Gas Can Vents on eBay

[TomSeller]

You could use a one of the siphon hoses. You stick the hose in the can and shake it. You would have to have the can higher than the fuel tanks on the tractor.

Amazon.com: Super Siphon w/ 6' Siphon Hose 2 Pack: Sports & Outdoors

I am aware of those but looking for something where I can pull my pickup beside the tractors and pump fuel from the bed without spending $500 on the FLO FAST. My 5 gallon jugs I have now are a convenient size/weight.