But, much the same way that some automobile sport enthusiasts argue that overly sensitive power steering (albeit assisted) on cars ruins driveablility by taking away 'road feel' (feedback to the operator), I find the same thing when using these hydrostatic tractors as opposed to an older MF 135 we also use which has power-assisted steering. As to advantages/disadvantages, I agree that the lower cost factor probably benefits all of us who buy tractors. That is a relief, as it could be catastrophic if a hydraulic pump failure at road speeds resulted in all loss of steering control.
I have had two hydrostatic PS tractors, a New Holland TN65 and a Kubota M8560, and they both also enable use of the steering wheel to impart steering force on the front wheels through the hydraulic cylinder, even when the tractor is not running (but, of course, with drastically increased steering wheel torque required).
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