Model Train Guides
Atlas 20006579: Great Northern Boxcar Selection Guide

Atlas 20006579 represents a Great Northern 50-foot double-door boxcar carrying road number 35055. It is an HO freight car for an existing model railroad. The manufacturer item number, railroad and printed car number together identify the version covered here.
Product reference
- Manufacturer item: Atlas 20006579; store reference: ATL20006579.
- Railroad and road number: Great Northern, 35055.
- Model type: HO-scale double-door boxcar representing a 50-foot freight car.
Use the road number to distinguish the model
Great Northern boxcars can share a general description while carrying different numbers or details. Compare 20006579 and 35055 with the listing and the car photograph before adding another example to a train or display.
The 50-foot designation describes the full-size car represented by the model. Use actual model measurements when planning a display case or checking a tight structure clearance.
Check the layout as a complete system
Confirm the gauge and coupler arrangement of the cars you intend to run together. Check coupler height, free movement and clearance on your own curves and turnouts using the manufacturer guidance for the exact model.
A freight car adds rolling stock; it does not supply a locomotive, track or controller. Choose the locomotive and operating equipment separately. No minimum curve radius is asserted here because an exact current specification was not established in the source review.
Plan its place in the train
For a Great Northern-themed consist, record both the railroad and road number so that each car is easy to identify. If historical accuracy matters to your layout, check the paint scheme and service period against an appropriate railroad reference before selecting the rest of the consist.
Shop the item and related supplies
Atlas HO Scale Great Northern 50-Foot Double-Door Boxcar #35055 – 20006579
Sources and scope
Product identity and photographs were checked against the linked Muncle Mikes listing. Manufacturer references below support the stated specifications. Planning advice is not a report of hands-on testing. Source review: November 5, 2026.

