Can anyone tell me the size of the freeze plug for the John Deere 430? The parts manual list two; M 1206 T and A 3910 R I need the size for the larger one, M 1206 T Thanks Don Shehi Camp Verde, Arizona -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.322 / Virus Database: 266.11.15 - Release Date: 5/22/2005