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  2. Pennsylvania Railroad class J1 - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Railroad_class_J1

    Pennsylvania Railroad class J1. Water cap. 124 scrapped, 6435 rumored to still extant but not confirmed. The PRR J1 was a class of 2-10-4 "Texas" type steam locomotives built between 1942 and 1944. The J1 had over 95,000 pounds-force (422.6 kN) of tractive effort, plus an additional 15,000 lbf (66.7 kN) if the booster engine was used.

  3. 2-10-4 - Wikipedia

    en.wikipedia.org/wiki/2-10-4

    2-10-4. Under the Whyte notation for the classification of steam locomotives, a 2-10-4 locomotive has two leading wheels on one axle, usually in a Bissel truck, ten coupled driving wheels on five axles, and four trailing wheels on two axles, usually in a bogie. These were referred to as the Texas type in most of the United States, the Colorado ...

  4. 4-8-4+4-8-4 - Wikipedia

    en.wikipedia.org/wiki/4-8-4+4-8-4

    4-8-4+4-8-4. Under the Whyte notation for the classification of steam locomotives by wheel arrangement, the 4-8-4+4-8-4 is a Garratt locomotive. The wheel arrangement is effectively two 4-8-4 locomotives operating back to back, with the boiler and cab suspended between the two engine units. Each engine unit has two pairs of leading wheels in a ...

  5. New York Central Mohawk - Wikipedia

    en.wikipedia.org/wiki/New_York_Central_Mohawk

    The New York Central Railroad (NYC) called the 4-8-2 type of steam locomotive the Mohawk type. It was known as the Mountain type on other roads, but the New York Central did not see the name as fitting on its famous Water Level Route. Instead, it picked the name of one of those rivers its rails followed, the Mohawk River, to name its newest ...

  6. USRA Light Santa Fe - Wikipedia

    en.wikipedia.org/wiki/USRA_Light_Santa_Fe

    USRA Light Santa Fe. Factor of adh. The USRA Light Santa Fe was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. These locomotives were of 2-10-2 wheel arrangement in the Whyte notation, or 1′E1′ in UIC ...

  7. Brinell scale - Wikipedia

    en.wikipedia.org/wiki/Brinell_scale

    The "10" is the ball diameter in millimeters. The "3000" is the force in kilograms force. The hardness may also be shown as XXX HB YYD 2. The XXX is the force to apply (in kgf) on a material of type YY (5 for aluminum alloys, 10 for copper alloys, 30 for steels). Thus a typical steel hardness could be written: 250 HB 30D 2. It could be a ...

  8. Category:4-8-4 locomotives - Wikipedia

    en.wikipedia.org/wiki/Category:4-8-4_locomotives

    Santa Fe 3751. Santa Fe 3759. Santa Fe Class 2900. South African Class 25 4-8-4. South African Class 25NC 4-8-4. South African Class 26 4-8-4. South Australian Railways 500 class (steam) South Australian Railways 520 class. Southern Pacific 4449.

  9. Category:4-8-2 locomotives - Wikipedia

    en.wikipedia.org/wiki/Category:4-8-2_locomotives

    Category. : 4-8-2 locomotives. Help. Front of locomotive at left. Wikimedia Commons has media related to 4-8-2 locomotives. Locomotives classified 4-8-2 under the Whyte notation of locomotive axle arrangements. The equivalent UIC classification of locomotive axle arrangements is 2D1 or 2'D1'.