Cheers for that, much appreciated.
I don't cut big stuff like that very often at all. Generally most of what I bring home is heavy prunings up to around 4" and it cuts those easily. In the long run it will be fitted to something bigger anyway. I may even upgrade my little compact at some point, it's about as small as you can get with a linkage fitted and I got it to run a 42" belly mower rather than to do this.
Having said that it's a good little tractor. Selectable 2/4wd, rear diff lock, fiddle brakes... It does a hell of a lot for it's size!