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JGR/JNR 0-6-6-0 No. 9753 was built around 1912 (most likely by ALCO) as a pusher for steeply graded lines. Unlike later articulated locomotives such as the Union Pacific Big Boy, No. 9753 was a true Mallet, being a compound locomotive with low-pressure front cylinders and high-pressure rear cylinders. A model of No. 9753 is on display at the Hara Model Railway Museum.
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Dec 12, 2014, 10:24:38 PM
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Thanks! Perhaps it's a bit more like Old Maude, as it's a slow-moving pusher. I'd like to have seen a Challenger trying to climb the Japanese Alps; they're not as tall as the Rockies, but still a challenge for any train, car, motorcycle, or bicycle.
There were three classes: 9750 (ALCO), 9800 (Baldwin), and 9850 (Henschel). They were used on some steeply graded, sharply curved routes such as the mountainous Gotemba Line. No. 9856 is preserved at the Saitama Railway Museum, so I will try to get a good shot of it next time I am there.
Yes. Mallet type steam locomotives (type 9750, 9800 and 9850) had worked between 1913 and 1933, they were worked at steep sections (such as Yamakita-Numazu: former Tokaido-line, now is a part of Gotemba line). They were imported from United states and Germany. Only one Mallet locomotive (9856 with cut model) has been preserved and we can see at Saitama Railway Museum.