Welcome to Oshkosh

[Coyote Chris]

This Bavarian tractor has a noise generator that is LOUD and sounds like a jet engine
OX 5 v8. It's a push/pull rod

Interesting, but it didn't seem to catch on.
Hard to tell for sure, but they all seem to be in the same position. A multi cylindrical thumper?

. V8. One push pull rod

One pushrod, 2 valves. Brilliant.View attachment 24055

Per cylinder

 

[Coyote Chris]