Bowser Executive Line HO BC Rail #703 Alco C630M Digital DCC Sound 23444 August 15, 2026 By 0 The Bowser Executive Line HO BC Rail #703 Alco C630M Digital DCC Sound 23444 is a ready-to-go model of a red, white, blue, and silver Alco C630M diesel locomotive, designed for collectors and hobbyists aged 17 years and up.