Might not be the same one you looked at in the beginning. The one you looked at first got sold out from under you for more $. They got you another one and forgot about the hours. 🤔
To the OP... Fwiw, I use a 6' king kutter finish mower behind my cc/yanmar ex3200. Right at 14 yrs now mowing 4 acres. A lot of rough and bumpy spots, hills and slow going spots, ( especially a 20' cliff overlooking the lake). Takes me 2 1/2 hrs. When you get to know how to use your mower you...
I'm still sticking with my Chinese steel theory. It's inferior metal. I feel bad for the OP. Massey has always been a proud name for tractors. It's too bad we have to cut corners to make a profit.