Rapido HO Scale EMD SD70AC Diesel Locomotive – CSX YN3 Scheme #4701 w/ Flared Radiator (DC/DCC/Sound)

TheRapido HO Scale EMD SD70AC Diesel Locomotive – CSX YN3 Scheme #4701 w/ Flared Radiator (DC/DCC/Sound)is a highly detailed HO scale model representing modern rebuilt diesel power in active CSX Transportation service. Finished in the boldCSX YN3 paint scheme, this locomotive delivers contemporary railroading realism with premium detail and performance.

Modeled as road number4701, this locomotive represents a rebuilt SD70MAC converted intoSD70AC configuration, part of CSX’s modernization program. These units feature updated systems and extended service life, making them a key component of today’s CSX freight operations. :contentReference[oaicite:0]{index=0}

SD70AC Rebuild – Modern CSX Power

TheSD70AC rebuild programreflects CSX’s effort to modernize its locomotive fleet by upgrading proven SD70MAC platforms. These rebuilt units retain their original strength while incorporating updated electronics and performance improvements for modern freight service.

• CSX Transportationroad name
• YN3 paint scheme
• Road number 4701
• SD70AC rebuilt configuration
• Flared radiatorvariation
• DC/DCC/Soundconfiguration

Premium Rapido HO Scale Features

• Late-production Tier 1 SD70 tooling – first time in plastic
• Flared radiator variation specific to rebuilt units
• Multiple nose and cab variations (nose light, high headlight, gyralight)
• Railroad-appropriate PTC antennas where applicable
• Three HTCR truck variations with rotating bearing caps
• Full lighting package includingtrack, step, and walkway lights
• Heavy die-cast framefor superior traction and pulling power
• Metal grab irons and etched-metal steps
• Full cab interior detailing
• MoPower capacitor system for uninterrupted DCC operation
• Suggested minimum radius:22 inches

Ideal for Modern HO Scale Layouts

TheHO Scale CSX SD70AC #4701is ideal for modelers focused on present-day railroading, including manifest freight, intermodal service, and heavy-haul operations across eastern United States railroads. These rebuilt locomotives are commonly seen in modern CSX consists, making them essential for accurate contemporary layouts.

• Modern HO scale diesel locomotive rosters
• CSX contemporary operations
• Intermodal and mixed freight service
• Distributed power and multi-unit consists
• Collectors of modern rebuilt locomotives

Expand Your SD70 Series Fleet

Looking to build out your modern diesel roster? Explore more SD70-series locomotives here:

Shop Rapido HO Scale EMD SD70MAC & SD70 Series Locomotives

Why This Model Stands Out

TheRapido HO Scale EMD SD70AC CSX #4701combines a modern rebuilt prototype, bold CSX styling, and premium HO scale construction into one standout locomotive. Whether you are modeling current CSX operations or expanding a modern diesel fleet, this locomotive delivers both realism and strong visual presence.

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