Sisis make a mole with a reared angled leg for putting drainage in amenity grassland with out heaving. Does a very good job. Add in an expanded on the bottom of yours and you’ll have a great machine to getting the water away with out needing huge HP.
Complete redesign sounds like the plan. Did one on my deutz a couple of months ago. Cast piece broke. Cost less to make a pillar mount exhaust than it did to replace just the cast piece off the manifold. Silly really.
Orsi are good.
Cabe if you’re smashing scrub upto 4” no bother.
Maschio are decent for general purpose.
Don’t bother with bomford, McConnell or spearhead. Absolute pants.
Vigolo from Italy are great. Use to be supplied by Vogel-Noot.
It’s the shear quantity of material they have to mine to get a small amount. Much more destructive than diamond, copper etc. Then there is the ponds where it has to sit and the water evaporate from it. Most of the places it is mined water is scares at the best of time. I make battery machinery...