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 their Cheese flavour and 86 in the salt and vinegar variety. There was also a Cheese and Onion flavour in the 1980s which, although proved very popular, was discontinued. The first mascot of Quavers was a hyperactive cartoon dog named 'Colin Curly', created by Bob Lawrie and voiced by Lenny Henry who featured in many TV commercials. Colin also appeared in two Amiga and Atari ST puzzle games: "Pushover" (1992) and its sequel, "One Step Beyond" (1993), both published by Ocean. The second was a boy named Quentin Quaverhead and his family. They were first seen in a memorable advertisement