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FDL prime mover, the 2250 h.p. U23B was GE’s
intermediate-sized four-axle road-switcher of the
late 1960s through the mid 1970s. The U23B’s
direct competitor during this period was the very
successful EMD GP38. In 10 years of production from
1968 through 1977 a total of 481 units were
produced, making this the second best seller of
GE’s “Universal Series” locomotives.
The first units were delivered to the Delaware
& Hudson in August and September 1968. CSX
predecessors Chesapeake & Ohio and Louisville
& Nashville had a combined fleet of 120 units,
giving CSX one of the larger active fleets in later
years. Penn Central, Santa Fe and Missouri Pacific
also purchased sizeable fleets of U23Bs.
Primary spotting features include a stepped-out
radiator section and two sets of three tall engine
access doors near the center of the long hood.
During production, the U23B was equipped with
various truck side frames, including Blomberg
trucks from EMD trade-in locomotives, AAR-style
trucks, or GE’s own four-axle “FB2”
truck. One of these three truck styles is included
on our model where appropriate per road name.
Today the number of active U23B’s has
dwindled, but a handful can still be found working
for short lines and regional railroads in North
America.
The Atlas Master™ Series Gold versions of
these locomotives are able to use all of the
QSI® Quantum System™ sound features on DC
layouts with use of the Atlas Quantum
Engineer™. For more information on this
product, click here or visit our online store for
ordering info.
Features:
- Snow plow
(included when appropriate per road name)
- Separately-applied
scale detail parts include: windshield wipers,
metal grab irons, coupler cut levers,
multiple-unit hoses, train line hoses, fine
scale handrails, drop steps and more!
- Five pole
skewed armature motor with dual flywheels for
optimum performance at all speeds
- Directional
lighting with Golden-white LEDs
- Blackened metal
wheels
Atlas
Master™ Series Silver Additional
Features:
- NMRA 8-pin plug
for DCC (Decoder-ready)
Atlas
Master™ Series Gold Additional Features:
- Electronic
Dual-Mode® Decoder (e-DMD) that allows your
locomotive to run in DCC or traditional DC
QSI® Quantum
System™ Features Including:
(Atlas Master Series Gold locomotives
only)
- Dual speaker
system
- Authentic
diesel engine sounds
- Squealing
brakes
- Doppler
effect
- Air let-off in
neutral
- Coupler impact
sounds when operated with DCC
- Helper mode
that mutes the whistle and bell for double
heading
- And more!
Note: Due to the
higher starting voltage required to operate the
sound system, it is not possible to MU a
non-sound-equipped loco in DC (analog) mode
AccuMate®
couplers are made under license from AccuRail,
Inc.
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