RTP Tractor Ammeter Gauge (30-0-30) with Chrome Ring Fits Ford Tractors 2N 8N 9N Naa / Jubille 501 600 700 800 900 2000 (4Cyl) and 4000 (4Cyl) Fits IH Farmall Cub, Cub LoBoy 154, 184, 185, H, HV, M, MD, MDV, MV, Supers A, AV, C, H, M, MD, Plus Fits John Deere 320 330 40, 420, 430 435, 440 50 520 530 60 620 630 70 720 730 80 A AO AR B D Plus Fits Massey Ferguson TE20 TO20 TO30 1001 135 150 165 175 180 20 202 203 204 205 2135 2200 2500 Plus Fits Massey Harris 101Jr 101Sr 102Jr 102Sr 20 22 30 33 333 44 444 50 55 555 81 82 Colt Mustang Plus