Walthers Mainline, HO Scale, 910-21015, EMD SD70M, Union Pacific, #4285, DCC & Sound – Model Train Junction: Quality Parts and Art Supplies

Bring big power to your HO railroad with the WalthersMainline SD70M! Introduced in 1992 and built through 2004, this later “modified” (as noted by the “M” in the model designation) version of the EMD SD70, was equipped with a wide nose and North American Safety Cab. Based on the Phase I version our layout-ready models feature:

• All-New Tooling!
• One time run of these roadnumbers, order now – limited quantity available!
• Correct North American Safety Cab per prototype
• Flush radiators per early production units
• Correct HTCR-1a or HTCR-1b trucks per prototype
• Brass Nathan K5 air horn
• Treadplate detail on walkways
• Minimum radius 18″ (22″ or larger recommended)
• Fully assembled
• LED Lighting includes:
• High or low headlight per prototype
• Improved, working front ditch lights
• Constant and directional lights
• Available with ESU Sound & DCC for DCC or DC powered layouts with:
• Four air horns changeable by CVs:
• K5LAR24
• P5R24
• K3LA2
• K3L
• 2 Bells changeable by CVs:
• Graham E-bell
• Steel Bell
• 21-Pin DCC plug
• Same powerful drive as WalthersProto(R) locos featuring:
• 5-pole skew-wound motor
• 14:1 gear ratio
• Helical-cut gears for quiet operation and easy multiple unit operation
• All-wheel drive and electrical pickup
• Dual machined brass flywheels
• Heavy die cast metal chassis
• Cab interior
• 5000-gallon fuel tank w/road specific details
• Standard bell on conductor’s side
• Molded drill starter points for grab irons – easily added with SD70-Series Diesel Detail Kit (910-261, sold separately)
• Correct size RP-25 metal wheels
• Proto MAX(TM) magnetic metal knuckle couplers

Road-specific details on this model include:

• High headlight
• HTCR-1b trucks
• Solid nose door, no window

PLEASE NOTE: When operating Walthers-branded DCC-equipped locomotives in DC mode, do not use power packs that exceed an 18V rating. This includes MRC 1300-series power packs which have known issues with our decoders.