Husqvarna Viking 2000, on the off chance anyone knows the specs of the drive belt
According to sewingpartsonline.com (not an endorsement) the Husqvarna Viking cog belt (short 9 1/2") part number is 4111940-01:


  Guaranteed to fit Husqvarna Viking Sewing Machine Models:
   #1+, 100, 1020, 1030, 1040, 105, 1060, 120, 1200, 1250, 150, 180, 185, 190, 2000, 2020, 3230, 3240, 4020, 4030, 5220, 5230, 5430, 6010, 6030, 610, 6170, 620, 6230, 6240, 6260, 6270, 630, 6360, 6370, 6430, 6440, 6460, 6470, 6570, 6690, 90, 95, Classica 100, Orchidea




This is my best guess based on my best effort at searching. Please verify your belt matches this description.