The Trainz SKU for this item is P12393971

The car name says it all -- the entire tank is slightly lower in the middle

Diecast Andrews or Bettendorf sprung trucks

The Trainz SKU for this item is P11534155

The Trainz SKU for this item is P12382097

Williams 21531 Great Northern GP9 Dummy Diesel Locomotive DwDetails-7.40-5.67-24.00-8.00-8.00-1 The Trainz SKU for thisHere is a Williams 21531 Great Nothern GP9 Dummy Diesel Locomotive. The GP, or General Purpose, class was introduced in 1949. General Motors built more than 4,000 GP models for more than 45 railroads over the next twelve years. This locomotive is so versatile that many railroads rebuilt them and continue to use them today, over 40 years later. Ours is true to scale size, and will operate on curves as tight as 0 27, powdered metal wheels, durable ABS