Here are the 4 components of the water, oil and transmission fluid pre heat system. First is the circulating water heater that warms the water in the block and radiator to 125 degrees in 20 minutes. There is also a block water heater that I don't have a picture of that heats the block water to 180 degrees in 2 hours.
Below are the heating pads that heats the oil and transmission fluid to 180 degrees in 2 hours.
