AGCO MASSEY Ferguson 3810990m12 Beacon Kit BOULE Sirena Challenger 12V Full kit. Beacon Kit – BOULE MASSEY Ferguson Sirena 3810990m12 Challenger 12V Full kit. 4200 Series 4215, 4220, 4225, 4235, 4240, 4245, 4255, 4260, 4265, 4270 4300 Series 4315, 4320, 4325, 4335, 4345, 4355, 4360, 4365, 4370. ISO 4148, standard form A. Any Problems with the products. Please kindly message us before leaving feedback if you got any problems. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt.