MTH 30-1455-1 Southern 2-8-8-2 USRA Steam Locomotive w/PS 2.0 #4022 ProductID_11441004 Metal frame and pilots

Metal frame and pilots

This is a Williams 20710 O Great Northern EMD F7 A-A 3-Rail Diesel Locomotive Set

Two scale operating Kadee coupler

full detailed interiors

MTH 30-1455-1 Southern 2-8-8-2 USRA Steam Locomotive w/PS 2.0 #4022 ProductID_11441004 Metal frame and pilotsIn 1874, Swiss technical writer Anatole Mallet invented the articulated locomotive, coupling two sets of driving wheels under one boiler. Mallets used their steam twice: the rear cylinders were fed high pressure boiler steam, and the larger front cylinders used low pressure steam exhausted from the rear cylinders. In 1909, Baldwin delivered the first 2 8 8 2 Mallets to the Southern Pacific, where they became the precursors of the Cab Forwards shown