It provides terrific conductivity where normally conductivity is a problem

which means fewer derailments and perfect electrical contact - guaranteed

separately applied metal underframe details

This is Bowser 23753 DS 4-4-1000 WM #133

Athearn 85790 HO Scale CSX/FGE 50' PD Superior Door Box #197984 ProductID_12257134 It provides terrific conductivity whereThis is an Athearn ATH85790 HO CSX Fruit Growers Express 50' PD Superior Door Box #197984. Features: All models are representative of prototypical paint schemes. 70 ton Roller Bearing trucks with 33 wheels. Fully assembled and ready to run out of the box. Highly detailed, injection molded body. Separately applied brake wheel and ladders. Machined metal wheels. Weighted for trouble free operation. Wheels with RP25 contours operate on all popular brands