there is a JD tachometer on E-Bay, Item number 3868905069 although you can usually tell if they are running. Bruce Fallon Freeland WA. 98249 bfallon at whidbey.com -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.7.4 - Release Date: 1/25/2005