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Catalog No. | 112 | ||
Category | Steam Locomotive | ||
Description | 4-6-4 Hudson (AC) | ||
Catalog References at myflyertrains.net | 1940 | 1941 | |
Remarks |
Characteristics |
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Boiler Shell Detailed (headlight) Reverse Unit DC Relay type |
Drivers A. Bakelite with Brass rims B. Die cast with insulator Couplers Truck mounted |
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According to Charles Sommer's Guide, all prewar Hudsons utilize an AC motor with a spur gear drive. Some may have been converted to DC power by substitution of a permanent magnet for the field coil, as shown below. Some writers have indicated that beginning in 1939 a vertical worm gear drive with an AC motor was used but this appears to be incorrect. The reverse unit is DC pulse activated, as was used in prewar Flyer O gauge, rather than a sequence type. The switch to truck mounted couplers coincided with the change in the Gilbert track radius from 24" to 16". Number on cab is a prototype number. Model number does not appear on unit. | |||
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![]() Diecast driver version - Courtesy of Joe King |
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This photo shows a standard Gilbert prewar AC motor with spur gearing. The drivers on this particular locomotive appear to be brass rimmed bakelite. This chassis came with a detailed boiler casting and is either a later model 200 or a model 112. | |||
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This photo shows a Gilbert prewar motor converted to DC operation by replacement of the field coil with a permanent magnet. Such conversion kits were offered by Mantua and Quaker City Model Railroad Shop. (Source: American Flyer HO by Charles J. Sommer) While not as obvious as the previous photo above, this engine also has brass rimmed bakelite drivers and could be either a later model 200 or a model 112. | |||
![]() Illustration from 1946 Mantua Handbook and Catalog (A reprint of the 1942 version) |
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![]() ![]() Above photos illustrate the DC activated reverse unit used in model 112 locomotives and later versions of the model 200 Photos Courtesy of Ed Goldin and Wayne Grassel |
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