Flex-a-lite 45951 6-Pass Shrouded Heavy Duty Remote Oil Cooler - 26,000 GVW

The Flex-a-lite shrouded heavy duty remote oil cooler features a custom shroud that maximizes the effect of its powerful electric fan, and can be mounted wherever space permits. It is powerful enough to cool a 30,000 lb. motor-home transmission.
View product details at Amazon