This video showed up in my YouTube feed. I can see a variation of this working to fill the differential or transmission while under the car.

 

Clever, just have to be careful with not over pressurizing the container.  The new fold-able cartons are my new favorite, makes it so much easier.

 

17 minutes ago, grannyknot said:

Clever, just have to be careful with not over pressurizing the container.  The new fold-able cartons are my new favorite, makes it so much easier.

 

Well that's convenient as hell!

I'm only finding Amsoil though, no Red line.

Nice wheels on the truck.