I just picked up an X728. I'm building a cab for it and want to put a heater in it by tapping into the engine coolant. My concern is that the radiator draws its air from the cab area and has the potential of negating the effect of a heater by pulling warm air out of the cab. Has this been an issue for anyone using a heated cab?
I'm thinking of two possible solutions. One would be to fab up a plenum to feed air to the radiator from outside the cab. The other is to install a radiator fan with reverse pitch blades that actually force warm air into the cab. I did this on my old Kubota and it worked great. Problem is finding a fan with the correct diameter, shaft mounting and pitch. Any thoughts?