Kadee HO 503 Arch Bar Fully Sprung Metal Trucks w/Whisker(R) Couplers - Kit - Code 110 (.110") 33" Ribbed-Back RP-25 Wheels 1 Pair RECSES_2026-2-19_CUR_873 This roller test stand is

This roller test stand is suitable for the "Big Boy"

Operation easy for children to handle thanks to the Märklin Power Control Stick

Additional how-to videos can be found at http://www

Prototype: German Federal Railroad (DB) class 151 heavy freight locomotive

Kadee HO 503 Arch Bar Fully Sprung Metal Trucks w/Whisker(R) Couplers - Kit - Code 110 (.110") 33" Ribbed-Back RP-25 Wheels 1 Pair RECSES_2026-2-19_CUR_873 This roller test stand isFully sprung equalized trucks. Mounts with a #2 or 2 56 screw, sold separately. The Arch Bar truck is typical of these trucks from around the turn of the century. Despite the age of these trucks, they saw more than seventy years of service in some applications. The arch bar was allowed in interchange service until about 1941. On railroads that were not common carriers such as logging or other industrial lines, this restriction of the trucks did not