Yep Oliver whine - normal. $850 sounds like a steal for a super 77 to me.
Late 880's or 1600's and all the higher number 4 digit above 1600 and later will not have that whine as Oliver went to helical gears on those instead of spur gears.
1555, 1550, early 880's and all numbers lower than 880 will have the spur gear whine. I personally do not find the whine sound pleasant. Do not care for the whine on a modern hydro tractor or skid steer either for that matter.
This post was edited by rankrank1 at 10:37:40 01/10/15 2 times.
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