Kubota HST Whine - L2501 Hydrostatic Drive Noise  

I bought a new Kubota L2501 HST and have put 80 hours on it. The HST hydro whine is mentioned often online but rarely addressed with video. The L2501 has three 'speeds' Low, medium, and high. The whine is significanly less in lower speeds and at higher RPMs.
I will say from personal experience that after a few hours in the seat, the whine does become overwhelming (with ear protection). I notice it especially when mowing and I mow in a M or H to cover ground. Doing other tasks in L at 2k RPM, it is not as bad.
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