Bring big power to your HO railroad with the WalthersMainline SD75I! Built from 1996 to 1999 with most still in service, this later variation of the SD70-series introduced the new Isolated or Whisper Cab (noted by the "I" in the model designation), designed to reduce noise and vibration, and easily identified by the visible seam along the nose. Features of the model include:
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
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.

Road-specific details on this model include:
Low headlight
HTCR-1b trucks
Plain nose door, no window