BLI 10605 HO Scale Big Boy 4 8 8 4 UP 4014 with Smoke Deflectors 2025 Stealth DC Roadname_Roadname_Un Painted Brass The Gorilla was designed to The Gorilla was designed to offer ZooRacing‘s class leading features such as the ability to shift the body forth and back by a couple of millimeters for fine tuning the cars balance and to allow the adaption to pretty much every 1 10th scale FWD chassis 1 Sprue Side Tire Cutters Often regarded as the largest steam locomotive ever built—and certainly a contender for the world's most famous locomotive—the Big Boy was created to meet some of the most demanding operating requirements ever placed on a steam engine With each locomotive averaging approximately one million miles of service