HO Scale: Operator Series - Gunderson Multi-Max Autorack - Union Pacific


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SKU Road Number Price Qty
SXT11286 697576 $ 42.99 Sold Out
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ScaleTrains HO Scale: Operator Series - Gunderson Multi-Max Autorack - Union Pacific

With several thousand auto carriers built for nearly all North American Class One railroads, the Greenbrier/Gunderson Multi-Max has become the premier auto carrier design of the 21st century. Many of these cars wear colorful paint schemes and feature large logos which help them stand out alongside older autorack designs.

Prototype Specific Features:
Union Pacific
  • New Road Numbers
  • Era: 2018 to present
  • Built 8/18 to 10/18
  • Paint matches Tru-Color Paint color: body TCP-089 light imitation gold
  • All new model
  • Multiple road numbers
  • Car rack numbers and ARR rack clearance data is specific to each car number
  • Late body type
  • Upper side panel mounting with three outside mounting tabs and no strip
  • Lower side panel mounting with four lower recessed tabs and ¾ width strip
  • 14 finely molded corrugated side panels
  • Three main bodies of rack mounting holes in painted side panels
  • Late end doors with “zig-zag” angle panels
  • End sill steps
  • Low mounted side ladders
  • Outside side sill brake cylinder and brake beam mounting brackets
  • Outside side sill brake rod support brackets
  • All-new ASF Low deck swing motion trucks
  • 28” machined metal wheels
  • Separate brake cylinder/slack adjuster assembly, air reservoir, and control valve
  • Paint matches Tru-Color Paint color: roof TCP-354 galvanized steel
  • Detail kit available separately: includes door rods, metal grab irons, coupler cut levers, trainline hoses, and more (SXT81270)
  • Minimum radius 24”
  • Recommended radius 26”

All Operator Freight Cars Feature:
  • Fully assembled
  • Multiple road numbers
  • Simplified underbody brake rigging details
  • Body mounted semi-scale knuckle couplers
  • Simplified printing and lettering legible even under magnification
  • Accurately profiled .110″ wide wheel tread
  • Weighted to Industry standards
  • Operates on Code 70, 83 and 100 rail
  • Packaging safely stores model
  • Color matched to Tru-Color Paint colors whenever possible
Prototype History:

Since the development of the automobile, railroads and automakers have worked together to develop better and more efficient methods for transporting new vehicles to market. Shipping via rail offers automakers a fast, cost-effective method of moving new autos from manufacturing centers to distribution centers, or in the early days, to dealers themselves.

Double-door boxcars were amongst the first designs to haul automobiles. The larger opening of the double-doors allowed cars to be driven aboard. As time passed, flatcars equipped with multi-level open-air racks were developed. Since automobiles are relatively light, long flats of up to 89’ in length were adapted to use two (bi-level) or three (tri-level) deck racks. Simply known as “autoracks”, these unique cars can carry a dozen or more vehicles.

By the late 1960s, new vehicles shipped via racks would prove too tempting for vandals who used the windows on new vehicles for target practice. Thieves would also take a toll by breaking into new automobiles to steal high-value components like stereos and hubcaps. Even train-hopping transients would prove to be a problem since riding in a new automobile was much more comfortable than a dirty boxcar or gondola.

To shield new vehicles from wayward projectiles, railroads and car builders added metal screens or fiberglass panels to the sides of the autoracks. While the side screens or panels worked to protect window glass, the ends of the autoracks remained open which allowed easy access for thieves or transients to climb aboard and damage new vehicles.

The 1970s would see the development of fully-enclosed autoracks to protect the valuable cargo inside. The sides were completely protected with perforated galvanized-steel panels. The top of the car was enclosed with a galvanized steel roof which protected cars on the top level. Finally, the ends were equipped with a large pair of sliding or folding doors to keep unwanted passengers out.

With many racks built in the 60s and 70s nearing the end of their operational lives, Greenbrier/Gunderson introduced a new design in 2013 to provide the ultimate in protection for vehicles as well as operational flexibility. The new design, dubbed “Multi-Max”, introduced design elements to help meet the challenges faced by railroads and shippers in the 21st century.

While the basic enclosed autorack protected new autos from projectiles, a new form of vandalism became prevalent in the late 1990s, graffiti. Paint spray would pass through the perforations in the side panels and onto the new automobiles ruining their finish. The perforations are a necessity because hey allow enough light for workers to see while loading or unloading the cars as well as to allow ventilation of automobile exhaust. Multi-Max features smaller, fewer, and more widely spaced perforations in its side panels, reducing the chance of paint spray passing through.

In another novel design feature, the cars feature the ability to adjust the number of decks. “Bi-level” autoracks are intended to carry taller vehicles, such as SUVs or vans, while “tri-level” autoracks, having an additional deck, handle shorter-in-height standard or compact autos in the same given space. Traditionally, railroads would order bi- and/or tri-level racks based upon anticipated traffic from manufacturing plants. If a plant decided to shift production from one vehicle type to another, such as from automobiles, to SUVs, it could result in a surplus of a car type unsuitable for the new traffic. Multi-Max features the ability for railroad car shops to change the car configuration from bi-level to tri-level, or vice-versa, as traffic patterns dictate.

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