Lionel 2674020 HO Scale Maxson Scale Test Car Burlington Northern BN 979022 Blackjack The Russian ZSU-23-4 Shilka self-propelled

The Russian ZSU-23-4 Shilka self-propelled anti-aircraft gun produced by the Ulyanovsk Mechanical Plant entered service with the Soviet army in 1962

Air horn or trainline air whistle as appropriate

New York Central Railroad and other are trademarks owned by Consolidated Rail Corporation and are used here with permission

6 types of markings

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

Lionel 2674020 HO Scale Maxson Scale Test Car Burlington Northern BN 979022 Blackjack The Russian ZSU-23-4 Shilka self-propelledLionel 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