DON'T use Bobcat to get carb rebuild kit...Ask for a carb kit for Wisconsin VH4D motor at your local parts store!!! Wisconsin VH4D is still being used on many applications in today's world.
Wisconsin uses several Zenith carbs, L57, L77 series(Zenith Model 87A8)
Carb. kit LQ 37
If you need more info I'll email you VH4D parts Manual, and Service Manual