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AL40002417 - Master B23-7 Southern 3978 (DCC-Fitted)
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Atlas 40002417 Master B23-7 Southern 3978 (DCC-Fitted)

AL40002417
Only £140.00 Currently in stock & available to ship
Brand: Atlas
Part Number: 40002417
Scale / Type: N Scale
Our Code: AL40002417

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. The first units were produced for Conrail in September, 1977 (ironically, 3 months after the last U23B was delivered to Conrail). 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.

Several features distinguished B23-7s 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 on B23-7s, but some railroads opted to use “trade-in” trucks. Therefore, AAR type B and Blomberg trucks could be found on some models. The 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.

There were three distinct “phases” of GE 4-axle “Dash 7” locomotive production. Models on this run represent both “phase 1” and "phase 2" units. Phase 1 units feature a 36’2” wheel base and were built through the Spring of 1979. Phase 2 units feature a 37' 2" wheel base, and production lasted from the Spring of 1979 through the Fall of 1980.

Features:
  • DCC Fitted
  • Slow speed motor
  • Directional lighting
  • Golden-white LEDs
  • Dual brass flywheels
  • Low-friction mechanism
  • Accurate painting and lettering
  • Factory-installed AccuMate® magnetic knuckle couplers

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