Last Updated：2025/12/07

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(rail transport, US) A railroad gradient where helper locomotives are required to assist the train locomotives.

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helper grade

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Source Word

helper grade

Noun

(rail transport, US) A railroad gradient where helper locomotives are required to assist the train locomotives.

Japanese Meaning

（鉄道用語）主要な機関車の牽引力だけでは十分でなく、追加の補助機関車（ヘルパー）が必要となる急な勾配部分。

What is this buttons?

The freight train stalled on the helper grade before the crew could add two additional locomotives.

Google Translation / DeepL Translation

乗務員が補助機関車を2台増やす前に、貨物列車は補助機関車が必要な急勾配で立ち往生した。

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Sense（1）

(rail transport, US) A railroad gradient where helper locomotives are required to assist the train locomotives.

On February 5-6, 1960, this westbound train made its run in 25 hr. 40 min. despite falling temperatures, fog, rain, sleet and snow; a 1 in 54 helper grade to the summit of the Alleghenies; and a load of 55 cars carrying 100 trailers for a gross tonnage of 3,856 tons.

Google Translation / DeepL Translation

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helper grades

（ plural ）

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helper grade

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helper grade

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