PROTO Ho Union Pacific Diesel Locomotive Mars Light Ex Box 077071232388 987 Ex/box

( Brand: Proto ), ( Manufacturer Part Number: 23238 ), ( Part Type: Ho Locomotive Light Box ), ( Age Level: 17 Years Up ), ( UPC: 077071232388 )

Review PROTO Ho Union Pacific Diesel Locomotive Mars Light #987 Ex/box

The **Proto 2000 23238 HO-scale Union Pacific "Mars Light" diesel locomotive** is a meticulously crafted model that captures the iconic presence of one of the most legendary locomotives in North American railroading history. Built by the renowned manufacturer Proto 2000, this model represents the **UP 987**, a powerful and visually striking **SD40-2** diesel-electric locomotive that was part of Union Pacific s vast fleet during the late 20th century. The "Mars Light" designation refers to the locomotive s distinctive **dark gray paint scheme with a bold red stripe running along the sides**, a color scheme that was both functional and instantly recognizable, evoking the rugged reliability and bold identity of the Union Pacific Railroad. This particular model is housed in a **high-quality, durable box** that not only protects the locomotive during transit but also serves as a display case, allowing collectors to showcase the model s intricate details with pride.

The **HO-scale 23238** is a **DCC-ready** model, meaning it is compatible with modern digital command control systems, offering enthusiasts the ability to operate it with precision and realism. The locomotive features **highly detailed bodywork**, including **accurate panel lines, rivet patterns, and weathering effects** that bring the model to life, mimicking the aged yet robust appearance of a well-used freight hauler. The **cab interior** is intricately detailed, complete with **operational controls, a realistic dashboard layout, and even subtle lighting effects** that enhance the model s authenticity. The **pantograph and hood vents** are finely crafted, while the **couplers and knuckle pins** are designed for smooth operation, ensuring that the model can be seamlessly integrated into larger layouts or operated in standalone displays.

One of the standout features of this Proto 2000 model is its **high-quality motor and drivetrain**, which delivers **smooth, powerful performance** with minimal noise and excellent acceleration. The **wheels are precisely balanced**, and the **axle configuration** is optimized for realistic motion, whether the locomotive is pulling a long freight train or maneuvering through tight curves. The **lighting system** is another highlight, featuring **LED headlights, running lights, and even optional dynamic lighting effects** that can be programmed to simulate the glow of a working diesel locomotive. The **smoke and spark effects** (available as optional accessories) further enhance the model s realism, creating a dynamic and immersive experience for observers.

The **box itself** is a testament to Proto 2000 s attention to detail, featuring **durable cardboard construction with reinforced corners** to prevent damage during shipping. The interior of the box is lined with **protective foam padding**, ensuring that the locomotive arrives in pristine condition. The **labeling is clear and informative**, providing essential details about the model, including its **scale, gauge, power requirements, and compatibility with various railroads**. Additionally, the box includes **instructions for assembly and operation**, making it accessible for both beginner and experienced modelers. For collectors and hobbyists who appreciate the **aesthetic and historical significance of Union Pacific s diesel fleet**, this model is not just a piece of plastic and metal it is a **piece of railroading history**, meticulously recreated to honor the legacy of the **UP 987** and its counterparts.

Whether displayed as a standalone centerpiece on a shelf or integrated into a **detailed HO-scale layout**, the **Proto 2000 23238 HO-scale Union Pacific "Mars Light" diesel locomotive** is a **must-have for any serious model railroad enthusiast**. Its **combination of historical accuracy, engineering precision, and artistic craftsmanship** makes it a standout addition to any collection, offering both visual appeal and operational excellence. For those who admire the **bold, industrial beauty of American railroading**, this model is a perfect blend of **nostalgia and innovation**, ensuring that the spirit of the Union Pacific s golden era of diesel power lives on in miniature form.

### Pros and Cons of buying a Proto 2000 HO Scale Union Pacific Diesel Locomotive (Model #23238, "Ho Union Pac" Series, Mars Light 987 Ex/Box)

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#### **Pros**

1. **High-Quality Construction**

The Proto 2000 line is known for its durable and well-engineered HO scale models. This locomotive features metal chassis components, including a die-cast metal frame and axles, which contribute to smooth operation and longevity. The body is also well-molded with fine details, making it visually appealing for serious modelers.

2. **Accurate Representation**

The model is based on the **UP SD70ACe** (or similar modern UP diesel), a common sight on Union Pacific s mainlines. It includes realistic features such as:

- **Mars Lighting System**: A high-quality LED lighting setup that mimics the appearance of real locomotive headlights and running lights, providing a more dynamic and realistic look.

- **DCC and DC Compatibility**: The locomotive is compatible with both Digital Command Control (DCC) and DC power, offering flexibility for modelers who may already have a layout setup.

- **Accurate Livery**: The "Ho Union Pac" series often features historically accurate or modern UP paint schemes, which are desirable for collectors and operational layouts.

3. **Smooth Operation**

Proto 2000 models are generally praised for their smooth rolling action, thanks to the metal wheels and well-balanced chassis. This reduces derailment risks and provides a more enjoyable operating experience, especially on larger layouts.

4. **Resale Value**

Proto 2000 models, particularly those in good condition, hold their value well in the secondary market. The brand s reputation for quality and the limited production of certain models (like this one) can make it a worthwhile investment for collectors.

5. **Compatibility with Accessories**

The model s DCC/DC compatibility means it can integrate seamlessly with most modern control systems, sound decoders, and other accessories (e.g., smoke machines, LED couplers). This makes it versatile for both static displays and dynamic layouts.

6. **Aesthetic Appeal**

- **Realistic cabs and windows** (often with clear or tinted details).

- **Accurate UP logos and markings** (e.g., road numbers, reporting marks).

- **Optional add-ons** (e.g., Proto 2000 offers separate parts for additional details like ladders or handrails).

This makes the model attractive for both display and operational use.

7. **Brand Reputation**

Proto 2000 is a well-established brand in the HO scale market, known for reliability and attention to detail. Their customer service and support are generally strong, which can be reassuring for buyers.

---

#### **Cons**

1. **Higher Upfront Cost**

Proto 2000 models are typically more expensive than entry-level HO scale locomotives, especially those with advanced features like the Mars Lighting System. The price point may be prohibitive for casual hobbyists or those on a tight budget.

2. **Potential for Wear and Tear**

Even high-quality models can show signs of wear over time, particularly if they have been heavily used or stored improperly. Buyers should inspect the model closely for:

- **Chassis rust** (common in older models or those exposed to moisture).

- **Worn wheels or axles** (which can affect smooth operation).

- **Cracked or faded paint** (especially in older stock).

A used model may require maintenance or restoration.

3. **Limited Availability of Parts**

While Proto 2000 is a reputable brand, finding replacement parts (e.g., axles, decoders, or body panels) can be challenging compared to more mass-produced brands. This may make repairs or upgrades more difficult.

4. **Weight Considerations**

- **Small layouts** with limited track space or weight limits.

- **Portable setups** where weight is a concern.

Buyers should ensure their layout can accommodate the added weight.

5. **Learning Curve for DCC**

If you re new to DCC, setting up and programming a Proto 2000 model with advanced features (like the Mars Lighting System) may require some initial effort. Troubleshooting issues (e.g., lighting malfunctions, decoder compatibility) could be frustrating for beginners.

6. **Storage and Display Space**

HO scale locomotives, especially those with detailed features, require careful storage to prevent damage. Models with exposed metal or delicate parts (e.g., clear windows) are more susceptible to scratches or dents if not handled or stored properly.

7. **Potential for Counterfeit or Mismatched Models**

When buying used, there s a risk of receiving a model that isn t authentic (e.g., a knockoff or a mismatched variant). Always verify the model number, livery, and features (e.g., Mars Lighting) before purchasing to avoid disappointment.

8. **Maintenance Requirements**

Metal-chassis models may require occasional lubrication of wheels and axles to maintain smooth operation. Neglecting maintenance can lead to increased wear and potential derailments.

---

### **Ending Conclusion**

The Proto 2000 HO scale Union Pacific diesel locomotive (#23238, Mars Lighting System) is a **high-quality, accurate, and durable** model that appeals to serious model railroaders, collectors, and operators. Its strengths lie in its **realistic details, smooth operation, and compatibility with modern control systems**, making it a strong choice for those invested in their hobby. However, the **higher cost, potential maintenance needs, and weight** may not suit casual hobbyists or those with limited space or budget.

For buyers who prioritize **quality, longevity, and realism**, this model is an excellent investment. Conversely, those looking for **budget-friendly, lightweight, or simpler alternatives** might consider other brands or models.

---

### **Recommendation**

- You re a serious modeler with a DCC setup and want a high-quality, realistic UP diesel.

- You have the space and budget to accommodate a metal-chassis model with advanced features.

- You value brand reputation and potential resale value.

- You re willing to invest time in setup and occasional maintenance.

- You re on a tight budget or prefer simpler, more affordable models.

- Your layout has strict weight limits or limited space.

- You re new to DCC and unsure about troubleshooting advanced features.

- You prioritize portability or casual, low-maintenance operation.

**Final Verdict**: This Proto 2000 model is a **strong recommendation for dedicated HO scale enthusiasts** who seek durability, accuracy, and performance. Always inspect a used model thoroughly for condition and authenticity before purchasing.

Details:

Train Product Id: 12496076. There are scratches, scuffs, paint loss and marks throughout the item. Overall condition is Excellent. The wheels show average run-time.

Missing inner liners. The instruction manual is not included. Standards for all toy train related accessory items apply to the visual appearance of item and do not consider operating functionality equipment. Operational Status: As Isolde AS-IS.

This unit features plastic construction, metal wheels, and motor. Some trim elements are misaligned, bent, damaged or missing. The original box is included. Original Box: Yes P-6Minor abrasions, creases, small tears, color changes, soiling.

Economy Shipping. It is either untested or was confirmed as non-functional. The overall appearance of each item may be improved with a gentle and thorough cleaning. Contacting Train provides us a chance to resolve your issue while allowing you keep the item.

Condition: Excellent C-7All original: minute scratches and paint nicks; no rust or missing parts; distortion of parts. This item is not functional. We'll do our absolute best to make you happy.

part #: 23238 prices

• $46.95-$149.25

specifications gscalemodeltraingi:

• brand: Proto
• mpn: 23238
• part type: Ho Locomotive Light Box
• age level: 17 Years Up
• upc: 077071232388

returns gscale model traingi:

• policy: No Returns

seller gscale model traingi:

• rating: 99.8%
• city: Flowery Branch, Georgia
• # reviews: 754682

shipping gscale model traingi:

• class: Economy, Standard
• transit: 4-10 Days
• cost: $25.63
• type: Fixed
• service: Economy, Standard

payments gscale model traingi:

• wallet: Google-pay
• credit card: Discover
• other

offer gscale model traingi:

• availability: In Stock
• started: May 4, 2026
• quantity: 1
• sold: 0
• options: Ship-to-home

general gscale model traingi:

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

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