1.3.1  VIN breakdown up to about construction year 2000 for World Manufacturer Identifier Code: WKK
WKK 315 0000 10 30 424
1 2 3 4 5 6
1 =   World Manufacturer Identifier Code (WMI)
WKK = – until June 1996 Karl Kässbohrer GmbH at Ulm
    – from July 1996 EvoBus GmbH Ulm for Setra-Buses
2   =   Variant/Version   (see Variant Table)
3   =  Steering
Filler with no meaning
4  =  Assembly Plant
10 = Ulm
5   =   Version     for HD vehicles
6   =   Vehicle end number