Athearn Genesis HO ATHG71122 DCC Ready EMD SD70M Locomotive EMDX 'Maroon / Black' #7024

Description

Athearn Genesis HO ATHG71122 DCC Ready EMD SD70M Locomotive EMDX 'Maroon / Black' #7024

EMDX FEATURES:

• Solid maroon/black scheme
• Large EMD front plow
• Round EMD style front ditch lights
• Can-style roof antenna
• Early EMD trucks with hidden bearings

During 1995, EMD built 22 SD70M’s for their lease fleet, including 3 official demonstrators built in 1992. Painted in 2 schemes (solid EMD maroon and black, and maroon, grey and silver), EMD was able to provide many different railroads to test and compare their new 710 prime mover to other current models. These could be seen all over the US and added a splash of color when mixed in locomotive consists. By the early 2000’s, they were sold to CSX and eventually painted into CSX colors.

SD70 SERIES LOCOMOTIVE FEATURES:

• Coupler cut levers
• Flexible Trainline and MU hoses
• MU stands
• Windshield wipers
• Lift rings
• Wire grab irons
• Walkway tread
• Sanding lines
• Lit signal lights and/or beacons, if equipped
• Detailed fuel tank with fuel fillers, fuel gauges, and breather pipes
• Speed recorder unless noted
• EMD HTCR trucks, early with hidden bearings, or late with exposed bearings per prototype
• See-through cab windows and full cab interior
• Fine-scale Celcon handrails for scale appearance
• Body-mounted McHenry scale knuckle couplers - Kadee compatible
• DCC-ready features Quick Plug plug-and-play technology with 21-pin NEM connector**
• Scaled from prototype resources including drawings, field measurements, photographs, and more
• Accurately painted and printed paint schemes
• Genesis driveline with 5-pole skew wound motor, precision machined flywheels, and multi-link drivetrain
• All-wheel drive with precision gears for smooth & quiet operation
• All-wheel electrical pickup provides reliable current flow
• Wheels with RP25 contours operate on all popular brands of track
• LED lighting for realistic appearance
• Heavy die-cast frame for greater traction and more pulling power
• Packaging securely holds for the model for safe storage
• Minimum radius: 18” — Recommended radius: 22”

**Lombard Hobbies Recommendation - As modelers ourselves we highly recommend ONLY running DCC on DCC systems and DC on DC systems, regardless of 'Dual-Mode' capability. This gives optimum performance and safeguards the unit from possible damage from running on a different system than originally intended and from any inexperienced operator errors.

PROTOTYPE SPECIFIC INFORMATION

Continuing upon the successful SD60-series, in 1992 EMD debuted the next step in locomotive evolution with the SD70-series. While outwardly similar at first glance to the SD60M, the D.C.-drive SD70M featured several external design refinements from the predecessor model. Battery boxes were relocated to the left-hand side walkway immediately behind the cab, a large, boxy forward traction motor blower housing replaced the angular version used on SD60s, the raised walkway duct on the left hand walkway was eliminated, and an intake for the rear traction motor blower on the left hand side of the carbody, directly under the rear radiator intake grill, was added.

Internally, the SD70 boasted improvements as well; a 16-710GB prime mover, rated at 4,000hp, was coupled to a new alternator design, the AR20. New D70TR traction motors were standard, and controlling all of this power and locomotive function was EMD’s new EM2000 microprocessor, which boasted more memory, twice the processing speed, and improved locomotive self-diagnostic capabilities compared to the processor suite used in the SD60. Even more revolutionary was the inclusion of EMD’s patented “Radial” truck design, the HTC-R. This design, which made its debut under EMD Demo SD60 #3, replaced the venerable HT-C truck, and is unique in its ability to shift, or “steer”, the wheelsets laterally through curves, resulting in greatly reduced wheelset and track wear, and coupled with the new D70TR traction motors and EM2000 microprocessor, greatly improved adhesion.

Continuing with previous practice, EMD built a set of Demonstrator SD70Ms, EMD 7000-7002, all equipped with the North American safety-cab (hence the “M” in their model designation), and decked out in an attractive gray, silver, and burgundy paint scheme. These units traveled all over North America, showing off the latest technology from EMD. Atchison Topeka and Santa Fe railroad requested a 4300 horsepower version resulting in the SD75M. As production continued, EMD incorporated their new “Whisper Cab” design resulting in the SD75I. The updated cab SD75I was purchased by Santa Fe successor Burlington Northern and Santa Fe, Canadian National, and the Ontario Northland.

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