Rapido HO Scale EMD SD70AC Diesel Locomotive – CSX YN3c Rebuild #4742 w/ Flared Radiator (DC/DCC/Sound)
Rapido HO Scale EMD SD70AC Diesel Locomotive – CSX YN3c Rebuild #4742 w/ Flared Radiator (DC/DCC/Sound)
$315.95
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The Rapido HO Scale EMD SD70AC Diesel Locomotive – CSX YN3c Rebuild #4742 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 updated CSX YN3c paint scheme, this locomotive delivers contemporary railroading realism with premium detail and performance.
Modeled as road number 4742, this locomotive represents a rebuilt SD70MAC converted into SD70AC configuration, part of CSX’s fleet modernization program. CSX rebuilt over 100 SD70MAC units into SD70AC form to extend service life and improve reliability for modern freight operations. :contentReference[oaicite:0]{index=0}
SD70AC Rebuild – Modern CSX Fleet Power
The SD70AC designation reflects CSX’s rebuild initiative, where proven SD70MAC locomotives are upgraded with modern electronics, traction systems, and operational enhancements. These locomotives are widely used across the CSX network in heavy-haul, intermodal, and mainline service.
- CSX Transportation road name
- YN3c paint scheme
- Road number 4742
- SD70AC rebuilt configuration
- Flared radiator variation
- DC/DCC/Sound configuration
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 including track, step, and walkway lights
- Heavy die-cast frame with extensive separate details
- 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
The HO Scale CSX SD70AC #4742 is ideal for modelers focused on present-day railroading, including intermodal service, manifest freight, and heavy-haul operations across the eastern United States. 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
The Rapido HO Scale EMD SD70AC CSX #4742 combines a modern rebuilt prototype, updated CSX YN3c 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.