Atlas HO B23-7/30-7 Locomotives

General Electric’s “Dash 7” locomotive line was introduced as a replacement for the older “Universal-Series” of the 60s and early 70s. “Dash 7” series improvements included increased fuel efficiency, tractive effort and reliability. The B23-7 was a direct replacement for the 2,250HP U23B model, while the B30-7 replaced the 3,000HP U30B. The first B23-7s were produced for Conrail in September, 1977, and the first B30-7s were produced for Frisco three months later.

B23-7 production continued through 1984, with a total of 535 units built. Conrail was the largest purchaser of the model, with a total fleet of 141 units. 199 B30-7s were produced through 1981, with the combined fleets of Southern Pacific and Cotton Belt being the largest at 110 units.

Several features distinguished B23-7s and B30-7s from predecessor models. The long hood stepped outward in the area of the exhaust stack to accommodate a relocated oil cooler. In addition, the frame was 2 feet longer than that of the U23B. An FB-2 style truck was offered as standard equipment, but some railroads opted to use “trade-in” trucks. Therefore, AAR type B and Blomberg trucks could be found on some models. Six power assembly doors (located near the center of the long hood) indicated that the B23-7 was powered by a 12-cylinder GE FDL engine. Eight power assembly doors in the same location help to identify the B30-7, which included a 16-cylinder FDL engine.

Features:

The Atlas B23-7 and B30-7 locomotive models include such optional/road name specific details as:

  • Pilots with and without anti-climber
  • Cab headlights or low-nose headlights
  • Cab with 4 or 2 side windows
  • Bell mounted under the sill or on the long hood
  • FB-2, AAR type B, or Blomberg truck side-frames used where appropriate per road name

Additional Features:

  • Separately-applied scale detail parts include: windshield wipers, metal grab irons, coupler cut levers, multiple-unit hoses, snow plow, train line hoses, fine scale handrails, and more!
  • See through step detail on sill
  • Etched metal radiator grilles
  • Painted crew members
  • Factory-equipped with AccuMate® knuckle couplers
  • Coupler pocket designed to accept AccuMate® Proto-couplers
  • Five-pole skewed armature motor with dual flywheels for optimum performance at all speeds
  • Directional lighting

Atlas Master™ Series Silver Additional Features:

  • NMRA 8-pin plug for DCC (Decoder-ready)

Atlas Master™ Series Gold Additional Features:

  • Sound equipped

AccuMate® couplers are made under license from AccuRail, Inc.

Check availability of this product on the Atlas Online Store

Silver Item# Road Name Road Number Gold Item#
March 2015
Silver MSRP: $169.95 Gold MSRP: $279.95
HO B23-7 Locomotives
10 002 050 Undecorated - "Phase 1" (Low Nose with Nose H/L, no anticlimber) - 10 002 061
10 002 051 Undecorated - "Phase 2" (Low Nose w/o Nose H/L, no anticlimber) - 10 002 062
New Paint Schemes!
10 002 052 CSX* (Gray/Yellow "yg") 3100 10 002 063
10 002 053 CSX* (Gray/Yellow "yg") 3143 10 002 064
10 002 054 CSX (Gray/Yellow "y") 3103 10 002 065
10 002 055 CSX (Gray/Yellow "y") 3109 10 002 066
10 002 056 Missouri Pacific (Yellow/Gray/Red) 4611 10 002 067
10 002 057 Missouri Pacific (Yellow/Gray/Red) 4619 10 002 068
10 002 058 Missouri Pacific (Yellow/Gray/Red) 4627 10 002 069
10 002 059 NdeM (Green/Red/Yellow) 9131 10 002 070
10 002 060 NdeM (Green/Red/Yellow) 9138 10 002 071
HO B30-7 Locomotives
10 002 072 Undecorated - "Phase 1" (Low Nose with Nose H/L, no anticlimber) - 10 002 083
10 002 073 Undecorated - "Phase 2" (Low Nose w/o Nose H/L, no anticlimber)   10 002 084
New Road Numbers!
10 002 074 Chessie System (C&O) (Yellow/Blue/Orange) 8267 10 002 085
10 002 075 Chessie System (C&O) (Yellow/Blue/Orange) 8274 10 002 086
10 002 076 Chessie System (C&O) (Yellow/Blue/Orange) 8277 10 002 087
New Paint Schemes!
10 002 077 Cotton Belt (Scarlet/Gray "Speed Lettering") 7777 10 002 088 
10 002 078 Cotton Belt (Scarlet/Gray "Speed Lettering") 7788 10 002 089
10 002 079 Southern Pacific Scarlet/Gray "Speed Lettering") 7823 10 002 090
10 002 080 Southern Pacific Scarlet/Gray "Speed Lettering") 7850 10 002 091
10 002 081 East Penn Railway (Blue/Yellow) 7811 10 002 092
10 002 082 East Penn Railway (Blue/Yellow) 7874 10 002 093
Item# Road Name Road Number
January 2009
Silver Series MSRP: $179.95 Gold Series MSRP: $289.95
HO B23-7 Locomotive (Low Nose) - New Paint Schemes!
Atlas Master Series Silver - (Without Decoder and Sound) [DCC Ready]
8005 Undecorated - "Phase 2" Low Nose without Nose H/L -
8080 Arkansas-Oklahoma Railroad (Red/Yellow) 4059
8081 Arkansas-Oklahoma Railroad (Red/Yellow) 4061
8082 FNM (Blue/Orange)  9141
8083 FNM (Blue/Orange)  9152
8084 FNM (Blue/Orange)  9157
8085 Metro-North (Red/Blue/Silver) 801
8086 Metro-North (Red/Blue/Silver) 802
8087 Metro-North (Red/Blue/Silver) 807
HO B23-7 Locomotive (Low Nose) - New Road Numbers!
Atlas Master Series Silver - (Without Decoder and Sound) [DCC Ready]
8088 Santa Fe (Blue/Yellow) 6366
8089 Santa Fe (Blue/Yellow) 6372
8090 Santa Fe (Blue/Yellow) 6379
HO B23-7 Locomotive (High Nose) - New Paint Schemes!
Atlas Master Series Silver - (Without Decoder and Sound) [DCC Ready]
8004 Undecorated - "Phase 1" High Short Hood -
8091 Franklin Industrial Minerals‡ (Gray/Red) 4021
8092 Franklin Industrial Minerals‡ (Gray/Red) 4023
HO B23-7 Locomotive (High Nose) - New Road Numbers!
Atlas Master Series Silver - (Without Decoder and Sound) [DCC Ready]
8093 Norfolk Southern (Black/White) 3976
8094 Norfolk Southern (Black/White) 3980
8095 Norfolk Southern (Black/White) 3985
8096 Southern (Black/Imit. Aluminum) 3970
8097 Southern (Black/Imit. Aluminum) 3978
8098 Southern (Black/Imit. Aluminum) 3989
HO B23-7 Locomotive (Low Nose) - New Paint Schemes!
Atlas Master Series Gold (With Decoder & Sound)
8105 Undecorated - "Phase 2" Low Nose without Nose H/L -
8180 Arkansas-Oklahoma Railroad (Red/Yellow) 4059
8181 Arkansas-Oklahoma Railroad (Red/Yellow) 4061
8182 FNM (Blue/Orange)  9133
8183 FNM (Blue/Orange)  9153
8184 FNM (Blue/Orange)  9173
8185 Metro-North (Red/Blue/Silver) 801
8186 Metro-North (Red/Blue/Silver) 802
8187 Metro-North (Red/Blue/Silver) 807
HO B23-7 Locomotive (Low Nose) - New Road Numbers!
Atlas Master Series Gold (With Decoder & Sound)
8188 Santa Fe (Blue/Yellow) 6371
8189 Santa Fe (Blue/Yellow) 6378
8190 Santa Fe (Blue/Yellow) 6381
HO B23-7 Locomotive (High Nose) - New Paint Schemes!
Atlas Master Series Gold (With Decoder & Sound)
8104 Undecorated - "Phase 1" High Short Hood -
8191 Franklin Industrial Minerals‡ (Gray/Red) 4021
8192 Franklin Industrial Minerals‡ (Gray/Red) 4023
HO B23-7 Locomotive (High Nose) - New Road Numbers!
Atlas Master Series Gold (With Decoder & Sound)
8193 Norfolk Southern (Black/White) 3977
8194 Norfolk Southern (Black/White) 3983
8195 Norfolk Southern (Black/White) 3984
8196 Southern (Black/Imit. Aluminum) 3973
8197 Southern (Black/Imit. Aluminum) 3979
8198 Southern (Black/Imit. Aluminum) 3988
July 2007
Silver Series MSRP: $149.95 Gold Series MSRP: $259.95
HO B23-7 Locomotives - New Paint Schemes! (Atlas Master Series Silver)
(Without Decoder and Sound) [DCC Ready]
8005 Undecorated - "Phase 2" Low Nose without Nose H/L -
8062 Conrail (Keep it Moving) (Blue/White) 1980
8063 Conrail (Blue/White) 1971
8064 Conrail (Blue/White) 1987
8065 Minnesota Commercial (Red/White/Black) 1971
8066 Minnesota Commercial (Red/White/Black) 1978
8067 Minnesota Commercial (Red/White/Black) 1983
8068 Missouri Pacific (Blue/White) 4643
8069 Missouri Pacific (Blue/White) 4661
8070 Southern Pacific (Gray/Scarlet) 5103
8071 Southern Pacific (Gray/Scarlet) 5110
8072 Southern Pacific (Gray/Scarlet) 5112
8073 Union Pacific (Yellow/Gray/Red) 158
8074 Union Pacific (Yellow/Gray/Red) 166
HO B30-7 Locomotives - New Paint Schemes! (Atlas Master Series Silver)
(Without Decoder and Sound) [DCC Ready]
8008 Undecorated - "Phase 2" Low nose with Nose H/L -
8075 CSX* "Transportation"(Blue/Gray "Stripe") 5508
8076 CSX* "Transportation"(Blue/Gray "Stripe") 5511
8077 Seaboard System* (Gray/Red/Yellow) 5500
8078 Seaboard System* (Gray/Red/Yellow) 5505
8079 Seaboard System* (Gray/Red/Yellow) 5516
HO B23-7 Locomotives - New Paint Schemes! (Atlas Master Series Gold)
(With Decoder & Sound)
8105 Undecorated - "Phase 2" Low Nose without Nose H/L -
8162 Conrail (Keep it Moving) (Blue/White) 1980
8163 Conrail (Blue/White) 1967
8164 Conrail (Blue/White) 1984
8165 Minnesota Commercial (Red/White/Black) 1971
8166 Minnesota Commercial (Red/White/Black) 1978
8167 Minnesota Commercial (Red/White/Black) 1983
8168 Missouri Pacific (Blue/White) 4659
8169 Missouri Pacific (Blue/White) 4665
8170 Southern Pacific (Gray/Scarlet) 5105
8171 Southern Pacific (Gray/Scarlet) 5108
8172 Southern Pacific (Gray/Scarlet) 5113
8173 Union Pacific (Yellow/Gray/Red) 144
8174 Union Pacific (Yellow/Gray/Red) 152
HO B30-7 Locomotives - New Paint Schemes! (Atlas Master Series Gold)
(With Decoder & Sound)
8108 Undecorated - "Phase 2" Low nose with Nose H/L -
8175 CSX* "Transportation"(Blue/Gray "Stripe") 5508
8176 CSX* "Transportation"(Blue/Gray "Stripe") 5511
8177 Seaboard System* (Gray/Red/Yellow) 5502
8178 Seaboard System* (Gray/Red/Yellow) 5509
8179 Seaboard System* (Gray/Red/Yellow) 5515
August 2006
Silver Series MSRP: $149.95 Gold Series MSRP: $259.95
HO B23-7 Locomotives - New Paint Schemes! (Atlas Master Series Silver)
(Without Decoder and Sound) [DCC Ready]
8005 Undecorated - "Phase 2" Low Nose w/o Nose Headlight -
8045 BNSF (Green/Orange/Yellow) 4231
8046 BNSF (Green/Orange/Yellow) 4247
8047 Conrail Quality (Blue/White) 1971
8048 Conrail Quality (Blue/White) 1989
8049 Conrail Quality (Blue/White) 2004
8050 Finger Lakes Railway (Black/White) "Lightning Stripe" 2301
8051 Finger Lakes Railway (Black/White) "Lightning Stripe" 2303
8052 Santa Fe "Kodachrome" (Red/Yellow/Black) 6365
8053 Santa Fe "Kodachrome" (Red/Yellow/Black) 6373
8054 Santa Fe "Kodachrome" (Red/Yellow/Black) 6396
HO B30-7 Locomotives - New Paint Schemes! (Atlas Master Series Silver)
(Without Decoder and Sound) [DCC Ready]
8006 Undecorated - "Phase 2" Low Nose w/o Nose Headlight -
8007 Undecorated - "Phase 2" Low Nose w/Nose & Cab H/L -
8055 CSX* (Blue/Gray/Yellow) 5510
8056 CSX* (Blue/Gray/Yellow) 5549
8057 CSX* (Blue/Gray/Yellow) 5555
8058 Cotton Belt† (Scarlet/Gray) 7770
8059 Cotton Belt† (Scarlet/Gray) 7798
8060 Southern Pacific† (Scarlet/Gray) 7865
8061 Southern Pacific† (Scarlet/Gray) 7883
HO B23-7 Locomotives - New Paint Schemes! (Atlas Master Series Gold)
(With Decoder & Sound)
8105 Undecorated - "Phase 2" Low Nose w/o Nose Headlight -
8145 BNSF (Green/Orange/Yellow) 4230
8146 BNSF (Green/Orange/Yellow) 4242
8147 Conrail Quality (Blue/White) 1965
8148 Conrail Quality (Blue/White) 2002
8149 Conrail Quality (Blue/White) 2011
8150 Finger Lakes Railway (Black/White) "Lightning Stripe" 2301
8151 Finger Lakes Railway (Black/White) "Lightning Stripe" 2303
8152 Santa Fe "Kodachrome" (Red/Yellow/Black) 6374
8153 Santa Fe "Kodachrome" (Red/Yellow/Black) 6388
8154 Santa Fe "Kodachrome" (Red/Yellow/Black) 6404
HO B30-7 High Nose Locomotives - New Paint Schemes! (Atlas Master Series Gold)
(With Decoder & Sound)
8106 Undecorated - "Phase 2" Low Nose w/o Nose Headlight -
8107 Undecorated - "Phase 2" Low Nose w/Nose & Cab H/L -
8155 CSX* (Blue/Gray/Yellow) 5515
8156 CSX* (Blue/Gray/Yellow) 5551
8157 CSX* (Blue/Gray/Yellow) 5560
8158 Cotton Belt† (Scarlet/Gray) 7782
8159 Cotton Belt† (Scarlet/Gray) 7788
8160 Southern Pacific† (Scarlet/Gray) 7878
8161 Southern Pacific† (Scarlet/Gray) 7880
September 2005
Silver Series MSRP: $149.95 Gold Series MSRP: $259.95
HO B30-7 Locomotives - New Model! (Atlas Master Series Silver)
(Without Decoder and Sound) [DCC Ready]
8003 Undecorated - "Phase 1" Low nose without Nose H/L, AAR Trucks -
8025 Burlington Northern (Green/White/Black) 5485
8026 Burlington Northern (Green/White/Black) 5488
8027 Burlington Northern (Green/White/Black) No#
8028 Chessie System* (C&O) (Blue/Yellow/Vermillion) 8241
8029 Chessie System* (C&O) (Blue/Yellow/Vermillion) 8250
8030 Chessie System* (C&O) (Blue/Yellow/Vermillion) No#
8031 Frisco (Red/White) 863
8032 Frisco (Red/White) 866
8033 Frisco (Red/White) No#
HO B23-7 Locomotives - New Road Names! (Atlas Master Series Silver)
(Without Decoder and Sound) [DCC Ready]
8000 Undecorated - "Phase 1" Low Nose, Without Nose H/L, AAR Trucks -
8001 Undecorated - "Phase 1" Low Nose, Without Nose H/L, FB-2/Blomberg Trucks -
8002 Undecorated - "Phase 1" Low Nose With Nose H/L, FB-2/Blomberg Trucks -
8034 Family Lines* (L&N) (Gray/Red/Yellow) 5115
8035 Family Lines* (L&N) (Gray/Red/Yellow) 5121
8036 Family Lines* (L&N) (Gray/Red/Yellow) No#
8037 Providence & Worcester (Brown/Orange) 2201
8038 Providence & Worcester (Brown/Orange) 2212
HO B23-7 High Nose Locomotives - New Model! (Atlas Master Series Silver)
(Without Decoder and Sound) [DCC Ready]
8004 Undecorated - Phase 1 High Short Hood FB-2 Trucks -
8039 Norfolk Southern (Black/White) 3975
8040 Norfolk Southern (Black/White) 3989
8041 Norfolk Southern (Black/White) No#
8042 Southern (Black/Imitation Aluminum/Gold) 3971
8043 Southern (Black/Imitation Aluminum/Gold) 3982
8044 Southern (Black/Imitation Aluminum/Gold) No#
HO B30-7 Locomotives - New Model! (Atlas Master Series Gold)
(With Decoder & Sound)
8103 Undecorated - "Phase 1" Low nose without Nose H/L, AAR Trucks -
8125 Burlington Northern (Green/White/Black) 5489
8126 Burlington Northern (Green/White/Black) 5490
8127 Burlington Northern (Green/White/Black) No#
8128 Chessie System* (C&O) (Blue/Yellow/Vermillion) 8245
8129 Chessie System* (C&O) (Blue/Yellow/Vermillion) 8254
8130 Chessie System* (C&O) (Blue/Yellow/Vermillion) No#
8131 Frisco (Red/White) 864
8132 Frisco (Red/White) 870
8133 Frisco (Red/White) No#
HO B23-7 Locomotives - New Road Names! (Atlas Master Series Gold)
(With Decoder & Sound)
8100 Undecorated - "Phase 1" Low Nose, Without Nose H/L, AAR Trucks -
8101 Undecorated - "Phase 1" Low Nose, Without Nose H/L, FB-2/Blomberg Trucks -
8102 Undecorated - "Phase 1" Low Nose With Nose H/L, FB-2/Blomberg Trucks -
8134 Family Lines* (L&N) (Gray/Red/Yellow) 5118
8135 Family Lines* (L&N) (Gray/Red/Yellow) 5126
8136 Family Lines* (L&N) (Gray/Red/Yellow) No#
8137 Providence & Worcester (Brown/Orange) 2213
8138 Providence & Worcester (Brown/Orange) 2214
HO B23-7 High Nose Locomotives - New Model! (Atlas Master Series Gold)
(With Decoder & Sound)
8104 Undecorated - Phase 1 High Short Hood, FB-2 Trucks -
8139 Norfolk Southern (Black/White) 3981
8140 Norfolk Southern (Black/White) 3987
8141 Norfolk Southern (Black/White) No#
8142 Southern (Black/Imitation Aluminum/Gold) 3972
8143 Southern (Black/Imitation Aluminum/Gold) 3980
8144 Southern (Black/Imitation Aluminum/Gold) No#
December 2004
Silver Series MSRP: $139.95 Gold Series MSRP: $249.95
HO B23-7 Locomotive - Atlas Master Series Silver
(Without Decoder and Sound) [DCC Ready]
8000 Undecorated - "Phase 1" Low Nose, Without Nose Headlight, AAR-B Trucks  
8001 Undecorated - "Phase 1" Low Nose, Without Nose Headlight, FB-2 & Blomberg Trucks  
8002 Undecorated - "Phase 1" Low Nose With Nose Headlight, FB-2 & Blomberg Trucks  
8010 Conrail (Blue/White) 2808
8011 Conrail (Blue/White) 2813
8012 Conrail (Blue/White) No#
8013 CSX* (Gray/Blue/Yellow - "Bright Future") 3102
8014 CSX* (Gray/Blue/Yellow - "Bright Future") 3113
8015 CSX* (Gray/Blue/Yellow - "Bright Future") No#
8016 Missouri Pacific†(Blue/White) 2289
8017 Missouri Pacific† (Blue/White) 2295
8018 Missouri Pacific† (Blue/White) No#
8019 Santa Fe (Blue/Yellow) 6350
8020 Santa Fe (Blue/Yellow) 6358
8021 Santa Fe (Blue/Yellow) No#
8022 Union Pacific† (Yellow/Gray/Red) 101
8023 Union Pacific† (Yellow/Gray/Red) 106
8024 Union Pacific† (Yellow/Gray/Red) No#
HO B23-7 Locomotive - Atlas Master Series Gold
(With Decoder & Sound)
8100 Undecorated - "Phase 1" Low Nose, Without Nose Headlight, AAR-B Trucks  
8101 Undecorated - "Phase 1" Low Nose, Without Nose Headlight, FB-2 & Blomberg Trucks  
8102 Undecorated - "Phase 1" Low Nose With Nose Headlight, FB-2 & Blomberg Trucks  
8110 Conrail (Blue/White) 2810
8111 Conrail (Blue/White) 2816
8112 Conrail (Blue/White) No#
8113 CSX* (Gray/Blue/Yellow - "Bright Future") 3106
8114 CSX* (Gray/Blue/Yellow - "Bright Future") 3126
8115 CSX* (Gray/Blue/Yellow - "Bright Future") No#
8116 Missouri Pacific†(Blue/White) 2293
8117 Missouri Pacific† (Blue/White) 2296
8118 Missouri Pacific† (Blue/White) No#
8119 Santa Fe (Blue/Yellow) 6354
8120 Santa Fe (Blue/Yellow) 6360
8121 Santa Fe (Blue/Yellow) No#
8122 Union Pacific† (Yellow/Gray/Red) 103
8123 Union Pacific† (Yellow/Gray/Red) 109
8124 Union Pacific† (Yellow/Gray/Red) No#
*CSX Licensed Product †Union Pacific Licensed Product