Lionel 2674020 HO Scale Maxson Scale Test Car Burlington Northern BN 979022 Blackjack Fine-tune Ackermann on the fly

Fine-tune Ackermann on the fly with the adjustable servo mount

030 Polycarbonate

Athearn Genesis G89963 HO Scale Trinity 3 Bay Covered Hopper Norfolk Southern NS

Just Plug lighting components and glue

6 types of markings

Lionel 2674020 HO Scale Maxson Scale Test Car Burlington Northern BN 979022 Blackjack Fine-tune Ackermann on the flyLionel 2674020 HO Scale Maxson Scale Test Car Burlington Northern BN 979022 Proper billing for many commodities requires accurately weighing cars. To accurately weigh both loaded and empty cars, railroads and industries alike use track scales. These scales must be calibrated periodically and to do so, railroads use scale test cars which have a precise and controlled weight. Many of these track scales use small segments. To accurately test them, many