This is something that I felt could be quite interesting. This thread intends to list every piece of Plarail rolling stock that is based on a locomotive outside of Japan.
If there are any items that I missed, please let me know. I'd be happy to add them. Locomotives are listed by country of origin.

Edit 1: Included some missing information found by members of this forum.
Edit 2: Added Trains from China, Thailand and Hong Kong.
Edit 3: Added the GM Aerotrain.

NOT INCLUDED:
Any thomas characters
Taiwanese locomotives, those can be found in this thread: https://www.blueplastictracks.org/thread-5143.html

France

TGV, Sud-Est livery
Sold Seperately (Japan and UK)
Probably the most well known one. Was sold in Japan under the Plarail foreign series brand and in the UK under the Tomica World Brand.

TGV, Atlantique livery
Found in Tomica World set 7430, sold seperately as Tomica World 7561
Slightly different molding. MUCH harder to find.

United Kingdom

Virgin Express Train
Sold seperately as Tomica World 7465
Unlike the Eurostar and the TGV, this is a repaint of the Kintetsu 21000 Urban Liner and not an original mold. The design is meant to resemble the InterCity 125/Class 43, in a Virgin livery.

Eurostar
Sold seperately (Japan and UK)
The train that runs through the underwater tunnel between France and Britain. Like the TGV Sud-Est, this was sold in Japan
under the Plarail foreign series brand and in the UK under the Tomica World Brand.

United States

EMD F7
Sold in Tomica World set 8296, 7413, Tomy Trains Super Deluxe City Railway set
Not entirely sure if the Basis is correct. Always came with 2 passenger coaches. Locomotive from set 8296 (Same as Thomas Medium Set) is blue with beige stripes, the one from set 7413 had an Amtrak livery. Strangely, the livery is NOT the one that Amtrak used for their F7's, but instead is based on an F40PH livery. An image of a F40PH can also be seen on the box for this set. The last one from the Tomy Trains set has a generic red livery with white stripes.

Jurassic World Set
Sold seperately
Looks to be a GE Evolution series type of locomotive. In a Jurassic World livery. Comes with a container car and a special long type freight car made for holding dinosaurs.

Let's carry Tomica! Set
Sold seperately
Locomotive uses same mold as the Jurassic World one, just with a generic blue and black livery with white stripes.

JGR 7100 Series
Sold in 1972 Benkei-Set (Google Translated name), Tomy Preschool Train Set
This was an american built locomotive that ran in Japan. A modern version of this loco was also released by plarail a few years ago.

GM Aerotrain
Sold at Plarail Expos
While this model is not an exact replica, it is most definitely based on the Aerotrains design. Many color variants of this item were made.

South Korea

KTX Korean Train eXpress
Sold seperately, in multiple sets
Korea's high speed passenger train. The writing on the box for this locomotive and any set that includes it is in korean.

China

CRH2
Sold in CRH Basic Set, CRH Starter Set
Chinese high speed train. It's design was based on the E2-1000 Shinkansen.

Thailand

BTS Skytrain
Sold in BTS Skytrain Set
The BTS Skytrain is an elevated rapit transit line that goes through Bangkok.

Hong Kong

MTR Airport Express
Sold in Airport Express Basic Set, Airport Express Deluxe Set, Sold seperately
Connects the Hong Kong airport with Kowloon. The basic set has Kowloon station, while the deluxe set has the airport's station.

Vibrant Express MTR380A
Sold in Vibrant Express Deluxe Set, Sold seperately
Hong Kong's high speed train. Design is based on the chinese CRH380A.

MTR Metro-Cammell EMU
Sold in MTR Passenger Train (1998) Deluxe Set, MTR Passenger Train (1998) Basic Set
Also known as the M-Train.

MTR SP1900 EMU
Sold in MTR Passenger Train (2002) Deluxe Set, Sold seperately
Also known as the IKK Train or the Millenium Train. There doesn't appear to be a basic set with this train.

That's all I could find for now. Again, please let me know if there are any that I missed in this thread.

With kind regards,
Tyler