Readily available, I recently installed and ran some Eastern Seaboard Models Item Number 920100 thirty-three inch and Item Number 920200 thirty-six inch diameter Fine Scale Metal Wheel-Sets on some newly acquired N-Scale rolling stock.

Free rolling and wobble free, with their glass smooth finish and very realistic looking appearance, the Eastern Seaboard Models wheel-sets added several grams of weight below the train car body, a preferential location for adding mass.

Eastern Seaboard Models 920200 N-Scale 36" Fine Scale Metal Wheel-Sets

Properly gauged when they were checked with an NMRA Standards Gauge, the wheel-sets have a .040" wheel thread width and a .540" axle length that works flawlessly with Micro-Trains® Line trucks.

Currently in the process of upgrading all of my Jacksonville Terminal Company NSC 53' Intermodal Well Cars with Eastern Seaboard Models wheel-sets, the 36" diameter wheels were the proper size for the Micro-Trains® 1036 100-Ton Barber Rolling Bearing trucks that the models were shipped with.

JTC 772013 NSC 17-Post Double Stack Well Car with Eastern Seaboard Models 920200 Wheel-Sets 

When they are run, the metal wheels are more prototypically audible and tend to remain cleaner than their plastic counterparts.

The upgrade wheel-sets reduce friction, which translates into an increase in the number of train cars that can be pulled up a grade by a single piece of motive power.

A huge improvement over the one-piece injection molded plastic ones that Micro-Trains® trucks are currently fitted with, presently available in twelve piece packages, I only wish the Eastern Seaboard Models wheel-sets were shipped in one-hundred set bulk packs.

View additional articles like this one in the Trains N Scale™ Models and Prototypes Blog.