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A Boxpok is a steam locomotive wheel that gains its strength through being made of a number of box sections rather than having traditional solid spokes...

of the first Boxpok driver, July 8. The campaign is completed on August 7, raising $2,577 over the intended $20,000 goal. 2015: Boxpok driver center...

section. They are considerably lighter than a conventional spoked wheel or Boxpok wheel of the same size and strength. SCOA-P wheels were developed in the...

referred to as a Boxpok in reference to the wheel used by a number of US railway companies. The BFB is visually similar to the Boxpok, but is of a different...

Lebed, "Swan." The L class 2-10-0 was the first Soviet locomotive to use Boxpok-type wheels, which were commonplace in steam locomotive design post-World...

skirting over the driving wheels omitted. The 5500's were all equipped with Boxpok driving wheels, rather than the Baldwin Discs used on the prototypes. With...

eight examples (502, 504, 508, 509, 511, 513, 517, 518) were fitted with Boxpok wheels made of cast iron, like those already used in the Soviet Union and...

These locomotives were unnamed and saw many changes to the original design. Boxpok driving wheels, which offered better counterbalancing, were used in place...

which filled the tight Japanese loading gauge. They were equipped with Boxpok driving wheels and used several American-style appliances, even though they...

1937 Boxpok wheels Mantetsu - パシハ7–パシハ16 Shahekou Works 1940 Improved version; Boxpok wheels Manchukuo National - パシハ501 Shahekou Works 1940 Boxpok wheels...

design, the HP prototype was identical to the OR21s, as it came with all-boxpok driving wheels (diameter of 1,500 millimetres (59 in), flangeless center...

evolution of the design, with German "Witte"-style smoke deflectors, and boxpok wheels. With industrial action in the late 1940s threatening black coal...

the original 73-inch (1.9 m) spoked driving wheels with 80-inch (2.0 m) boxpok wheels, a new frame, Timken roller bearings on all axles, and more. That...

locomotive incorporated a cast steel chassis. The design also sported cast Boxpok coupled wheels for better rotational balance, and a Delta trailing truck...

March 1939 with boxpok wheels only on the second driving axle, while on September 21, 1941, it was reportedly caught having the boxpok wheels on the first...

Strumming with the rhythm that the drivers made." AAR wheel arrangement Boxpok Drive axle Sprocket wheel UIC classification Whyte notation Fowler, George...

rebuilt with more modern features, including new 80-inch-diameter (2,030 mm) Boxpok driving wheels, wider steam passages to and from the cylinders, the boiler...

drawings show various names, numbers and liveries, and were drawn with Boxpok-type wheels. The final design was for a 4-6-0 wheel arrangement locomotive...

the 141 R 1101–1340 were the only SNCF steam locomotives equipped with Boxpok wheels, and roller bearings on all the driving and coupled axles, as well...

(210 psi (1,400 kPa), a lower axle loading (15 tonnes (33,000 lb), and all boxpok driving wheels. The new class was originally designated as the GN (Chinese:...

to be rebuilt with the application of a new valve gear frame, a middle Boxpok driving axle, lightweight roller bearing rods, roller bearing trailing bogies...

971–974, 976-997 and 999. Late in their life, five of the A2s also received Boxpok driving wheels as their conventional spoked wheels began to suffer fatigue...

turntables, thus broadening its operational range. Wheel design: The D51 adopted boxpok wheels, which distributed force more evenly across the wheel circumference...

Erie Railroad 10 K-5A 2935-2944 1923 Built by Baldwin. All upgraded with Boxpok driving wheels 1951-1952 Erie Railroad 1 K-5B 2960 1926 Built by Baldwin...

the second order of K class locomotives built in 1940-46 were fitted with Boxpok wheels. The introduction of the T class (EMD G8) diesel electric locomotive...

and heavier. The 2600's were equipped with 70-inch (1,800 mm) diameter Boxpok and Baldwin spoke driving wheels, 28-by-30-inch (710 mm × 760 mm) cylinders—which...

Bulleid Firth Brown (or BFB) wheel, often incorrectly confused with the Boxpok wheel. This had some features of the wobbly web, being developed from a...

casting, rather than being assembled in sections, as with the American Boxpok design. Firth Brown were able to meet all these requirements, developing...

Baldwin L-1s, these new locomotives had many modern improvements such as Boxpok driving wheels, multiple-bearing crossheads, and Timken roller bearings...

design before the American influence of high running boards, bar frames and boxpok wheels became the norm. The Su retained such features as a clerestory skylight...

and heavier. The 2600's were equipped with 70-inch (1,800 mm) diameter Boxpok and Baldwin spoke driving wheels, 28-by-30-inch (710 mm × 760 mm) cylinders—which...

semi-streamlined design with yellow skirting panels, a bullet nose cone, boxpok drivers, and a large semi-Vanderbilt tender holding 16 tonnes (16,000 kg)...

(210 psi (1,400 kPa)), a lower axle loading (15 tonnes (33,000 lb)), and all boxpok driving wheels. Their tender tanks, which carried 9.5 tonnes (21,000 pounds)...

SYs had different motion bracket arrangements, taller smokestacks, all boxpok driving wheels, a higher boiler pressure (210 psi (1,400 kPa), and a lower...

Hitachi, Nippon Sharyō 113 "New National Large Pashi" (新國小パシ). New to MNR 1937–1944 - - パシハ Pashiha 501 4-6-2 Shahekou 1 Boxpok wheels. New to MNR 1940....