Trailing wheel

（重定向自Trailing wheels）

A cross-sectional view of a rigid trailing truck

On a steam locomotive, a trailing wheel or trailing axle is generally an unpowered wheel or axle (wheelset) located behind the driving wheels. The axle of the trailing wheels is usually located in a trailing truck. On some large locomotives, a booster engine was mounted on the trailing truck to provide extra tractive effort when starting a heavy train and at low speeds on gradients.

单词	Trailing wheels
释义	Trailing wheels 英语例句库 The inspiration originated from the structure of "Proa", with ringent trailing wheels to maintain vehicle body's stability. 他的概念来自于三点式帆船，通过两个张开的后轮来保持车身的稳定性。英语百科 Trailing wheel （重定向自Trailing wheels） On a steam locomotive, a trailing wheel or trailing axle is generally an unpowered wheel or axle (wheelset) located behind the driving wheels. The axle of the trailing wheels is usually located in a trailing truck. On some large locomotives, a booster engine was mounted on the trailing truck to provide extra tractive effort when starting a heavy train and at low speeds on gradients.
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