MTH 20-21550-1 Gauge Alaska Hood Diesel Ec 658081450674 2501 GP35 PS-3

( Brand: Mth ), ( Manufacturer Part Number: 20-21550-1 ), ( Power Type: Ac ), ( Assembly Status: Ready To Go/pre-built ), ( Color: Black ), ( Material: Plastic ), ( Year Manufactured: 2022 ), ( Grade: C-7 Excellent ), ( Age Level: 17 Years Up ), ( Control System: Digital ), ( Item Length: 14 3/4 In ), ( Vintage: No ), ( Type: Diesel Locomotive ), ( Rail System: Three-rail System ), ( Corporate Roadname: Alaska Railroad ), ( Item Height: 4 5/16 In ), ( Theme: Transportation ), ( Features: Light Function, Smoke Unit, Sound Function ), ( Time Period Manufactured: 2020-now ), ( Country Of Origin: China ), ( Item Width: 2 1/2 In ), ( UPC: 658081450674 )

Review MTH Gauge Alaska Low Hood Diesel Loco Ps-3 And Ob Ec

The **MTH 20-21550-1 Gauge Alaska 2501 GP35 Hood Diesel PS-3 OB EC** is a meticulously crafted, high-detail model that captures the rugged elegance of a classic Alaskan railroad locomotive, designed for collectors and enthusiasts who demand authenticity and precision. This model represents the **Alaska Railroad s GP35 diesel unit #2501**, a powerful and iconic machine that has long served the rugged terrain of the Last Frontier, pulling freight and passengers through some of the most remote and breathtaking landscapes in North America. Engineered to the highest standards of MTH s **Power Sound 3 (PS-3)** system, this model delivers an immersive operational experience with **dual-mode operation** allowing it to run in either **Out-of-Gauge (OB) or Extra-Cab (EC)** configurations, providing unparalleled versatility for layouts of varying sizes. The **hood-style design** is executed with exceptional attention to detail, featuring accurately proportioned components, including the **EMD 16-cylinder prime mover**, intricately molded radiator grilles, and a **realistic exhaust system** that emits a dynamic, lifelike puff of smoke when activated. The **Alaska Railroad livery** is rendered with striking precision, combining the bold **black and yellow** scheme with subtle yet authentic markings, including the railroad s distinctive **white lettering and emblem**, ensuring the model stands out against any backdrop. Underneath the hood, the **PS-3 sound system** brings the locomotive to life with **high-fidelity audio**, including **engine start-up sequences, exhaust tones, and realistic operational sounds** that shift dynamically with speed and direction, creating an incredibly immersive experience. For those who appreciate operational realism, the model includes **DCC-ready electronics** with **DCC sound decoding**, allowing for advanced control over functions like **headlight brightness, bell operation, and even dynamic braking sounds**, enhancing the model s authenticity on the layout. The **chassis is built to withstand heavy-duty use**, featuring a **strong, durable construction** that ensures smooth operation and longevity, while the **high-quality plastic and metal components** contribute to a model that feels substantial and well-balanced on the track. Whether displayed as a static centerpiece or operated dynamically across a sprawling layout, the **MTH Alaska 2501 GP35 Hood Diesel PS-3 OB EC** is a testament to MTH s commitment to excellence, offering an unparalleled blend of historical accuracy, operational realism, and aesthetic appeal for any railroad modeler s collection.

### **Pros and Cons of Buying a MTH 20-21550-1 Gauge Alaska 2501 GP35 Hood Diesel PS-3 OB EC**

#### **Pros**

1. **High-Quality Construction** MTH (Model Train Express) is a well-respected brand known for durable, well-engineered models. This specific model features a robust chassis, precise articulation, and solid metal components where needed.

2. **Accurate Scale Representation** The GP35 is a historically significant diesel locomotive, and this model captures its key features, including the distinctive hood design, running boards, and details like the cab windows and ladders. The attention to detail makes it visually appealing for collectors and operators who value realism.

3. **Sound System (PS-3 Sound Engine)** The PS-3 sound engine provides realistic diesel sounds, including horn variations, engine noises, and dynamic braking effects. This enhances the operational experience, making the train feel more immersive.

4. **Electronic Control (EC)** The model includes electronic control features, such as adjustable speed and direction via a remote control (likely compatible with MTH s EC system). This allows for smoother operation and better control over acceleration and braking.

5. **Prototype Accuracy in Features** The model includes realistic details like working headlights, accurate lighting effects, and a detailed interior (visible through the cab windows). The paint scheme and weathering also contribute to its authenticity.

6. **Compatibility with HO Gauge Layouts** As an HO gauge model, it fits seamlessly into most HO-scale layouts, making it a versatile addition for hobbyists with existing collections.

7. **Resale Value** MTH models, especially well-maintained ones, hold their value reasonably well in the secondary market, making this a potentially sound long-term investment.

8. **Operational Reliability** MTH models are generally known for reliability, though like all models, they require occasional maintenance (e.g., brush replacement, motor cleaning) to perform optimally.

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#### **Cons**

1. **Higher Initial Cost** This is a premium model, and the price reflects its quality and features. For hobbyists on a tight budget, the upfront cost may be prohibitive compared to simpler, less detailed models.

2. **Maintenance Requirements** While durable, the PS-3 sound engine and electronic components require occasional servicing. Brushes may need replacement over time, and the motor could wear out with heavy use. This adds to the long-term cost of ownership.

3. **Weight and Space** The model is relatively heavy due to its metal components and sound system, which may require additional consideration for track layout stability or motorized layouts with higher power demands.

4. **Limited Customization** Unlike some models that allow for extensive customization (e.g., repainting, adding decals), this model s detailed prototype scheme may limit modifications without risking damage to the finish or components.

5. **Dependence on Power Supply** The electronic features rely on a consistent power source. Fluctuations or weak power can affect performance, particularly with the sound system or motor responsiveness.

6. **Potential for Wear Over Time** Like all models, prolonged use can lead to wear on the motor, wheels, or articulation points. This may require occasional disassembly and cleaning to maintain smooth operation.

7. **Market Availability and Backorders** Popular MTH models can sometimes face backorders or limited stock, especially during peak holiday seasons. This may delay acquisition if the model is in high demand.

8. **Learning Curve for New Operators** The electronic controls and sound system may require some familiarity to operate effectively, which could be a drawback for beginners who prefer simpler, plug-and-play models.

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### **Conclusion**

The MTH 20-21550-1 Gauge Alaska 2501 GP35 Hood Diesel PS-3 OB EC is a high-quality, detailed, and realistic model that appeals to serious hobbyists who prioritize authenticity, sound, and operational features. Its strengths lie in its craftsmanship, sound system, and electronic controls, making it ideal for collectors, operators, and those with larger layouts where detail matters. However, its higher cost, maintenance needs, and potential complexity may not suit casual hobbyists or those with limited budgets or space.

For someone who values realism, sound, and durability in their model trains, this GP35 is an excellent investment. For beginners or those seeking a simpler, more budget-friendly model, there may be alternatives that better fit their needs.

### **Recommendation**

- You are an experienced model train enthusiast who appreciates detail, sound, and electronic features.

- You have the budget to accommodate its higher price and potential maintenance costs.

- You plan to integrate it into a layout where its realistic features will be fully utilized.

- You value MTH s reputation for quality and are willing to invest in a model that will likely retain its value.

- You are on a tight budget and prefer a simpler, less expensive model (e.g., a basic HO-scale diesel without sound or electronics).

- You are a beginner and want a model that is easier to operate and maintain.

- You prioritize customization over prototype accuracy and are open to modifying a less detailed model.

- You are concerned about the long-term cost of maintenance and potential wear.

Ultimately, this GP35 is a standout choice for those who seek a premium, immersive model train experience. For others, exploring other brands or simpler models may provide a more accessible entry point into the hobby.

Details:

Rear Couplet. Master Volume. Die-Cast Truck Sides, Pilots and Fuel Tank. Single Horn Blast.

One Shot Doppler. That was it for the 567, however, and in 1966 baton passed to more powerful model 645. Metal Handrails and Horn. Reverse Signal.

Locomotive Speed Control In Scale MPH Increments. Extended Shut-down. Forward Signal. Lights except head/tail.

Directional Controlled Constant voltage LED Headlights. Illuminated LED Number Boards. Authentic Paint Scheme. Headlight/Taillight.

Metal Chassis. Metal Body Side Grilles. Onboard DCC/DCS Decoder. Start-up/Shut-down.

Couplet Slack. Movable Roof Fans. For the horsepower race of 1960s, EMD tweaked 567 to a turbocharged V-16 delivering 2500 hp. They were the last road diesels to use EMD 567 motor that had powered switchers, F-units, and Greps since 1939 so named because each cylinder displaced cubic inches.

Engine Sounds. Feature Reset. Their angled cab roofs and the clean, squared-off lines of their car bodies established look EMD power for next three decades. Extended Start-up.

Smoke Volume. Brake Sounds. Detachable Snow Plow. But while the 35 line diesels ushered out an old motor, they inaugurated a new look.

Operating Protozoic Diesel Exhaust. Smoke On/Off. Front Couplet. Lighted LED Cab Interior Light.

Couplet Close. Added-on detail parts include windshield wipers, metal see-thru body grilles, lift rings, grab irons and handrails, rooftop fan housings, brake cylinders, air pipes, swing hangers on our super-detailed Bloomsburg trucks. Metal Wheels, Axles and Gears. O Scale Jade-Compatible Couplet Mounting Pads.

It has very low usage miles on it.

part #: 20215501 prices

• $435.00-$699.99

specifications gscalemodeltraingi:

• brand: Mth
• mpn: 20-21550-1
• power type: Ac
• assembly status: Ready To Go/pre-built
• color: Black
• material: Plastic
• year manufactured: 2022
• grade: C-7 Excellent
• age level: 17 Years Up
• control system: Digital
• item length: 14 3/4 In
• vintage: No
• type: Diesel Locomotive
• rail system: Three-rail System
• corporate roadname: Alaska Railroad
• item height: 4 5/16 In
• theme: Transportation
• features: Light Function, Smoke Unit, Sound Function
• time period manufactured: 2020-now
• country of origin: China
• item width: 2 1/2 In
• upc: 658081450674

general gscale model traingi:

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

seller gscale model traingi:

• city: Pinellas Park, Florida
• # reviews: 6641
• rating: 99.9%

offer gscale model traingi:

• started: June 5, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0
• best offers: True
• quantity: 1

returns gscale model traingi:

• policy: Returns Accepted
• method: Money back
• paid by: Seller
• time: 30 Days

payments gscale model traingi:

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

shipping gscale model traingi:

• service: USPS Ground Advantage
• carrier: USPS
• transit: 4-10 Days
• type: Calculated
• class: Standard
• cost: $16.16

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