* Limited edition - one time run of these roadnumbers!
 
* Model today's railroading at WalthersMainline prices
 
* One of the backbones of contemporary loco fleets
 
* Prototypes in service 2005 to the present
 
* Easily handles 18" radius curves (22" or larger recommended)
 
* LED Lighting includes:
 
- High or low headlight per prototype
 
- Working front ditch lights
 
* Fully assembled
 
* Factory-installed SoundTraxx(R) sound for DCC & DC layouts with:
 
16-bit digital quality sound
 
Horn and short horn toot
 
Bell
 
Prime mover
 
Three lighting functions
 
* 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 chassis
 
Constant and directional lights
 
* Molded drill starter points for grab irons (sold separately)
 
* RP-25 metal wheels
 
* Proto MAX(TM) metal knuckle couplers
 
First unveiled in 1992, the SD70 underwent a number of upgrades resulting in the more powerful SD70ACe introduced in 2005 with alternating current traction motors.