Speaker Kit John Deere 2755 2355 2355 7720 7720 8430 8430 4030 4030 2750 2750 6620 6620 2550 2550 4840 4840 4230 4230 4240 4240 4640 4640 2350 2350 4040 4040 4430 4430 4630 4630 2555 2555 4440 4440 Fits John Deere Tractor(s) 2350, 2355, 2550, 2555, 2750, 2755, 2855, 2855N, 2940, 2950, 2955, 3055, 3155, 3255, 4030, 4040, 4230, 4240, 4430, 4440, 4630, 4640, 4840, 8430, 8440, 8630, 8640 Fits John Deere Combine(s) 6620, 6622, 7720, 8820 Fits John Deere Harvester(s) 5720, 5820, 9910, 9940 Fits John Deere Hay Cutting(s) 2320, 2420 Fits John Deere Sprayer(s) 6000 (Hi Cycle)