Shipping & DeliveryReview your delivery options
Collector ResourcesGuides, research and ideas
Your Kind of HobbyDiecast, models, trains & more
Join the Muncle Mikes CrewQuestions? Get in touch.
Bachmann 42903 HO 36-inch flat-back metal wheel sets — close detail view
This subscription is temporarily unavailable. Please contact us before ordering.SKU: BAC42903

Bachmann HO 36-Inch Flat-Back Metal Wheel Sets, 12-Pack (42903)

This subscription is temporarily unavailable. Please contact us before ordering.

Bachmann 42903 is a 12-pack of HO scale 36-inch flat-back metal wheel sets for model railroad rolling stock. Manufacturer: Bachmann Part number: 42903 Scale: HO 1:87 Wheel size: 36 scale inches Quantity: 12 wheel sets Material:...

MODEL RAILROAD PURCHASE CHECK

Shipping details being verified

Purchase is paused until weight and physical shipping details are confirmed.

Recorded scale
HO
Part number
BAC42903

Compatibility check: Confirm scale, gauge, track family, rail code, power type, DCC status, minimum radius, coupler and required components. Matching scale or brand alone does not prove compatibility.

Shop train parts and accessories
  • Review the listing photos, specifications and condition notes.
Save this find for later.
$100 U.S. Shipping ThresholdEligibility confirmed at checkout Collector ResourcesGuides & research Returns PolicyReview the terms Have a Question?Contact Muncle Mikes
My Collection

Product details

Bachmann 42903 is a 12-pack of HO scale 36-inch flat-back metal wheel sets for model railroad rolling stock.

  • Manufacturer: Bachmann
  • Part number: 42903
  • Scale: HO 1:87
  • Wheel size: 36 scale inches
  • Quantity: 12 wheel sets
  • Material: metal

Browse more Bachmann model trains and model train parts.

Specifications are listed alongside the product details above.

Condition & collecting

Match the listed scale and track gauge to your layout. For locomotives, check the power system, decoder and sound details; DCC ready does not mean a decoder is installed. For rolling stock, check couplers, clearance and the manufacturer's minimum-radius requirement where provided.

Shipping & returns

Shipping, taxes and any applicable discounts are calculated at checkout.

Collector reviews

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

LISTING STATUS

Shipping details are being verified

We are confirming the exact packaged shipping weight and delivery details before enabling purchase.

Contact Muncle Mikes
$100.00 away from the $100 free-shipping threshold. Add only what your project actually needs.

Complete the project carefully

Useful next steps

These are category-level pathways, not a claim that every part fits every casting.

Start with a prepared casting

DIY kits provide a cleaner starting point, but the specific wheel pairing still needs its own fit check.

Browse DIY kits

Fitment is evidence-gated

A shared diameter is only a starting clue. It is not exact-fit proof.

Learn before final assembly

Use demonstrations as practical guidance—not as proof that a different casting or component will fit.

Visit the Learning Center

TAKE A CLOSER LOOK

Compare your finds

Only recorded product details are shown. Missing information is not a compatibility claim. Open each listing for the full description, options and current terms.