1. G Scale Model Railroads Trains For Sale
  2. sku: 19685297742610881
  3. PROTO 23239

PROTO 23239 Union Pacific Locomotive Ho Ho/used 23240 23241 E6

23241 Proto 2000 23239 23240 Union Pacific E6 A-b-b Locomotive -ho/used

( Brand: Proto ), ( Manufacturer Part Number: 23239 ), ( Type: Diesel Locomotive ), ( Rail System: Two-rail System ), ( Corporate Roadname: Union Pacific Railroad ), ( Replica Of: E6 A-b-b ), ( Gauge: Ho )

Review PROTO Union Pacific E6 A b Locomotive Ho/used

The **Union Pacific E6 (Prototype 2000 Series) A-B-B Locomotive (HO Scale, New or Used)** is a meticulously crafted model that captures the iconic power and engineering prowess of one of the most legendary diesel-electric locomotives ever built by General Motors Electro-Motive Division (EMD). Introduced in the late 1950s, the E6 series was a refined evolution of the earlier E1 and E2 models, embodying Union Pacific s commitment to cutting-edge rail transportation. This particular prototype, numbered **2000 (23239, 23240, 23241)**, represents a rare and highly sought-after variant, often distinguished by its streamlined, bullet-nose design, distinctive headlight arrangement, and the signature Union Pacific livery whether in the classic black-and-gold "Warbonnet" scheme or a later iteration like the bold red-and-silver "Union Pacific" branding. The model s A-B-B road-switcher configuration, featuring a single cab unit flanked by two booster power sections, reflects the locomotive s dual-purpose capability, allowing it to operate efficiently in both mainline and yard service.

Under the hood (or rather, under the meticulously detailed body panels), the E6 prototype embodies the technological advancements of its era, including the robust **16-cylinder 567C prime mover**, capable of generating up to **2,000 horsepower** a formidable output that defined the locomotive s dominance on the rails. The model s HO scale (1:87) dimensions bring this engineering marvel to life with remarkable precision, from the intricate **pantograph and dynamic lighting systems** that simulate the locomotive s operational realism to the finely detailed **cab interiors**, complete with authentic controls, gauges, and even the faintest hints of wear that add character to a used model. The **couplers, knuckle pins, and running boards** are crafted with an eye for authenticity, ensuring smooth operation and an immersive modeling experience.

For collectors and enthusiasts, this Union Pacific E6 prototype holds a special place in railroading history, as it predates the more iconic E8 and E9 models while still showcasing the elegance and power that would become synonymous with EMD s later designs. Whether displayed as part of a meticulously assembled layout featuring the historic **Union Pacific s Overland Route** or operated dynamically in a dynamic modeling setup, this locomotive serves as a testament to the golden age of American railroading. Its presence on a shelf or a track adds a layer of nostalgia, evoking the roar of diesel engines and the vast, open landscapes of the American West that the E6 once traversed with unmatched reliability. For those seeking a piece of railroading history that is both visually stunning and technically impressive, the **Union Pacific E6 (Prototype 2000 Series) HO scale model** stands as a timeless masterpiece.

### **Pros and Cons of Buying a Proto 2000 Union Pacific E6 (23239, 23240, 23241) HO Scale Locomotive (New or Used)**

#### **Pros**

1. **High-Quality Construction**

- Proto 2000 models are known for their durable, well-engineered design, featuring metal chasis, sturdy axles, and precise assembly. This ensures long-term reliability compared to cheaper plastic-bodied models.

2. **Accurate Scale and Detail**

- These locomotives are highly detailed, with accurate proportions, realistic paint schemes, and fine-scale features such as handrails, ladders, and coupling details. The UP E6 is a well-documented prototype, so the model reflects its real-world appearance closely.

3. **Strong Motor and Performance**

- Proto 2000 models typically use powerful DC or DCC motors (depending on the variant) with smooth acceleration and consistent speed. The E6 series is designed for both static display and active operation, making it versatile for layouts with varying track conditions.

4. **Compatibility with Modern Systems**

- These models are compatible with most HO-scale track layouts, including DCC systems (if equipped) and standard DC operation. The metal chassis allows for easy modification or upgrading of electronics if needed.

5. **Collectible and Valuable**

- Proto 2000 models, especially older or limited-edition variants, hold value and are sought after by collectors. The UP E6 series, in particular, is a classic design that appeals to both hobbyists and investors.

6. **Durability for Display or Operation**

- Whether used for static display or active running, these models are built to withstand frequent use. The metal construction resists warping, and the paintwork remains vibrant over time with proper care.

7. **Prototype Accuracy in Features**

- The E6 series includes realistic lighting (if equipped), accurate cab interiors (in some variants), and proper coupling mechanisms. Some models even feature working headlights or dynamic features like rotating cowcatchers.

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#### **Cons**

1. **Higher Initial Cost**

- Proto 2000 models are premium-priced compared to basic or mid-range HO locomotives. A new or well-maintained used example will cost significantly more than entry-level brands, which may be a barrier for budget-conscious hobbyists.

2. **Potential for Wear in Used Models**

- If purchasing used, there is a risk of hidden damage, such as worn wheels, misaligned axles, or faded paint. Used models may also lack original documentation or accessories (e.g., roadnames, decals).

3. **Limited Availability of Parts**

- While Proto 2000 is a reputable brand, some replacement parts (e.g., specific wheels, motors, or decals) may be harder to find compared to more mass-produced models. This could require sourcing from specialty suppliers or even custom fabrication.

4. **Weight and Storage Considerations**

- Metal-bodied models are heavier than plastic ones, which may require additional support on layouts or more effort when moving them. Storage space must also accommodate their bulk, especially if collecting multiple units.

5. **Compatibility with Older Systems**

- If using a very old DC layout without modern features, some Proto 2000 models (particularly older DC-only versions) may lack the refinement of newer DCC-equipped models. Upgrading to DCC later could be necessary for full functionality.

6. **Potential for Overkill for Small Layouts**

- For very small or simple layouts, the detailed features of a Proto 2000 E6 may feel excessive. A more affordable, less detailed model might suffice for basic operation or educational purposes.

7. **Maintenance Requirements**

- Metal chassis and detailed components require occasional cleaning and lubrication to prevent rust or wear. Neglecting maintenance could lead to long-term issues, such as sticking axles or misaligned wheels.

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### **Conclusion**

The Proto 2000 Union Pacific E6 (23239, 23240, 23241) HO scale locomotive is a **high-quality, durable, and highly detailed** model that excels in both display and operation. Its premium construction, accurate features, and collectible value make it a strong choice for serious hobbyists who prioritize realism and longevity. However, the **higher cost, potential for wear in used models, and maintenance needs** may deter budget-conscious or casual modelers.

For those who invest in this model, the payoff is a **long-lasting, visually impressive locomotive** that enhances any layout. If you are willing to allocate the necessary budget and care for the model, it is an excellent purchase. Conversely, if you are on a tight budget or need a model for a very small or simple setup, a more affordable alternative might be more practical.

### **Recommendation**

- **Buy New or Well-Maintained Used:** If possible, purchase a **new or certified pre-owned** model from a reputable dealer to avoid hidden issues. Inspect used models thoroughly for wear, alignment, and functionality.

- **Consider Your Layout Needs:** If your layout is small or primarily static, weigh whether the E6 s features are essential. For larger, dynamic layouts with DCC, it is an outstanding choice.

- **Budget Accordingly:** Allocate extra funds for potential future upgrades (e.g., DCC conversion, additional decals) if needed.

- **Maintain Regularly:** Clean and lubricate the model periodically to preserve its condition and performance.

**Final Verdict:** The Proto 2000 UP E6 is a **top-tier model** worth the investment for dedicated hobbyists who seek quality and authenticity. For others, it may be overkill, but the trade-offs in durability and detail justify its reputation among serious collectors.

Details:

Shipping based on buyers zip. You are buying a Proto 2000 Union Pacific A-B-B. All units look like they have never been run. Proto 2000 23240 Union Pacific Non Powered Dummy Unit -NEW.

She runs great. Proto 2000 23241 Union Pacific Non Powered Dummy Unit -NEW. I painted the pre-production model's Jumbos Custom Painting for MTH catalogs and was part of team that built M.T.H. Proto 2000 23239 Union Pacific E6 Locomotive looks new, but listed as used because themes lights don't work and its missing one pilot, where the front go through.

It has a DCC plug. Showroom layout.

part #: 23239 prices

  • $105.00-$169.99

specifications gscalemodeltraingi:

  • brand: Proto
  • mpn: 23239
  • type: Diesel Locomotive
  • rail system: Two-rail System
  • corporate roadname: Union Pacific Railroad
  • replica of: E6 A-b-b
  • gauge: Ho

seller gscale model traingi:

  • # reviews: 469
  • rating: 100.0%
  • city: Maryville, Tennessee

payments gscale model traingi:

  • other
  • credit card: Diners-club
  • wallet: Paypal

offer gscale model traingi:

  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • started: February 1, 2026

general gscale model traingi:

  • condition: Used
  • model Railroads Trains > Railroads Trains > Locomotives

shipping gscale model traingi:

  • type: Calculated
  • transit: 4-8 Days
  • class: Standard
  • carrier: UPS
  • cost: $26.01
  • service: UPS Ground

returns gscale model traingi:

  • policy: No Returns
type: diesel locomotive, rail system: two-rail system, corporate roadname: union pacific railroad, replica of: e6 a-b-b, gauge: ho,
category: toys & hobbies > model railroads trains > railroads trains > locomotives, sku: 19685297742610881,
Proto 23239 Is Similar To:
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5 offers $105.00–$169.99 USD
  • New. Offer #1 priced at $105.00 + $26.10 shipping estimate = $131.10* total. Never opened. New, Set of 2 Proto 2000 Series E6 Locomotive #23238 & E5B (unpowered) # HO Scale.+$26.10 shipping
  • New. Offer #2 priced at $149.25 + $8.60 shipping estimate = $157.85* total. nice kit with powerd e6 and dummy mars lights.+$8.60 shipping
  • New. Offer #3 priced at $169.99 + $28.99 shipping estimate = $198.98* total. Up for sale is aLife-Like Proto 2000 HO Scale E6A Union Pacific #994 (Item ) diesel locomotive.+$28.99 shipping
  • Used. Offer #4 priced at $55.00 + $18.80 shipping estimate = $73.80* total. Working headlights and number board lights. Motor hums but does not move.+$18.80 shipping
  • New. Offer #5 priced at $47.84 + $10.95 shipping estimate = $58.79* total. +$10.95 shipping

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