i understand what you're saying and agree, although i do have some ... yes, buts...
when i bought the farm, i bought a package from the dealer. all the implements were bought for the 3510 and set up for it. i bought the bush hog (5' i think) its the same width as the tractor wheels, a 6' finish mower, grader blade, front end loader, and post hole auger. i'm assuming they are the correct sized mowers... i'm an appliance user, i don't know a whole lot about their mechanics, just how to hitch'm up and use them.
this bush hog is the same size, but newer, as the one that came with the farm and the 1950-something massey/ferguson TO35. i used it a couple of years on the same fields with no heating problems and i would think the mahindra is a huskier machine.
i'm thinking maybe of asking the dealer about a radiator of the same size with wider cooling vents so maybe stuff won't clog up so badly.
today was a cooler day, only in the mid 80's and i was doing a lot of trimming around trees and fences, doing a lot of backing up and stopping and starting... this usually really heats it up, but with the sheet metal off the sides and the lower temps, it stayed about the half way mark all day. much less stressful for me.