BLI 016 HO Scale T1 4-4-4-4 Steam Loco PRR 5517 with DCC QSI Sound - USED Rudder dual slipper clutch

dual slipper clutch

3 in (110mm)

since they tend to be so thick that it's hard for the gears to move

many of which are still served today

These models are typical of these conversions that served from the 1950s to the 1990s on some roads

BLI 016 HO Scale T1 4-4-4-4 Steam Loco PRR 5517 with DCC QSI Sound - USED Rudder dual slipper clutchBLI 016 HO Scale T1 4 4 4 4 Steam Loco PRR 5517 with DCC QSI Sound USED Proposed by Baldwin in the 1930s, duplex drive locos would combine two independent sets of drivers, valve gear and cylinders on a rigid frame. In theory, these engines would be lighter and easier to maintain than a conventional articulated and pull more at higher speeds. Intrigued that the concept could produce a replacement for its legendary K4, Pennsy ordered an experimental 6 4