Horses for Courses

Early hydraulics was water power as in turning the mill wheel.

Many centuries passed and much evolution before the simple concept of tipping gear on lorries became commonplace, starting from WWII

Nothing stands still, the future direction is pneumatic tankers which uses compressed air to discharge loads of grain, pellets or powders.

The advantage of tankers is safety on uneven surfaces and possibly bio-security The disadvantage is noise, dust and cost.

As with everything in life it’s horses for courses