Had some troubles, need an oil filler cap...

Well, a little excitement last night. It's happened before, once almost exactly the same way.

We have some neighbors near the farm that are - well, little hoodlums. Always in trouble, never enough "proof" to do anything about them. About 3 years ago, they crashed a car about 1/2 mile from the farm and then took off. That was about 2:30 in the morning. Cops and fire rescue came, no one around, the person or persons took off. They went to the house where the car was registered (the hood's house), the kids claimed it had just been stolen. No charges filed.

Last night at 11:55 PM, my sister, who lives across the road from the farm in what was my/our Dad's house, texted me to say that there was a new bout of "excitement," car went past my barn (we don't live there, we're about 9 miles distant, it used to be quiet as a graveyard around there, maybe 6 cars going by in a day's time), she heard them hit the gas, tires squealed, then they lost control where the road goes through a little wooded ravine that's also on our property, and slammed into a big maple tree just past our property line, maybe 700' from the barn. Someone called 911, but before the cops and fire rescue got there, the little hoods (we think, since it was once again their car, a different one) were gone but my sister saw them at my barn. They ran out behind it since there's a mercury light on all night in front of the barn.

The cops searched, up and down the road, stopped to talk to my sister because she went out to tell them that the culprits were at the barn, they searched all over but found no one. And the punks weren't at their home, either.

I thought nothing of it, the cameras I had to install INSIDE the barn showed no one had gone inside. But, my Allis 6140 was sitting outside because I still have the 6.5" wood chipper on the back and it wouldn't fit inside.

Today, before I started up the tractor, I checked it over and - the hood had been opened, and not properly closed. That's when I noticed the oil filler cap was missing. I didn't dare start it in case they had put anything in there.

I've checked things over, everything else looks fine. It IS possible that it worked loose and fell off last time I worked with it, it IS possible that I misplaced it last time I changed the oil (oil's always been at full mark, still is), but - who knows.

Bottom line is, now I need an oil filler cap and can't seem to find a source. The engine is a Toyosha 2.3L, 3-cylinder diesel, 142 CID. I've been looking online 'til I went cross-eyed looking for one. Can anyone help me with this?

Thank you,

 - Tim