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PM-8911
B40-8 Susquehanna 4008 with PM-8911
photo by: Ken Kraemer
B40-8 Susquehanna 4004 with PM-8911 in Halloween attire
photo by: Ken Kraemer
crop of above photo
SD40-2 Santa Fe 5043 with PM-8901 (earlier unit with higher base)
U30C Burlington Northern 5383 with PM-8901
Metra F40PHM No. 213 with roof mounted PM-8911s (or PM-8913)
together with a roof mounted horizontal 20585 Gyralite (red lens on locomotive's left)
The date of photo makes it possible that one or both beacons could be the latest PM-8913 model - which
looks identical to the PM-8911.
photo by: Sean Gash (1999)
PM-8911-4
Unit with dome removed (side view)
Unit with dome removed (plan view)
Unit inverted showing circuitry
PM-8901 circuit board
Converting PM-8911 to 12-volts