Model Train Guides
Bachmann HO Quaker State #781 Tank Car: Item 17810 Guide
Bachmann’s HO scale 40-foot single-dome tank car lettered Quaker State #781 is a particular release in a group of similarly shaped freight cars. This guide helps identify the exact model, understand Bachmann’s listed construction details, and check whether it suits a layout or collection. The model’s Quaker State lettering is a visual identifier; it is not enough by itself to establish the prototype car’s exact cargo, route, or years of service.
Exact item information
- Manufacturer: Bachmann
- Scale: HO, 1:87
- Car type: 40-foot single-dome tank car
- Markings: Quaker State #781
- Bachmann item: 17810
- UPC: 022899178103
- Muncle Mikes SKU: BAC17810
Use item 17810 and UPC 022899178103 as cross-checks when comparing the model with a catalog entry or another retailer’s listing. Tank cars can have nearly identical proportions while carrying different private-owner names and numbers. Confirm the Quaker State #781 markings before treating a photograph or package as a match. The store item number is useful for checking that the guide and product listing refer to the same release.
Manufacturer-listed model features
Bachmann describes the model as HO 1:87 and lists a detailed painted body with precision graphics, an open underframe, separately applied ladders, brake wheel and metal handrails, added weight, detailed trucks with see-through sideframes, and blackened metal wheels with RP25 contours. Its product page lists magnetically operated E-Z Mate Mark II couplers.
The body graphics and markings are the main clues for identifying this release on a shelf or in a train. The separately applied equipment gives the tank ends more definition, while the open underframe and truck details are visible when viewed at track level. For an operating layout, the couplers and wheel contours are the details to compare with the rest of your fleet. Manufacturer specifications describe the model; a test on your own track confirms whether it works with your particular equipment.
What the name does and does not tell you
Quaker State is a familiar name, but the company lettering does not prove that prototype car #781 hauled a particular product on a specific date. The car’s exact cargo and history need a source tied to that road number. Tank cars could carry a variety of liquids, and their roles could change. Avoid turning a plausible assumption into a factual caption for a historically specific display.
Bachmann’s general notes for the single-dome car family place riveted tank designs among cars delivered from the late 1920s into the early 1940s, before welded construction became more common. The manufacturer also describes some cars later being reassigned to water-supply work for maintenance-of-way operations. That context can help you choose a broad era for a representative freight scene. It does not confirm the build date or later service of this exact Quaker State car.
If you want a documented train, look for a dated railroad roster, photograph, or company record that links #781 to a service period or route. If that evidence is unavailable, you can still enjoy the model as an identified Bachmann release and make the consist a plausible, clearly fictional operating choice.
Using Quaker State #781 in a layout
A private-owner tank car can add variety to a freight roster and give an industry scene an identifiable car type. Start by setting the time period and railroad represented by the layout. Then compare the model’s markings with the other rolling stock you plan to run. If exact prototype fit matters, verify the road number and paint scheme from a source appropriate to your chosen period.
For display, position the car so the Quaker State lettering and number are readable. For operations, include the manufacturer item and road number in your roster notes. This makes it easier to differentiate from other Bachmann cars in the same family and helps you track any maintenance or modifications you make.
Check fit and condition
Before adding the model to a long train, confirm that the wheels turn freely and stay in gauge. Check coupler height with the gauge you use for your fleet, then run the car through your layout’s tightest curve and turnout. Test it alone first, then in a short consist. Look for wheel binding, unwanted uncoupling, or interference with turnout points. The HO scale label does not provide a minimum curve radius or guarantee compatibility with every layout.
Handle the model by its body or underframe to protect the separately applied ladders, brake wheel, and handrails. If a detail appears loose or a truck is displaced, refer to current Bachmann service information before attempting repair. Keep the product number and a photo of the lettering in your collection record for later reference.
Quick verification checklist
- Match Bachmann item 17810 or UPC 022899178103.
- Confirm the Quaker State lettering and #781 number.
- Check HO scale (1:87) against your layout or collection.
- Inspect the underframe, trucks, wheels, couplers, and attached details.
- Test clearance and rolling on your actual track.
- Use prototype documentation before claiming a specific cargo or service date.
Related model train collections
Explore HO scale model trains, Bachmann model trains, and model trains and train sets for other items to build out a freight roster.
Frequently asked questions
What is the item number for Quaker State #781?
Bachmann lists the model as item 17810 with UPC 022899178103.
What couplers does Bachmann list?
The product page lists magnetically operated E-Z Mate Mark II couplers. Verify their operation with the rest of your layout equipment.
Can the model’s lettering identify its exact cargo?
No. A road name and number identify the release appearance; a prototype roster or dated source is needed to verify exact historical service.
In short: Bachmann item 17810 is an HO single-dome tank car lettered Quaker State #781. Use the item number to confirm the release, inspect the visible details, and test the wheels and couplers on your layout before running it.
View the Bachmann HO Quaker State #781 tank car product listing
Model identity and listed features checked against Bachmann’s item 17810 page on October 18, 2026. Refer to the live product listing for current options and availability.
