diesel power engine

Team, New to the forum. I hauled my Mahindra 2538 to a friends to do some work. It is on the trailer, and I noticed that the fuel level was low during start up. Yep, grabbed the wrong can, filled it up, started it in prep for unloading, and it ran until it stalled. "Thought bubble" - "You...

So, just bought a summit tractor last week as Atwoods. Has been an amazing addition to my 66 Ford 2000. Today something went haywire though, I was driving and it started sputtering, then died. Now it won’t stay running, and when it does start idling, it won’t rev up. I checked fuel level...

Which is better Ford F2000 3 cylinder gasoline power engine or the F2000 3 cylinder diesel powered engine ? Also which one holds it's value?