Covered Hopper

How are covered hoppers loaded?

Covered hoppers are loaded from above and unloaded from the bottom of the rail car. The roofs of covered hopper cars have airtight hatches that can be opened during loading, then closed to protect the product during transit. There are three types of hatch covers: round, trough and hybrid.

UP: What Is a Covered Hopper Rail Car? - Union Pacific

How much does a covered hopper weigh?

Commodities: Cement, Roofing Granules, Sand

UP: Covered Hoppers - Union Pacific

What is a covered hopper car?

A covered hopper is a self-clearing enclosed railroad freight car with fixed roof, sides, and ends with openings for loading through the roof and bottom openings for unloading. Covered hopper cars are designed for carrying dry bulk loads, varying from grain to products such as sand and clay.

Covered hopper - Wikipedia

When were covered hoppers invented?

Both the ACF design and the PS-2 were duplicated by other car builders. Among the first true covered hoppers were the carbon black cars, first appearing in 1933. Being mainly welded and so long (45 feet) for a covered hopper in the steam-era, they seem out of place for their time.

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