Incredibly robust, simple and easily maintained. Dirt cheap parts at any farm equipment outlet (especially if you're Canadian. Our governemnt subsidizes farm equipment).
We had 20,000hrs on our HT version when we rebuilt her.
She didn't need rebuilding, I just had nothing to do that winter.
I've run just about all of them and this is my all time favourite.
If you can live with the consequences, go for it - wg
Y'am what y'am an' thats' all that y'am - Popeye
I had an allergic reality - Jillie the Bean