MTH Premier 20-21735-1 O Scale GE AC4400 Diesel Union Pacific UP 6297 PS3 Era_1949+ High-strength glue and bead design

High-strength glue and bead design

Lionel 2326109 O Scale 100 Ton Open Hopper Norfolk Southern NS

Three different body types

Bachmann 44861 N Scale E-Z Track

MTH Premier 20-21735-1 O Scale GE AC4400 Diesel Union Pacific UP 6297 PS3 Era_1949+ High-strength glue and bead designMTH Premier 20 21735 1 O Scale GE AC4400 Diesel Union Pacific UP 6297 PS3 From the dawn of dieselization through its first six decades, virtually every American diesel locomotive used DC traction motors. By the early 1990s, however, a series of technological advances allowed designers to tap the inherent superiority of AC traction namely, the ability of an AC motor to start a heavier load than a DC motor, with the same prime mover. The superior