Designed to fit Twin City Trolleys 3T-9000-2SR, 3T-18000-4SR (flangeless wheel) on 3.25" track.

Regreasable or Nonregreasable wheel assembly. Replacement Parts wheels are made from high strength

steel or per customer's specifications and the treads and flanges are induction hardened to Rockwell 45

to 50. The wheel bearing bores are remachined after the wheels have been heat treated to assure proper

concentricity. High quality precision ball or roller bearings are used on a machined steel axle to assure

long life and easy rolling.