Interplanetary Train KF-139
This set reportedly came out of the Mexican factory. Except where noted, it's like American made set KF-139 and probably not distributed/sold in Mexico. There are no Mexico markings on any of the units. More info and confirmation requested. Photos courtesy of the G. Clarke collection.

Kusan blue plastic and yellow painted U.S. 135 Alco locomotive. This example has red horns and KUSAN in an oval. There are two male electrical connectors on the rear of the locomotive for attaching Dynamic Injection Compressortron wiring. A speed control lever protrudes through the roof.

Kusan USAX 123 Dynamic Injection Compressortron drop center flatcar. The Compressortron has thin and flaky silver paint and a ridged upper ring for the satellite cradle, indicating Mexican production. It rides on an American made red flatcar. There is no wiring present on this car.

Kusan U.S. Space Rocket Fuels gondola. This gondola was American made and carries a load of green, yellow and red wooden nuclear gas bottles.

Kusan USAX 123 drop center flatcar with two blue Thrust Reaction Motor cases. This is another American made item. The flatcar rattles when shaken.

Kusan Radioactive Waste X-723 tank car. Note the black tank ends, which might indicate Mexican production.

Kusan US Space Research 35543 American made caboose. This variation has a yellow cupola roof and black directional antenna.

Kusan US Space Research 35543 American made caboose. This variation has a blue cupola roof and red directional antenna.