Home > HO Scale > HO Scale Locomotives > HO Scale Diesel >   Atlas Silver Series HO 8075, B30-7, CSX #5508
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Description Extended Information / Video   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. There were three distinct "phases" of GE 4-axle "Dash 7" locomotive production. This model represents the "Phase 2" units with a 37' 2" wheel base. Phase 2 production lasted from the Spring of 1979 through the Fall of 1980.   Features DCC-Ready (NMRA 8-pin plug) 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

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