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Promotex Lowboy Tri-Axle Booster with Integrated Rear Axle (2 Sets) 1/87 (HO) Plastic Model by Promotex

Promotex

Lowboy Tri-Axle Booster with Integrated Rear Axle (2 Sets) 1/87 (HO) Plastic Model by Promotex

Promotex Lowboy Tri-Axle Booster with Integrated Rear Axle (2 Sets) 1/87 (HO) Plastic Model is a detailed scale accessory for model trailers, priced at $16.49. Ideal for hobbyists upgrading HO-scale heavy haulers with realistic, officially licensed tri-axle boosters requiring light assembly.

$16.49

● In stock

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Key features

  • 1/87 (HO) scale for model trailer accuracy
  • Includes 2 tri-axle boosters and 4 wheel sets
  • Integrated rear axle design for realism
  • Officially licensed Promotex product
  • Simple assembly required; no tools needed
  • Sealed original manufacturer packaging
  • Booster ~3 inches long; wheels ~0.5 inches

Pros

  • +High detail with true-to-scale proportions
  • +Adds realism to HO-scale heavy haul models
  • +Dual set offers value for multiple builds
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Cons

  • Some assembly required
  • Not motorized or articulated

About Promotex Lowboy Tri-Axle Booster with Integrated Rear Axle (2 Sets) 1/87 (HO) Plastic Model by Promotex

What is Promotex Lowboy Tri-Axle Booster with Integrated Rear Axle (2 Sets) 1/87 (HO) Plastic Model by Promotex?

The Promotex Lowboy Tri-Axle Booster with Integrated Rear Axle (2 Sets) is a 1/87 (HO) scale plastic model accessory designed for modelers seeking enhanced realism in heavy transport trailers. This officially licensed product includes two complete booster sets, each with integrated rear axles and four wheel sets, allowing for accurate replication of multi-axle lowboy trailer configurations. Packaged in original unopened condition, it offers true-to-scale detail at a compact size—booster measures approximately 3 inches long with 0.5-inch diameter wheels—making it ideal for precision dioramas or model upgrades.

Key features

  • Scale Accuracy — True-to-scale 1/87 (HO) design matches standard model trailer proportions.
  • Complete Set — Includes 2 tri-axle boosters and 4 wheel sets for full assembly.
  • Integrated Axle — Rear axle built into booster for realistic structural detail.
  • Officially Licensed — Authentic Promotex branding ensures model legitimacy.
  • Simple Assembly — No advanced tools required; suitable for intermediate hobbyists.
  • Premium Packaging — Supplied in manufacturer’s sealed box for protection and storage.
  • Compact Dimensions — Booster spans ~3 inches; wheels measure ~0.5 inches in diameter.

Who is Promotex Lowboy Tri-Axle Booster with Integrated Rear Axle (2 Sets) 1/87 (HO) Plastic Model by Promotex for?

This model kit suits scale model enthusiasts, particularly those focused on commercial transport, construction, or logistics dioramas. It’s ideal for intermediate builders looking to enhance standard trailers with authentic tri-axle configurations. Railroad modelers using HO-scale layouts will find it especially useful for adding heavy haul realism. Collectors of licensed diecast and plastic accessories will appreciate the official detailing and packaging integrity.

How does Promotex Lowboy Tri-Axle Booster with Integrated Rear Axle (2 Sets) 1/87 (HO) Plastic Model by Promotex compare?

Compared to generic plastic trailer parts, this Promotex set offers superior scale fidelity and licensed authenticity. Unlike static single-axle models, the integrated tri-axle design allows for dynamic load distribution representation. It outperforms basic accessory kits by including complete, ready-to-install components. While similar to other HO-scale upgrades, its dual-set format provides greater value for multiple builds or spares. It’s more detailed than standard polypropylene model add-ons, targeting serious hobbyists over casual assemblers.

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Best use cases

  • Upgrading HO-scale lowboy trailer models
  • Enhancing heavy equipment transport dioramas
  • Adding realism to model construction scenes
  • Collecting licensed Promotex accessories
  • Replacement or spare axle set for models
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Is Lowboy Tri-Axle Booster with Integrated Rear Axle (2 Sets) 1/87 (HO) Plastic Model by Promotex right for you?

This Promotex booster set is best for intermediate modelers working on HO-scale transport or industrial scenes. No advanced skills needed—just light assembly. Ideal for enhancing standard trailers with authentic tri-axle support. Consider if you value licensed accuracy over generic parts. Alternatives include single-axle boosters or full trailer kits, but this offers targeted upgrade value.

How it compares: More detailed than generic plastic axle sets; offers dual configuration and licensed accuracy. Better value than single boosters. Less complex than full diecast trailers but ideal for targeted realism upgrades in HO-scale modeling.

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Frequently Asked Questions

What scale is the Promotex Lowboy Tri-Axle Booster set?

The set is 1/87 scale, also known as HO scale, commonly used in model railroads and detailed dioramas. This ensures compatibility with most HO-scale trailers and transport models for accurate representation.

Does the Promotex booster require painting or gluing?

The kit requires simple assembly but does not specify need for paint or glue. Parts come in pre-colored plastic. Most users can snap or fit components together without adhesives, ideal for quick installation.

How many pieces are included in the set?

The set includes 2 complete tri-axle boosters with integrated rear axles and 4 wheel sets (totaling 8 wheels). All parts are provided for full installation on compatible HO-scale lowboy trailer models.

Is this model compatible with other brand HO-scale trailers?

Designed for 1/87 scale, it should fit most HO-scale lowboy trailers with standard axle spacing. Exact compatibility depends on model design, but its universal scale enhances adaptability across brands.

Can these boosters be used on moving model trailers?

The boosters are designed for static or display models. While wheels rotate, they are not engineered for motorized or frequent movement. Best used in display dioramas or non-operational scale scenes.

How much does Lowboy Tri-Axle Booster with Integrated Rear Axle (2 Sets) 1/87 (HO) Plastic Model by Promotex cost?

Lowboy Tri-Axle Booster with Integrated Rear Axle (2 Sets) 1/87 (HO) Plastic Model by Promotex is $16.49 at Diecast. Prices may change — click through to Diecast for the latest.

Is Lowboy Tri-Axle Booster with Integrated Rear Axle (2 Sets) 1/87 (HO) Plastic Model by Promotex in stock at Diecast?

Yes, Lowboy Tri-Axle Booster with Integrated Rear Axle (2 Sets) 1/87 (HO) Plastic Model by Promotex is currently in stock at Diecast.

Are there coupon codes for Diecast?

Yes — Love Those Deals currently tracks 4 active Diecast coupons. See the coupons section on this page to copy a code before checkout.

Specifications

Brand
Promotex
Product Type
Accessories
Category
Accessories
SKU
1334
GTIN
00693039628750
MPN
005525BK
Last updated Apr 28, 2026