HO UP Big Boy #4020 Steam Locomotive with Wilson Aftercooler Tender (BLI8367)

The HO UP Big Boy #4020 Steam Locomotive, a notable piece of railway history, is often regarded as one of the largest steam locomotives ever created. This impressive locomotive, delivered to the Union Pacific Railroad in 1944, was built to handle incredibly strenuous demands, capable of pulling a 3,600-ton train over the arduous Sherman Hill. The design boasts an articulated, high-speed form with a massive 132-foot length and sixteen 68-inch diameter drive wheels.

Historically, the Big Boy locomotives required substantial modifications to the rail infrastructure for their operation, including upgraded tracks and service areas. This specific model features the Wilson Aftercooler tailored for Class-2 models, enhancing its operational capabilities. Alongside its operational prowess, the Big Boy models are distinguished by their detailed construction and premium artwork, reflecting authentic paint schemes.

The Big Boy #4020 model is equipped with a plethora of features including Paragon4 sound and control systems, synchronized puffing smoke, and variable smoke intensity for an immersive experience. Additionally, it comes with factory-installed engineer and fireman figures, proving its authenticity. With prototypical sound reproduction and intricate details, this model occupies a revered space in collectible steam locomotives.