Coupling rod

（重定向自Side rod）

Hinged side rods connecting the driving wheels of a 4-8-4 locomotive.

Counterweight on a small outside-frame dual-mode Electro-diesel locomotive, a Swiss Tem II shunter.

A coupling rod or side rod connects the driving wheels of a locomotive. Steam locomotives in particular usually have them, but some diesel and electric locomotives, especially older ones and shunters, also have them. The coupling rods transfer the power to all the wheels.

单词	Side rod
释义	Side rod 英语百科 Coupling rod （重定向自Side rod） A coupling rod or side rod connects the driving wheels of a locomotive. Steam locomotives in particular usually have them, but some diesel and electric locomotives, especially older ones and shunters, also have them. The coupling rods transfer the power to all the wheels.
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