I have a "BD Diesel Performance 1061500 Deep Sump Transmission Pan" available at Amazon.
http://www.amazon.com/gp/product/B00...6W0Y37E0AZ9176
I also run Royal Purple Max ATF Automatic Transmission Fluid (Synthetic) also available at Amazon
http://www.amazon.com/Royal-Purple-A...7025999&sr=1-1 or Advance Auto Parts.
Never had overheating problem since I make sure the torque converter locks when pulling big hills.