Combine Harvester

What is the verb for using a Combine Harvester?

Combining? Combine Harvesting? or just Trundling?


Cuz I got a brand new combine harvester
An' I'll give you the key
Come on now let's get together
In perfect harmony
I got twenty acres
An' you got forty-three
Now I got a brand new combine harvester
An' I'll give you the key

The Wurzels, 1976