Bobcat

Picking my new Bad Boy up next week and getting my Featherlite 18 1/2 foot trailer back in shape after a year of no use . The new Side by Side is 600 lbs heavier than the Mule 610 XC I towed before . I have to get it up the mountain to my place which is about 1 1/4 miles and several of the grades approach 25 + degrees ( private road ) .... and summer has hit here already with temps in the mid 90`s . I know I need a bigger transmission cooler and am curious what you guys are using . The F150 has the factory tow package ... and 166,000 miles on it now . Somewhere here , I remember seeing a reference to 220 degrees being the max ..... where do I pick that up ? From the ECM ?
Any other suggestions to keeping the tranny temps down ?

Thanks

tundrajewel

the transmission temp is on the gauge display.

Are you sure its 25+ degrees?? thats a 50% grade. i doubt you could pull an 18 foot trailer up a 50% grade.