Bachmann HO West Chemical Products #70487 Tank Car 17116 Guide

Bachmann’s HO West Chemical Products #70487 tank car is identified by manufacturer item 17116 and UPC 022899171166. It is a 40-foot, three-dome car, and the separate company name and car number are important: similar Bachmann releases use the same general car type with different lettering and identifiers. This guide focuses on confirming the exact West Chemical model and planning it for an HO roster or layout.

Verified details for item 17116

• Manufacturer: Bachmann
• Model: 40-foot three-dome tank car
• Painted identity: West Chemical Products #70487
• Scale: HO, 1:87
• Manufacturer item: 17116
• UPC: 022899171166
• Store SKU: BAC17116
• Package: one assembled freight car
• Recommended age: 14 and up

Bachmann gives the model dimensions as 6.25 inches long, 1.5 inches wide, and 2 inches high. Its retail package is listed at 7.25 by 1.75 by 3.4 inches. The car dimensions help with shelf, siding, and clearance planning; the larger package measurements are useful when reserving storage space for the box.

Why the three-dome design matters

Three domes correspond to separate compartments within a tank car. Dividing the tank let a car carry more than one grade of liquid in the same trip while keeping the loads apart. Bachmann’s product description notes that three-dome cars served varied industries and could carry different liquids in separate compartments. The divided tank is the functional reason for the silhouette, not a decorative feature.

The West Chemical Products lettering gives this model a chemical-company identity. The product record and manufacturer listing establish that name and car number, but they do not document a specific shipment, route, railroad assignment, or operating date for car 70487. If you are modeling a particular place and year, verify those details separately rather than treating the paint scheme as a complete historical record.

Model features and handling

Bachmann lists a fully assembled model with a detailed painted body, precision graphics, and detailed open underframe. The ladders, brake wheel, and warning placards are separately applied, as are the metal handrails. Other listed details include added weight, trucks with see-through sideframes, blackened metal wheels with RP25 contours, and magnetically operated E-Z Mate Mark II couplers.

When removing the car from its package, support the body or underframe and keep fingers clear of the small applied parts. Avoid lifting by a ladder, handrail, brake wheel, or coupler. Before running it, check that the wheelsets roll freely and that the couplers move as expected. The manufacturer does not list a minimum curve radius for this item, so a practical test on your layout is the way to check it for tight curves and turnouts.

Check clearances on your HO layout

The stated HO scale is 1:87, so item 17116 is intended for HO track and rolling stock. The 6.25-inch body length is a useful first measure when checking storage, display, or siding space. Leave additional room for coupler movement and the gap between cars. On a curve, the ends of a long car swing differently from the center; test near platforms, tunnel portals, bridge supports, and other close scenery at slow speed.

For a new consist, compare coupler height and operation with the adjacent cars, then run the train through each turnout and curve you plan to use. Bachmann specifies E-Z Mate Mark II magnetic couplers, but the listing does not guarantee compatibility with every brand or coupler standard. A brief test helps reveal mismatch or interference before the car is committed to regular service.

Identifying the exact release

Keep the company lettering, car number, and manufacturer number together in your collection record: “West Chemical Products #70487 / Bachmann 17116 / UPC 022899171166 / HO.” This separates the model from other 40-foot three-dome releases that share its broad equipment type. When comparing a package, online listing, or roster entry, check both the road number shown on the car and item 17116 rather than relying on “three-dome tank car” alone.

Browse Bachmann model trains and the broader model train collection. Our HO freight-car guide explains how common car types differ.

View the Bachmann HO West Chemical Products #70487 tank car (17116) for current store details. Check the product page for live price and availability.

Make the first test representative

Choose the shortest curve and most restrictive turnout that the car will encounter, not just the easiest straight section. Run it slowly in both directions with the adjacent cars you expect to use. Check that the couplers remain connected through the curve and that the car does not touch close scenery. Record the track section and result in your roster; a repeatable note is more useful than assuming every layout with HO track will behave the same.