Revell - Big Boy Locomotive 1:87 HO Scale

Revell Big Boy Locomotive — 1:87 Scale Model Kit

Experience the power and engineering of American steam railroading with the Revell Big Boy Locomotive 1:87 Scale Model Kit. This detailed plastic model recreates the legendary Union Pacific Big Boy, one of the largest and most powerful steam locomotive designs ever built. Featuring 87 parts, a detailed boiler, authentic driving wheels and connecting rods, a coal tender, and a section of track for display, this kit offers an engaging building experience for railway enthusiasts, history lovers, and model train collectors.

The Union Pacific Big Boy: A Giant of the Railways

The Union Pacific Big Boy locomotives were developed in the late 1930s to meet the demanding requirements of heavy freight transportation across the mountainous routes of the western United States. Union Pacific needed a locomotive capable of hauling exceptionally heavy trains over steep grades without relying on multiple locomotives working together.

The railroad commissioned the development of a powerful new steam locomotive designed to handle freight trains weighing approximately 3,600 tons, with the ability to manage even heavier loads under suitable conditions. The result was the famous 4-8-8-4 articulated locomotive, which became known as the Big Boy.

A total of 25 Big Boy locomotives were constructed in two groups. The first group entered production in 1941, followed by a second group in 1944. Their enormous size, advanced engineering, and impressive pulling capacity made them icons of American railway technology.

Big Boy locomotives were designed to haul heavy freight over long distances, particularly across challenging mountain routes. Their articulated running gear allowed the massive locomotives to negotiate curves while maintaining the traction needed for demanding freight operations.

The final freight train hauled by a Big Boy locomotive operated in July 1959, and most of the class had been retired by 1961. Despite their relatively short operating era, these locomotives became enduring symbols of the golden age of American steam railroading.

The Revell Big Boy model captures the distinctive appearance of these engineering giants, allowing builders to recreate a remarkable piece of United States railway history.

Impressive 1:87 Scale Dimensions

Built at a 1:87 scale, the Revell Big Boy reproduces the imposing proportions of the original Union Pacific locomotive in a format suitable for display alongside other railway models. The completed model measures approximately 46.4 cm (18.3 inches) in length.

With 87 individual parts, this kit offers an accessible yet detailed project for model builders who appreciate historic locomotives. Its long boiler, extensive driving wheel arrangement, detailed connecting rods, and coal tender give the completed model the unmistakable silhouette of the Big Boy.

The kit also includes a finely detailed track section measuring approximately 48 cm (18.9 inches), providing a dedicated display base for presenting the locomotive and tender.

Detailed Boiler and Smoke Box

The boiler is one of the most prominent features of a steam locomotive, housing the system that generated the steam needed to produce mechanical power. The Revell model includes a one-piece boiler replica designed to reproduce the long, powerful profile of the Big Boy.

A separate smoke box door adds another layer of detail to the front of the locomotive. Together with the front protective grille and carefully represented external components, these features help recreate the distinctive appearance of the original engine.

The model's proportions and boiler design reflect the engineering priorities of a locomotive built to move extremely heavy freight trains across demanding terrain.

Detailed Driver's Cab

The locomotive driver's cab is recreated with detailed components inspired by the operating area of the original Big Boy. The cab provides an important visual element behind the boiler and helps complete the locomotive's historic appearance.

The design reflects the working environment of steam locomotive crews, who monitored the engine and controlled its operation during long freight journeys. These details make the model particularly appealing to railway enthusiasts interested in the mechanical and operational history of steam locomotives.

Driving Wheels and Connecting Rods

One of the most recognizable features of the Big Boy was its enormous articulated wheel arrangement. The Revell kit reproduces the locomotive's detailed driving wheels and connecting rod system, highlighting the mechanical complexity that allowed this giant engine to generate substantial pulling force.

The connecting rods are an essential visual feature of a traditional steam locomotive. On the completed model, they help recreate the intricate relationship between the driving wheels and the locomotive's propulsion mechanism.

Movable steering bogies contribute to the model's construction details and reflect the design considerations that allowed a locomotive of this size to negotiate railway curves.

Detailed Coal Tender

The Big Boy operated with a large tender carrying the coal and water required for its long-distance journeys. The Revell model includes a detailed coal tender with ladders, completing the characteristic profile of the locomotive.

The tender is an important part of the overall model, both visually and historically. It represents the support system that allowed the locomotive to operate over long stretches of railway without frequent replenishment.

Combined with the boiler, driving wheels, and cab, the tender creates a convincing representation of the complete Big Boy locomotive consist.

Display Track and Union Pacific Decals

The kit includes a finely detailed track section measuring approximately 48 cm (18.9 inches). This section provides a dedicated setting for displaying the completed locomotive and helps present the model as part of a historic railway scene.

Decals are also included for two different Union Pacific versions. These markings allow builders to choose between alternative finishes represented in the kit instructions and personalize the appearance of their completed locomotive.

The combination of the locomotive, tender, track section, and decals makes this kit a rewarding addition to a collection of historic railway models.

A Landmark in Railway Engineering

The Big Boy locomotives represented a remarkable achievement in steam locomotive engineering. Their articulated 4-8-8-4 wheel arrangement combined exceptional size with the ability to operate on routes that demanded both high traction and flexibility.

Developed to overcome the operational challenges of heavy freight transportation across the western United States, the Big Boy became one of the most recognizable steam locomotive designs in the world.

Although the class was eventually retired as diesel locomotives transformed railway operations, the Big Boy's engineering legacy remains influential. Preserved examples and railway exhibitions continue to attract enthusiasts fascinated by the scale and mechanical complexity of these machines.

Building the Revell Big Boy offers a hands-on opportunity to explore this important chapter in transportation history and appreciate the design of one of America's most famous steam locomotives.

Model Kit for Railway Enthusiasts

The Revell Big Boy Locomotive is an excellent choice for model builders interested in classic trains, American railway history, and mechanical engineering. Its 87 parts combine recognizable external details with a straightforward assembly project suitable for hobbyists who want to create a distinctive locomotive display.

The kit is described by Revell as a Level 3 project in the product description, making it suitable for builders with some experience in assembling and painting plastic models. The official listing describes it as suitable for railway enthusiasts and model builders aged 10 and older; check the packaging for the age guidance applicable to your market.

Whether displayed on its included track section or alongside other railway models, the completed Big Boy makes an impressive tribute to the power and engineering of American steam railroading.

Kit Features

• Manufacturer: Revell

• Model: Union Pacific Big Boy Locomotive

• Item Number: 021659090

• Scale: 1:87

• Number of Parts: 87

• Skill Level: Level 3, as stated in the product description

• Recommended Age: 10+, according to the product description

• Material: Plastic

• Approximate Model Length: 46.4 cm (18.3 inches)

• Track Section Length: Approximately 48 cm (18.9 inches)

• One-piece boiler replica

• Separate smoke box door

• Detailed locomotive driver's cab

• Movable steering bogies

• Detailed driving wheels

• Detailed connecting rods and drive linkage

• Front protective grille

• Detailed coal tender with ladders

• Finely detailed track section for display

• Decals for two Union Pacific versions

• Illustrated assembly instructions

• Assembly required

Recreate an icon of American railway engineering with the Revell Big Boy Locomotive 1:87 Scale Model Kit. With its distinctive boiler, powerful driving wheel arrangement, detailed coal tender, and included display track, this model is a rewarding project for railway enthusiasts and collectors who appreciate the history of legendary steam locomotives.

Please note: Paints, adhesives, and additional modeling tools may be required for assembly and finishing and should be checked separately unless specifically listed as included in the kit.