Walthers Mainline 910-21011 HO EMD SD70M Norfolk & Southern Locomotive Sound/DCC
ABOUT THIS PRODUCT
CONDITION: New
Walthers Mainline Part #910-21011
HO Scale
EMD SD70M
NS Norfolk and Southern Railroad #2581
DCC and ESU Sound Equipped
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 road numbers
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
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.
Walthers Mainline Part #910-21011
HO Scale
EMD SD70M
NS Norfolk and Southern Railroad #2581
DCC and ESU Sound Equipped
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 road numbers
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
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.
SHIPPING
Orders ship within 1 business day unless otherwise specified. All shipments are professionally packaged to ensure safe transit to you.
Most orders ship via USPS Ground Advantage or UPS Ground, tracked and insured. Depending on the value of the shipment, signature confirmation may be required.
You will receive a tracking number once the shipping label has been generated so that you may track shipment progress.
RETURNS & SUPPORT
- View our Return Policy here.
- Get Product Support resources here.
- Questions? Contact us.

Walthers Mainline 910-21011 HO EMD SD70M Norfolk & Southern Locomotive Sound/DCC