Walthers 920101933 56 Thrall All Door Boxcar US Plywood available-to-order Prototype: Union Pacific Railroad (UP)

Prototype: Union Pacific Railroad (UP) class 4000 "Big Boy"

which is used to clear snow-covered railway tracks

and 43442 extension sets to a prototypical 10-car unit

The set is fitted with close couplers between the cars and with system couplers at the loco end and the rear end

Walthers 920101933 56 Thrall All Door Boxcar US Plywood available-to-order Prototype: Union Pacific Railroad (UP)Walthers 920101933 56 Thrall All Door Boxcar US Plywood HOBoxcarsWalthers Walthers 920101933 56' Thrall All Door Boxcar US Plywood Model: US Plywood #1414 (green, white). Introduced in the late 1960s especially for lumber service, the 56' Thrall All Door Boxcar from WalthersProto(R) makes a unique and colorful addition to HO freight operations. Designed to protect weather sensitive building materials and simplify loading and unloading, the design