#A1000. Allison Deep Transmission pan. This deep aluminum pan has an overall height of 5 1/2 inches and holds 10 1/2 quarts total capacity. This heavy duty pan comes with new pan bolts and a flush fit drain plug for easy access during servicing. This Allison deep transmission pan aids in cooling the transmission by increasing the surface area of fluid. The larger surface area helps dissipate heat at a much higher rate. These pans are absolutely the best in the business, Powder coated black to ensure long life and resist corrosion. This pan must be used with our extra deep sump Allison filter.