Powered by a V12 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.
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
Silver Sound Ready
- Atlas Silver Sound Ready models are equipped with a speaker for easy conversion to sound with the addition of a decoder.
Atlas Master™ Series Silver Additional Features:
- NMRA 8-pin plug for DCC (Decoder-ready)
Sound Features for Gold Series :
(DCC Operation)
- Supports all DCC-programming modes
- Flexible mapping of function keys F0 to F28.
- A total of six DCC function outputs are available
- Follows all NMRA DCC standards and recommended practices.
Analog (DC) Operation:
- The LokSound Select Dual-Mode decoder allows your Atlas Gold Series locomotive to be used on DC as well as on DCC layouts.
• Please note that the Atlas Quantum Engineer will NOT operate an Atlas Gold Series locomotive equipped with a LokSound Select decoder on an analog (DC) layout. However, the sound and lighting
functions of the LokSound Select decoder in the Atlas Gold Series U23B locomotive can be controlled by an easy-to-use basic DCC system.
- Also note that on a DC-powered layout, a DCC and sound equipped locomotive (such as the Atlas Gold Series U23B) CANNOT be consisted with another locomotive that does not also have both DCC and sound. (This statement does NOT apply to DCC-equipped locomotives operating on a DCC layout.)
Sound Functionality:
- Over 20 sound effects are available, including engine start-up and shutdown, prime mover sounds through all eight notches, bell, air horn, air compressor, dynamic brakes and more.
- There are 16 user-selectable horns, 2 user-selectable bells, and 2 user-selectable synchronized brake squeals.
- Manual and Automatic Notching modes with the ability to change modes ”on the fly” are provided for true realism.
AccuMate® couplers are made under license from
AccuRail, Inc.
Check availability of this product on the Atlas Online Store
Need Parts? Click Here
Silver Item# |
Road Name |
Road Number |
Gold Item# |
April 2019
Silver MSRP: $179.95 Gold MSRP: $289.95 |
HO U23B Low Nose Locomotive |
10 000 810 |
Undecorated w/AAR Trucks w/o Low Nose H/L |
- |
10 000 839 |
10 000 811 |
Undecorated w/FB-2/Blomberg Trucks w/o Low Nose H/L |
- |
10 000 840 |
New Road Numbers! |
10 003 416 |
ATSF (Blue/Yellow) |
6300 |
10 003 435 |
10 003 417 |
ATSF (Blue/Yellow) |
6317 |
10 003 436 |
10 003 418 |
ATSF (Blue/Yellow) |
6344 |
10 003 437 |
10 003 419 |
C&O Chessie* (Blue/Yellow/Orange) |
2309 |
10 003 438 |
10 003 420 |
C&O Chessie* (Blue/Yellow/Orange) |
2313 |
10 003 439 |
10 003 421 |
C&O Chessie* (Blue/Yellow/Orange) |
2315 |
10 003 440 |
10 003 422 |
Delaware & Hudson (Blue/Gray) |
2308 |
10 003 441 |
10 003 423 |
Delaware & Hudson (Blue/Gray) |
2309 |
10 003 442 |
10 003 424 |
Delaware & Hudson (Blue/Gray) |
2313 |
10 003 443 |
10 003 425 |
Lehigh Valley (Red/Yellow) |
509 |
10 003 444 |
10 003 426 |
Lehigh Valley (Red/Yellow) |
503 |
10 003 445 |
10 003 427 |
Lehigh Valley (Red/Yellow)
(LV herald on nose correct to prototype) |
508 |
10 003 446 |
New Paint Schemes! |
10 003 428 |
Missouri Pacific (Blue/White) |
2263 |
10 003 447 |
10 003 429 |
Missouri Pacific (Blue/White) |
2275 |
10 003 448 |
10 003 430 |
Missouri Pacific (Blue/White) |
2257 |
10 003 449 |
10 003 431 |
Conrail Express (RBMN) (Blue/White) |
2395 |
10 003 450 |
HO U23B High Nose Locomotive |
10 000 832 |
Undecorated w/AAR Trucks |
- |
10 000 861 |
New Road Numbers! |
10 003 432 |
Southern (Black/White) |
3936 |
10 003 451 |
10 003 433 |
Southern (Black/White) |
3939 |
10 003 452 |
10 003 434 |
Southern (Black/White) |
3964 |
10 003 453 |
*CSX Licensed Product
Products bearing Missouri Pacific (MP) marks are made under trademark license from Union Pacific Railroad Company.
|
November 2015
Silver MSRP: $149.95 Gold MSRP: $259.95 |
HO U23B Low Nose Locomotive |
10 000 810 |
Undecorated w/AAR Trucks w/o Low Nose H/L |
- |
10 000 839 |
10 000 811 |
Undecorated w/FB-2/Blomberg Trucks w/o Low Nose H/L |
- |
10 000 840 |
Road Numbers Back by Popular Demand! |
10 002 164 |
MKT (Green/Yellow) |
350 |
10 002 185 |
10 002 165 |
MKT (Green/Yellow) |
351 |
10 002 186 |
10 002 166 |
MKT (Green/Yellow) |
352 |
10 002 187 |
New Road Numbers! |
10 002 167 |
C&O* (Blue/Yellow) |
2300 |
10 002 188 |
10 002 168 |
C&O* (Blue/Yellow) |
2303 |
10 002 189 |
10 002 169 |
C&O* (Blue/Yellow) |
2322 |
10 002 190 |
10 002 170 |
Conrail (Blue/White) |
2748 |
10 002 191 |
10 002 171 |
Conrail (Blue/White) |
2759 |
10 002 192 |
10 002 172 |
Conrail (Blue/White) |
2774 |
10 002 193 |
10 002 173 |
Western Pacific (Green/Orange) |
2254 |
10 002 194 |
10 002 174 |
Western Pacific (Green/Orange) |
2256 |
10 002 195 |
10 002 175 |
Western Pacific (Green/Orange) |
2265 |
10 002 196 |
New Paint Scheme! |
10 002 176 |
Erie Lackawanna++ (Gray/Maroon/Yellow) |
2301 |
10 002 197 |
10 002 177 |
Erie Lackawanna++ (Gray/Maroon/Yellow) |
2314 |
10 002 198 |
10 002 178 |
Erie Lackawanna++ (Gray/Maroon/Yellow) |
2320 |
10 002 199 |
HO U23B High Nose Locomotive |
10 000 832 |
Undecorated w/ AAR Trucks |
- |
10 000 861 |
New Road Numbers! |
10 002 179 |
Norfolk Southern (Black/White) |
3900 |
10 002 200 |
10 002 180 |
Norfolk Southern (Black/White) |
3919 |
10 002 201 |
10 002 181 |
Norfolk Southern (Black/White) |
3928 |
10 002 202 |
New Paint Scheme! |
10 002 182 |
Georgia Central (Black/White) |
3910 |
10 002 203 |
10 002 183 |
Georgia Central (Black/White) |
3917 |
10 002 204 |
10 002 184 |
Georgia Central (Black/White) |
3928 |
10 002 205 |
++ Alternate History Paint Scheme - Erie Lackawanna had U23B locomotives on order from GE but the order was cancelled in advance of the creation of Conrail. This paint scheme is based on the actual GE paint diagram for the EL production order. |
Item# |
Road Name |
Road Number |
November 2009
Silver MSRP: $149.95 Gold MSRP: $259.95 |
HO U23B Low Nose Locomotive
Atlas Master™ Series Silver - (Without Decoder and Sound) [DCC Ready] |
10 000 810 |
Undecorated w/AAR Trucks w/o Low Nose H/L |
- |
10 000 812 |
Undecorated w/AAR Trucks w/Low Nose H/L |
- |
10 000 813 |
Undecorated w/FB-2/Blomberg Trucks w/Low Nose H/L |
- |
New Paint Scheme! |
10 000 814 |
Central Michigan (Black/White) |
8903 |
10 000 815 |
Central Michigan (Black/White) |
8904 |
10 000 816 |
Central Michigan (Black/White) |
8905 |
New Road Numbers! |
10 000 817 |
Guilford (MEC)+ (Gray/Orange) |
281 |
10 000 818 |
Guilford (MEC)+ (Gray/Orange) |
285 |
10 000 819 |
Guilford (MEC)+ (Gray/Orange) |
293 |
10 000 820 |
Louisville & Nashville*+ (Gray w/Yellow Lettering) |
2751 |
10 000 821 |
Louisville & Nashville*+ (Gray w/Yellow Lettering) |
2720 |
10 000 822 |
Louisville & Nashville*+ (Gray w/Yellow Lettering) |
2742 |
10 000 823 |
Monon*+ (Black/Gold) |
602 |
10 000 824 |
Monon*+ (Black/Gold) |
605 |
10 000 825 |
Monon*+ (Black/Gold) |
608 |
10 000 826 |
Penn Central (Black/White) |
2706 |
10 000 827 |
Penn Central (Black/White) |
2723 |
10 000 828 |
Penn Central (Black/White) |
2746 |
10 000 829 |
Santa Fe (Blue/Yellow "Warbonnet") |
6309 |
10 000 830 |
Santa Fe (Blue/Yellow "Warbonnet") |
6336 |
10 000 831 |
Santa Fe (Blue/Yellow "Warbonnet") |
6341 |
HO U23B High Nose Locomotive - New Model! |
10 000 832 |
Undecorated w/ AAR Trucks |
- |
10 000 833 |
Norfolk Southern (Black/White) |
3916 |
10 000 834 |
Norfolk Southern (Black/White) |
3920 |
10 000 835 |
Norfolk Southern (Black/White) |
3931 |
10 000 836 |
Southern (Black/Imitation Aluminum/Yellow) |
3923 |
10 000 837 |
Southern (Black/Imitation Aluminum/Yellow) |
3919 |
10 000 838 |
Southern (Black/Imitation Aluminum/Yellow) |
3928 |
HO U23B Low Nose Locomotive
Atlas Master™ Series Gold (With Decoder & Sound) |
10 000 839 |
Undecorated w/AAR Trucks w/o Low Nose H/L |
- |
10 000 841 |
Undecorated w/AAR Trucks w/Low Nose H/L |
- |
10 000 842 |
Undecorated w/FB-2/Blomberg Trucks w/Low Nose H/L |
- |
New Paint Scheme! |
10 000 843 |
Central Michigan (Black/White) |
8903 |
10 000 844 |
Central Michigan (Black/White) |
8904 |
10 000 845 |
Central Michigan (Black/White) |
8905 |
New Road Numbers! |
10 000 846 |
Guilford (MEC)+ (Gray/Orange) |
281 |
10 000 847 |
Guilford (MEC)+ (Gray/Orange) |
285 |
10 000 848 |
Guilford (MEC)+ (Gray/Orange) |
293 |
10 000 849 |
Louisville & Nashville*+ (Gray w/Yellow Lettering) |
2746 |
10 000 850 |
Louisville & Nashville*+ (Gray w/Yellow Lettering) |
2728 |
10 000 851 |
Louisville & Nashville*+ (Gray w/Yellow Lettering) |
2745 |
10 000 852 |
Monon*+ (Black/Gold) |
602 |
10 000 853 |
Monon*+ (Black/Gold) |
605 |
10 000 854 |
Monon*+ (Black/Gold) |
608 |
10 000 855 |
Penn Central (Black/White) |
2725 |
10 000 856 |
Penn Central (Black/White) |
2739 |
10 000 857 |
Penn Central (Black/White) |
2748 |
10 000 858 |
Santa Fe (Blue/Yellow "Warbonnet") |
6312 |
10 000 859 |
Santa Fe (Blue/Yellow "Warbonnet") |
6321 |
10 000 860 |
Santa Fe (Blue/Yellow "Warbonnet") |
6340 |
HO U23B High Nose Locomotive - New Model! |
10 000 861 |
Undecorated w/ AAR Trucks |
- |
10 000 862 |
Norfolk Southern (Black/White) |
3918 |
10 000 863 |
Norfolk Southern (Black/White) |
3921 |
10 000 864 |
Norfolk Southern (Black/White) |
3934 |
10 000 865 |
Southern (Black/Imitation Aluminum/Yellow) |
3920 |
10 000 866 |
Southern (Black/Imitation Aluminum/Yellow) |
3924 |
10 000 867 |
Southern (Black/Imitation Aluminum/Yellow) |
3930 |
April 2006
MSRP: $109.95 |
HO U23B Locomotive |
8650 |
Undecorated (AAR Trucks) |
|
8651 |
Undecorated (FB-2/Blomberg Trucks) |
|
HO U23B Locomotive - New Paint Schemes! |
8260 |
CSX* (Gray/Blue "Stripe") |
3243 |
8261 |
CSX* (Gray/Blue "Stripe") |
3278 |
8262 |
CSX* (Gray/Blue
"Stripe") |
3289 |
8263 |
Delaware
& Hudson (Blue/Gray/Yellow "Lightning Stripe") |
2304 |
8264 |
Delaware
& Hudson (Blue/Gray/Yellow "Lightning Stripe") |
2307 |
8265 |
Delaware
& Hudson (Gray/Yellow "Gray Ghost") |
2311 |
8266 |
Delaware
& Hudson (Red/White/Blue "Bicentennial") |
1776 |
8291 |
Missouri Pacific† (Blue/White) (1980s scheme) |
4512 |
8292 |
Missouri Pacific† (Blue/White) (1980s scheme) |
4525 |
8293 |
Missouri
Pacific† (Blue/White) (1980s scheme) |
4530 |
8294 |
NdeM (Dark Green/Red/Yellow) |
9103 |
8295 |
NdeM
(Dark Green/Red/Yellow) |
9114 |
8296 |
NdeM (Dark Green/Red/Yellow) |
9120 |
HO U23B Locomotive - New Road Numbers! |
8267 |
Lehigh Valley (Cornell Red/Yellow) |
505 |
8268 |
Lehigh
Valley (Cornell Red/Yellow) |
510 |
8269 |
Lehigh Valley (Cornell Red/Yellow) |
512 |
8288 |
Milwaukee
Road (Black/Orange) |
5000 |
8289 |
Milwaukee Road (Black/Orange) |
5002 |
8290 |
Milwaukee Road (Black/Orange) |
5003 |
8297 |
Santa Fe (Blue/Yellow) (Pre-1972 Scheme) |
6324 |
8298 |
Santa Fe (Blue/Yellow) (Pre-1972 Scheme) |
6330 |
8299 |
Santa
Fe (Blue/Yellow) (Pre-1972 Scheme) |
6346 |
October 2003
MSRP: $104.95 |
HO U23B LOCOMOTIVES |
8650 |
Undecorated (AAR Trucks) |
|
8651 |
Undecorated (Floating Bolster/Blomberg Trucks) |
|
8270 |
CSX (Blue/Gray/Yellow)-Floating
Bolster Trucks |
3265 |
8271 |
CSX (Blue/Gray/Yellow)-Floating Bolster Trucks |
3305 |
8272 |
CSX (Blue/Gray/Yellow)-Floating Bolster Trucks |
No# |
8273 |
CSX (Orange/Black
“M of W”)-Floating Bolster Trucks |
9552 |
8274 |
CSX (Orange/Black “M of W”)-Floating Bolster Trucks |
9554 |
8275 |
Delaware & Hudson
(Blue/Yellow)-AAR-B Trucks |
2302 |
8276 |
Delaware & Hudson (Blue/Yellow)-AAR-B Trucks |
2303 |
8277 |
Delaware & Hudson (Blue/Yellow)-AAR-B Trucks |
No# |
8278 |
Providence &
Worcester (Brown/Orange)-Floating Bolster Trucks |
2205 |
8279 |
Providence & Worcester (Brown/Orange)-Floating
Bolster Trucks |
2206 |
8280 |
Providence & Worcester (Brown/Orange)-Floating
Bolster Trucks |
No# |
8281 |
Reading & Northern (Green/Yellow)-AAR-B Trucks |
2397 |
8282 |
Reading & Northern
(Green/Yellow)-AAR-B Trucks |
2399 |
8283 |
Seaboard System
(Gray/Yellow/Red)-Floating Bolster Trucks |
2751 |
8284 |
Seaboard System
(Gray/Yellow/Red)-Floating Bolster Trucks |
2756 |
8285 |
Seaboard System (Gray/Yellow/Red)-Floating Bolster
Trucks |
No# |
8286 |
Western Pacific
(Green/Orange)-Blomberg Trucks |
2251 |
8287 |
Western Pacific (Green/Orange)-Blomberg Trucks |
2263 |
October 2000
MSRP: $99.95 |
HO U23B Locomotive - New Paint Schemes |
8647 |
GUILFORD
MEC (Gray & Orange) |
280 |
8648 |
GUILFORD MEC (Gray
& Orange) |
288 |
8649 |
GUILFORD MEC (Gray
& Orange) |
No # |
8691 |
SANTA
FE (Warbonnet) |
6310 |
8692 |
SANTA FE (Warbonnet) |
6319 |
8693 |
SANTA FE (Warbonnet) |
No # |
8694 |
CHESSIE
SYSTEM (Blue, Yellow & Vermillion) |
2306 |
8695 |
CHESSIE SYSTEM (Blue,
Yellow & Vermillion) |
2314 |
8696 |
CHESSIE SYSTEM (Blue,
Yellow & Vermillion) |
No # |
8697 |
CSX
(Gray & Blue) |
3266 |
8698 |
CSX (Gray &
Blue) |
3270 |
8699 |
CSX (Gray &
Blue) |
No # |