It's based on a design first used in the late 1970s

The Trainz SKU for this item is P11446826

Trainz Product Id: 12152033

Model Number: 12269

Broadway Limited 3585 N Baltimore & Ohio EMD E6 AB Diesel Loco Paragon3 #61/61x ProductID_11408523 It's based on a designThis is a Broadway Limited 3585 N Scale Baltimore & Ohio EMD E6 AB Set Blue, Gray, Black Scheme, A unit w Paragon3 Sound DC DCC, Unpowered B unit #61 61x. Industry Leading Features: NEW Paragon3 Sound & Operation System FEATURING ROLLING THUNDERTM with Authentic Sounds and Prototypical Operation in both DC and DCC environments, Integral DCC Decoder with Back EMF for Industry Best Slow Speed Operation in DC and DCC, Precision Drive Mechanism engineered