1. G Scale Model Railroads Trains For Sale
  2. sku: 20251640231911731
  3. INTERMOUNTAIN 49123S-04

INTERMOUNTAIN 49123S-04 Ho Imrc Road Diesel Keep Alive Cnj F3A 57

49123s-04 Intermountain Ho Imrc Ed F3a Road Diesel Dcc Keep Alive Cnj 57

( Brand: Intermountain ), ( Manufacturer Part Number: 49123S-04 ), ( Power Type: Dc ), ( Assembly Status: Ready To Go/pre-built ), ( Color: Multicolor ), ( Wheel Configuration: B-b ), ( Material: Plastic ), ( Grade: C-6 Very Good ), ( Control System: Digital ), ( Age Level: 17 Years Up ), ( Gauge: Ho ), ( Vintage: No ), ( Type: Diesel Locomotive ), ( Rail System: Two-rail System ), ( Unit Type: Unit ), ( Corporate Roadname: Central Of New Jersey ), ( Features: Dcc Fitted, Light Function, Painted ), ( Country Of Origin: China )

Review INTERMOUNTAIN Ho Imrc Ed F3a Road Diesel Dcc Keep Alive Cnj 57

The **Intermountain 49123S-04 HO Scale IMRC ED F3A Road Diesel Keep Alive (C&J 57)** is a meticulously crafted, high-detail model designed to bring the authentic charm of a classic American diesel locomotive to your HO-scale layout. This model represents the **F3A** class, a robust and iconic unit originally built by the **EMD** (Electro-Motive Division) in the mid-20th century, known for its reliability and widespread use in freight and passenger service across North America. The **C&J 57** designation refers to its assignment to the **Chicago & North Western Railway (C&NW)**, one of the most recognizable railroads in the Midwest, where these locomotives played a vital role in hauling freight, mail, and passenger trains through the heartland.

Engineered with **Intermountain s signature precision**, this model captures the essence of the F3A with an impressive level of detail. The **HO-scale (1:87)** body is constructed from high-quality materials, featuring a **die-cast metal chassis** for durability and smooth operation, paired with a **resin or high-detail plastic body** that showcases the locomotive s intricate features. The **cab interior** is thoughtfully designed, complete with a **functional control stand**, **operational bell and horn**, and **realistic lighting**, including **running lights, headlights, and a detailed cab interior glow** that enhances immersion. The **pantograph** is fully articulated, allowing for smooth operation under a working overhead line, while the **couplers** are **Kadee-style** for easy connection to other rolling stock.

One of the standout features of this model is its **Keep Alive (KA) battery system**, which ensures the locomotive remains in a fully operational state even when not in use. This innovative technology prevents the need for frequent charging cycles, making it ideal for collectors and hobbyists who want a ready-to-run model without the hassle of constant maintenance. The **F3A s signature long hood and short hood design** is faithfully reproduced, complete with **accurate ladders, handrails, and grab irons**, while the **smokebox** is detailed with **realistic piping and a functional smoke emitter** (optional) for added realism. The **wheelbase and truck setup** are optimized for smooth movement, with **DCC-ready electronics** (compatible with most DCC systems) that allow for precise speed and direction control, along with **sound capabilities** (if equipped with an optional sound module) to replicate the authentic roar of a diesel engine.

The **C&NW livery** is rendered with **high-fidelity paintwork**, featuring the railroad s classic **black and yellow scheme** with crisp, weathered details that reflect the locomotive s age and service history. The **road number 57** is prominently displayed in the correct C&NW style, while **lettering and markings** such as the railroad s logo, builder s plates, and operational details are meticulously applied for historical accuracy. For enthusiasts who appreciate extra realism, the model can be further enhanced with **weathering effects**, **dirt and grime**, or **custom decals** to represent specific eras or modifications the original locomotive may have undergone during its service life.

Whether displayed as a standalone centerpiece or integrated into a dynamic HO-scale layout, the **Intermountain 49123S-04 IMRC ED F3A Road Diesel Keep Alive (C&J 57)** delivers an unmatched blend of **historical authenticity, operational convenience, and visual appeal**. Its **Keep Alive battery** ensures it s always ready for action, while its **detailed construction and DCC compatibility** make it a versatile addition to any model railroad collection. Perfect for both beginners and seasoned hobbyists, this locomotive embodies the spirit of mid-century railroading, offering a rewarding experience for those who appreciate the artistry and engineering behind HO-scale modeling.

### **Pros and Cons of buying a Intermountain 49123S-04 HO IMRC Electric Diesel Keep-Alive CNJ 57 Locomotive**

#### **Pros**

1. **High-Quality Construction** The Intermountain 49123S-04 is built with durable materials, including a metal chassis and detailed plastic body, ensuring longevity and realistic appearance.

2. **Electric Diesel Keep-Alive Feature** The CNJ 57 model includes a keep-alive battery system, which allows the locomotive to retain its programming and settings even when powered off. This is particularly useful for layouts with frequent power interruptions or for those who prefer to store their trains without resetting functions.

3. **Realistic Sound and Lighting** The locomotive features realistic diesel sounds (including horn, engine, and exhaust) and LED lighting, enhancing the modeling experience.

4. **Accurate Scale and Detail** The model is meticulously detailed, with accurate proportions, livery, and branding for the CNJ 57 class, making it a visually appealing addition to any HO-scale layout.

5. **Compatibility with DCC Systems** The locomotive is DCC-compatible, allowing for advanced control options such as speed and direction adjustments, as well as sound and lighting programming via a DCC system like NCE, Lenz, or Bachmann.

6. **Good Value for a Premium Model** While not the cheapest option, it offers a balance between cost and quality, making it a solid choice for serious modelers who want a reliable, feature-rich locomotive.

7. **Durability and Reliability** Intermountain models are known for their robust construction, reducing the risk of mechanical failures over time.

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#### **Cons**

1. **Higher Initial Cost** Compared to basic AC-powered locomotives, this DCC-compatible model with advanced features comes at a premium price, which may be a barrier for budget-conscious collectors.

2. **Requires DCC System for Full Functionality** While the keep-alive battery allows basic operation without a DCC system, full control (sound, lighting, and advanced programming) requires a compatible DCC controller, adding to the overall investment.

3. **Potential for Complex Assembly** Some modelers may find the assembly process slightly more involved than plug-and-play AC models, though Intermountain typically provides clear instructions.

4. **Limited Availability of Replacement Parts** As with many specialty models, finding replacement parts or accessories (e.g., batteries, wiring) may be more difficult compared to mass-produced locomotives.

5. **Battery Dependency for Keep-Alive** The keep-alive feature relies on a small battery, which may need occasional replacement (though Intermountain batteries are designed to last years). Forgetting to replace it could lead to lost programming.

6. **Weight Consideration** Being a metal-chassis locomotive, it may be slightly heavier than plastic-bodied models, which could affect track wear over time if used on layouts with sensitive or older track.

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### **Conclusion**

The Intermountain 49123S-04 HO IMRC Electric Diesel Keep-Alive CNJ 57 is an excellent choice for modelers who prioritize realism, durability, and advanced features. Its keep-alive battery, DCC compatibility, and detailed construction make it ideal for serious hobbyists willing to invest in a high-quality locomotive. However, the higher cost and requirement for a DCC system may not suit casual modelers or those on a tight budget. If you already own or plan to invest in a DCC system and want a reliable, feature-rich locomotive, this model is highly recommended. For those looking for a simpler, more affordable option, a basic AC-powered locomotive might be a better fit.

### **Recommendation**

**Buy this locomotive if:**

- You have or plan to purchase a DCC system.

- You value durability, realistic features, and keep-alive functionality.

- You are willing to invest in a premium model for long-term use.

- You appreciate detailed, accurately scaled locomotives with advanced sound and lighting.

**Avoid this locomotive if:**

- You are on a tight budget and prefer simpler, AC-powered models.

- You do not own or intend to use a DCC system.

- You prioritize ease of use over advanced features.

- You are unsure about the long-term commitment to maintaining a high-quality model.

Details:

It is DCC controlled with a Train Control Systems KAM4-LED decoder, which includes Keep Alive function. Here is an HO Scale InterMountain Railway Company EMD F3A Covered Wagon Road Diesel, Product #49123S-04. I just tested it and runs smoothly quietly forward reverse, the headlight is functioning properly. I charge nothing for any shipping materials or my time which is the most precious of this.

This loco is priced to MOVE!, I am an individual hobbyist who has just changed scales, so ALL my HO equipment must go. It comes in its original box and includes decoder a settings card. NOTE: It is programmed to run in the opposite direction from throttle setting, so that it can be consisted with EMD F3A CNJ 53, listed separately.

part #: 49123s04 prices

  • $67.26-$299.99

specifications gscalemodeltraingi:

  • brand: Intermountain
  • mpn: 49123s-04
  • power type: Dc
  • assembly status: Ready To Go/pre-built
  • color: Multicolor
  • wheel configuration: B-b
  • material: Plastic
  • grade: C-6 Very Good
  • control system: Digital
  • age level: 17 Years Up
  • gauge: Ho
  • vintage: No
  • type: Diesel Locomotive
  • rail system: Two-rail System
  • unit type: Unit
  • corporate roadname: Central Of New Jersey
  • features: Dcc Fitted, Light Function, Painted
  • country of origin: China

payments gscale model traingi:

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

shipping gscale model traingi:

  • class: Standard
  • transit: 5-12 Days
  • cost: $8.81
  • carrier: USPS
  • type: Calculated
  • service: USPS Ground Advantage

offer gscale model traingi:

  • availability: In Stock
  • sold: 0
  • started: March 11, 2026
  • quantity: 1
  • best offers: True
  • options: Ship-to-home

seller gscale model traingi:

  • # reviews: 3662
  • rating: 100.0%
  • city: Houston, Texas

general gscale model traingi:

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

returns gscale model traingi:

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power type: dc, assembly status: ready to go/pre-built, wheel configuration: b-b, grade: c-6 very good, control system: digital, age level: 17 years up, gauge: ho, vintage: no, type: diesel locomotive, rail system: two-rail system, unit type: unit, corporate roadname: central of new jersey, features: dcc fitted, light function, painted, country of origin: china,
category: toys & hobbies > model railroads trains > railroads trains > locomotives, color: multicolor, material: plastic, sku: 20251640231911731,
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5 offers $67.26–$299.99 USD
  • Used. Offer #1 priced at $67.26 + $15.35 shipping estimate = $82.61* total. +$15.35 shipping
  • New. Offer #2 priced at $205.00 + $15.00 shipping estimate = $220.00* total. +$15.00 shipping
  • Used. Offer #3 priced at $299.99 + $15.00 shipping estimate = $314.99* total. +$15.00 shipping
  • Used. Offer #4 priced at $100.00 + $15.10 shipping estimate = $115.10* total. +$15.10 shipping
  • Used. Offer #5 priced at $58.12 + $15.35 shipping estimate = $73.47* total. +$15.35 shipping

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