Auxiliary gas tank
I have a Chevy 2500 gasser with a 26-gal tank and get about 7 mpg towing my 35' 5er. As you can imagine, having to refuel every 150 miles is quite tedious, especially because I don't have a lot of exp...
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When I first started pulling trailers with a diesel pickup there were not many stations other than truck stops with diesel pumps. I was concerned with fuel management on the highway so I decided to have two 6 gallon containers with me full of diesel. I pulled with that truck 190,000 miles and never used the spare containers because of need. I would use them at the end of each trip and not refill until ready for the next trip. Always keeping fresh fuel in them. Great piece of mind and if I ever needed it. Small length of chain with a padlock secured them in the front corner of the pickup.
