tractor 17.5hp 19hp 21hp caltric compatible with john deere models<br>d100 17.5hp<br>d105 17.5hp<br>d110 19.5hp<br>d120 21hp<br>specs: 12 volt / ccw / 14 teeth drive