Class One Model Works HO Scale TWF10 As Delivered TTX DTTX

Thrall Corporation built 75 single-unit double-stack well cars with a very unique appearance in the early 1990s. These cars used unique Waggon Union trucks, initially developed for use on the prototype Well-Runner car number DTTX 110023. TTX officially classified the cars TWF10 and they allotted the 54000-54074 number series for a total of 75 cars. As of 2021, approximately twenty percent of these cars were still in active service, a testament to the rugged design and the car’s durability. The use of the Waggon Union trucks and their unique design that supports the weight of the car from the sides rather than from the center-bowl required a one-of-a-kind car design. The truck wheelbase was considerably shorter than other cars and the ends of the car were designed to evenly distribute the car weight near the edges of the carbody.

These cars look like nothing else, having heavy side-sill members and the enclosed car ends that partially obscure the trucks themselves. This feature and the low-slung appearance of the cars were instrumental in the cars being nicknamed “battleships” by those that regularly see them in mainline double-stack service all over the country. The wells of the car can accommodate up to a 48-foot container but can also accommodate two 20-foot, one 40-foot or one 45-foot container in the well. The cars are often seen loaded with large overhanging containers in the upper position of the car. The unique truck design was not repeated due to certain maintenance requirements and these cars remain the champions in single well design uniqueness.

TTX, working with Waggon Union, a German car builder, developed an “H” frame truck for use in their development of single well stack cars. This truck supports the car weight on the sides of the truck through a series of leaf springs. This was the only well car design to utilize these trucks.

Class One Model Works provides accurate paint and lettering taken from photographs and paint chips from the prototype, and numbering that matches the class numbers assigned by TTX. This model is presented in three different marking schemes indicative of the time frame from as-delivered, to intermediate life, and to current configuration and lettering with pre-weathering paint.

Class One Model Works, LLC hand-measured and photographed every inch of the prototype car and have accurately modeled every bit of the incredible detail of this car. They engineered the model to reproduce all of the minute detail found on the prototype car.

Every detail found on the prototype has been included on this outstanding model. They have provided the entire air braking system and piping, separate well plate to accurately represent the gusseting in the bottom, end stiffeners and angle, and even the IBC connectors are in their box.

COMW SKUs: FC00100, FC00101, FC00102, and FC00103