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Some offroaders are experimenting with hydraulics.
Mostly for articulation since the motors are on the spindles and theres no drive, just hoses to the motor.
I think(barely) high speed/freeway speed might overheat hydraulic motors made of current materials and ceramics are too pricey.
And
Heat/speed might/probably creates cavitation in the fluid.
Some company has a hydraulic vehicle that somehow runs on mostly water as the hyd system. I can't see it.
(Except as cutting brakes I've never used the brakes on my 20series Deere as brakes. The fluid drive does it all.
I recently sold my little deere 140 h3's. Tiny little things with real hydraulics front and rear, a real pto and a center pto and a class zero hydraulic three point system with down force. Except for using the loader they didn't weigh enough to do anything. Blade wouldn't push, plow wouldn't, Gannon couldn't. Even with chains and weights they just spun out.)
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