Siemens VDO tachograph. Combination 6″ speedometer, tachometer, and clock. Part number 1318-04. This is a complete kit for a new install. It includes transducers, brackets, hardware, and a 19-page instruction sheet. Original application is the M915 and M915A1 14-ton truck built by Crane Carrier Company (CCC) and AM General. Cummins engine/Caterpillar transmission. Reads up to 80 mph and 3300 rpm. AM General part number 6500627. NSN 6680-01-540-3074. US Army Tank and Automotive Command p/n 57K6126. Really cool instrument, would be neat in a diesel ratrod, restomod, or custom. 12 volt. Original invoice on these is $2405.01 each. Get a deal on it here. L2A10+T1R