Tachometer Gauge Fits John Deere 4020 4000 4010 4320 3010 4520One New Aftermarket Replacement Tachometer (WHITE NEEDLE VERSION) Fits John Deere Tractor Models: 3010, 4000, 4010, 4021, 4320, 4520, 4620, 5010, 5020, 6030, and 700 Industrial. NOTE: All with Syncor Range Transmissions. *** PLEASE NOTE! THIS TACHOMETER COMES IN 2 NEEDLE COLOR STYLES. PLEASE LOOK CLOSELY AT THE PICTURES, AS THIS LISTING IS FOR THE WHITE NEEDLE VERSION. THE RED NEEDLE VERSION WAS USED UP UNTIL MODEL YEAR 1968. THE WHITE NEEDLE VERSION