Run nice The N LIFE LIKE 7779 SD7 Chessie System B&O # 1828 is a ready-to-go diesel locomotive model by Life-Like. This 1:160 scale N gauge locomotive features a vibrant yellow color with Chessie System branding, complete with light function and detailed paint. Made of plastic, this analog-controlled locomotive is a perfect addition to any model railroad collection, offering C-7 Excellent grade quality for enthusiasts seeking a realistic and well-crafted piece for their layout.