2-8-8-4 wheels. The locomotive's superstructure was attached to the rear group, while the forward group and leading truck could swing laterally on curves. All Yellowstones had fairly small drivers of . (For greater speeds, the Union Pacific Railroad chose a four-wheel leading truck and drivers of for its Big Boy 4-8-8-4 class.) Several classes of Yellowstone, especially the Duluth, Missabe and Iron Range's locomotives, are among the largest steam locomotives, with the exact ranking depending on the criteria used. The Northern Pacific Railway was the first railroad to order a 2-8-8-4. The first was built in 1928 by American Locomotive Company;
Quavers bags were in a different layout, being in Landscape style. Quavers' logo was changed slightly, and the flavours remained the same. In 2009, Quavers, Squares, Wotsits and French Fries had all changed their packaging again because of a reduction in calories. Quavers has 87 calories (Currently 86) in the Cheese flavour. In 2011, Quavers packaging updated to a brighter bag colour with the Walkers logo on the packets again. The primary ingredient in Quavers is potato starch. They are deep fried to give a snack with a similar texture to Krupuk (prawn crackers), but have a different flavour and are