ScaleTrains 39696 HO Scale GE AC4400CW Diesel Union Pacific "Red Sill" UP 7255 Era_1980 + The optional Center Differential transfers

The optional Center Differential transfers power to the front and rear differentials independently for smooth power delivery in rough conditions and maximum corner speed

PTC Antennas

Dual clamp plates prevent a massive slam from ejecting the ESC

and precision machined flywheels

ScaleTrains 39696 HO Scale GE AC4400CW Diesel Union Pacific "Red Sill" UP 7255 Era_1980 + The optional Center Differential transfersScaleTrains 39696 HO Scale GE AC4400CW Diesel Union Pacific "Red Sill" UP 7255 The Rivet Counter series AC4400CW is the definitive HO Scale model of GEs revolutionary six axle alternating current traction locomotive. This model combines smooth operating performance with unparalleled railroad, road number, and era specific details along with industry leading LED lighting features. Aside from wreck victims, nearly all prototype AC4400s are still in