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H21a 70-Ton Hoppers

The H21 hopper and its subclasses made up roughly half the fleet of hoppers owned by the Pennsylvania Railroad, the operators of the largest fleet of hoppers anywhere at the time. Out of over 80,000 total cars, the H21 types made up over 39,000, more than many railroads' entire equipment roster.
Originally designed as 50-ton coke cars, they were quickly upgraded to 70-ton capacity for coal service with heavier trucks and reinforced top sills, becoming class H21a. In the 20s all H21a hoppers were upgraded from their original drop-bottom "clamshell" doors to the more typical "sawtooth" style hopper doors (as on this model). This marginally increased capacity and halved the number of doors, reducing maintenance needed on the associated parts such as locks and hinges. The class had a very long service life from its introduction in 1909 with thousands lasting into the Penn Central era and even a few hundred surviving until the formation of Conrail in 1976. Over the years they wore many paintschemes, I've tried to include all of them in this pack.
Aside from the PRR, some other railroads and industries owned or leased cars of the type or similar. I've included all that I could find reasonable reference for.
PRR Skins:

• Pennsylvania, One-Line - The original as-delivered paint scheme with early style lettering
  
• Pennsylvania, Lines West - Similar to the above but lettered for "Pennsylvania Lines" the subsidiary of the PRR which operated West of Pittsburgh
  
• Pennsylvania, Two-Line - Introduced in the mid 20's, this scheme moved the horizontal line from under to above the road name, and added another line below the number
  
• Pennsylvania, Circle Keystone - The iconic scheme introduced in 1930 and the standard through the mid 50s. Same as two line with the circle keystone herald at the other end of the car. 3 numbers of this scheme with some paint variation included.
  
• Pennsylvania, Coal Goes to War - A variant of the Circle Keystone scheme briefly applied to some cars during WWII
  
• Pennsylvania, Shadow Keystone - Introduced in the mid 1950s with the roadname centered in large text on the side of the car, and a large keystone logo with drop-shadow
  
• Pennsylvania, Plain Keystone - A simplification of Shadow Keystone, the car is painted all black rather than the earlier red
  
• Pennsylvania, Gothic - Introduced in the early 1960s, this scheme was a further simplification with the full roadname replaced by simple reporting marks in Gothic style lettering
  
• Pennsylvania, Ore Service - This variant of the Gothic scheme has one end of the car painted green to indicate that the car is assigned to dedicated iron ore service
  
• Penn Central - One of the greatest railroads in the world!

Other Skins

• Baltimore & Ohio - The B&O W-1 class was built to a very similar design
  
• Baltimore & Ohio, Coke Service - Like the H21, the W-1 was also originally a coke car. This one is lettered as such
  
• Bethlehem Steel - Built clones of the H25 class, a slightly improved H21, for its own use to bring coal from the mines to the mills
  
• Emmons Coal Co. - Purchased H25 clones as well
  
• Virginian - Leased a number of H21 hoppers from the PRR during the WWII coal surge
  
• Norfolk & Western - Leased a number of H21 hoppers from the PRR in the early 1950s
  
• Reading - While the Reading didn't own or lease any H21s, they did have a class of 4 bay hoppers of similar size and era. Included a skin for some more variety
  
• Lehigh Valley - Likewise, the LV didn't have H21s, but they did have somewhat similar hoppers. Included a skin for some more variety
  
• Generic, Colorable - A plain H21a that you can paint whatever color you want

Due to the wide variety of eras covered by these schemes, especially the PRR ones, I've broken the randomizer down by each decade to try to keep the skins which appear together more appropriate. Skins will show up in the randomizer for the decade in which they were introduce, and generally stick around for a decade after the date they were phased out to represent older cars the haven't been repainted yet. There's also an "all skins" randomizer if you really want to embrace the chaos and have Penn Central and Lines West side by side.

Top Speed: 45 mph
Capacity: 18
Cargo Types: Coal, Stone, Iron Ore
Weight: 25 tons
Available: 1909-1976

Note: The cars will appear loaded to different levels depending on their cargo. Stone is slightly heavier than coal, and iron ore is much heavier. While the cars may appear less than half full when loaded with ore, they're loaded to capacity. 70 tons is 70 tons even if it takes up less space. You'll still move the same number of units of cargo and be paid fully for any cargo type, it's a purely visual detail.