Tangent Scale Models - HO Scale - Pullman-Standard PS-2CD 4750 Covered Hopper - Union Pacific (UP) #73700 - “CH-100-28” - Gray/White with Black Lettering, Numbering & Yellow Conspicuity Stripes (SKU 20009-36374-01)
Available On: December 1, 2025


It’s time for new PS4750 Covered Hoppers! But not just any ordinary PS4750! Nope, Tangent Scale Models presents brand new PS4750 tooling that covers some of the unique details of 1973-1974 production cars! These are exciting, featuring both railroad and private elevator paint schemes!
The Pullman-Standard PS-2CD 4750 covered hopper was the largest production covered hopper design in history, and is therefore statistically important to virtually any modeler from the 1970s to the present. Tangent Scale Models continues the evolution of their “phased approach” PS4750 models, not “one-size fits all” models. This release shines a spotlight on 1973-1974 Pullman production. Some of these cars feature a brand-new Tangent body variation for cars to handle the combination open-hole and closed-hole side posts on the same body.
The Tangent PS4750 is a state of the art, dimensionally-accurate scale replica with highly accurate “true-to-life” colors and precise letter stencils. Tangent Scale Models PS4750 system of models offers a multitude of detail variations and phases to replicate the many different Pullman-Standard offerings. This release includes all-new body tooling to match these later cars! Example variations include: body shells with or without holes in the side posts, brake systems, outlet gates, roofs, roof hatches, roof overhangs, running boards, crossover platforms, end ladders, jacking pads, brakewheel housings, and brakewheels. This replica includes Tangent Scale Models fine “near-scale” draft gear box with beautifully-rendered side “key” detail. Tangent Scale Models ready-to-operate replica is finished with coupler lift bars accompanying Kadee scale couplers and sufficient hidden weights to ensure the model operates as good as it looks. At more than 100 parts per car, not to mention phase accurate details, genuine Kadee couplers, and all-metal wheels, Tangent Scale Models provide you with a high-value model that will provide you with years of enjoyment and curb-appeal.
A quick synopsis of Tangent Scale Models 1972-1981 era and railroad-specific detail variations include:
Union Pacific (UP) “CH-100-28” With Conspicuity PS4750 Covered Hopper
– UP “Delivery CH-100-28” With Conspicuity 2005+ offers “modern” modelers of the last 20 years two distinctive UP variations. Tangent Scale Models chose two specific numbers from the 1974 UP Pullman group and offer them in “Conspicuity Era” configuration. For SKU 36374-01, that translates to UP 73700, still wearing its Pullman delivery paint. The roof hatches have been swapped out to a smooth replacement style. The outlet gates have been replaced with modern bolt-on offerings. For SKU 36374-02, that translates to UP 73847, a UP Pocatello Idaho Shops repaint from 1977, with varying data, replacement roof hatches, and replacement modern outlet gates. Both Tangent models feature a correct Pullman combination closed-hole/open-hole body, weathered UP gray body color with conspicuity stripes added, faded warning stencils and yes, (different!) AEI tag parts mounted, per photos. The models come equipped with body-mounted brake hardware and Tangent Scale Models 100-ton Barber S-2 trucks with accurate “Hyatt” rotating caps.
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