They were used to check axle load limits and to determine the billing of customers for cargo loads

Double spool operation with end-off switching

The Trainz SKU for this item is P11983557

The Trainz SKU for this item is P12103409

There is an on/off switch located underneath the tender which is used to operate the bell

Lionel 6-81469 O Gauge Great Northern Bi-Level Stockcar #65385 ProductID_11451017 They were used to checkHere is a Lionel 6 81469 O Gauge Great Northern Bi Level Stockcar #65385. Features Diecast metal sprung trucks and operating couplers Opening doors with metal door guides Traditional O Gauge Dimensions: Length: 11 1 2 RailLine: Great Northern Minimum Curve: O 27 Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Lionel Model Number: 6 81469 Road Name: Great Northern (GN) MSRP: $59. 99 Scale Era: O Modern