Posted by Greg Coffin [172.68.34.67] on Saturday, October 19, 2024 at 23:42:24 :
In Reply to: Re: RADLAB fire truck for sale eBay posted by Torvald [108.162.246.102] on Saturday, October 19, 2024 at 15:54:12 :
My guess is it's a water to water heat exchanger to cool the engine with water from the pump during heavy pumping. The are common on fire engines.