This is designed to work with standard 11000 4 ft diameter curved track

The Trainz SKU for this item is P11536654

The Trainz SKU for this item is P12191944

A special clear circuit protector holds the welding unit in place on the sidewall

SoundTraxx 827109 TSU-1000 Dcdr EMD 645 ProductID_11456594 This is designed to workThis is SoundTraxx 827109 TSU 1000 Dcdr EMD 645. TSU 1000 1 amp Tsunami Diesel Digital Sound Decoder. EMD 645 non turbo (2nd generation): MP15, MP15AC, GP38, GP38 2, SD38, SD38 2, SW1500, SW1000, SW1001, GP15AC, GP15 1. This decoder is for EMD 645 (non turbocharged) diesel engines. and more. Now you can have the best Digital Sound in those hard to fit HO diesels! Tsunami provides waves of pure 16 bit digital sound that will delight your senses; with