The ALCO RSD-15 were built between 1956 and 1960 in Schenectady, New York. Rated at 2,400 horsepower these versatile were known as a “Jack of all trades” as they were suited for mainline freight as well as passenger service.  They also saw duty as a yard switcher!
Railroads could order the RSD-15 with either a high or low front hood.  The low hood versions quickly donned the nickname of …Alligators…

Industry-Leading Features OVERVIEW:
• Features the ALL-NEW Paragon2 SOUND & Control System
• Integral DCC Decoder with Back EMF for Industry Best Slow Speed Operation in DC and DCC
• Precision Drive Mechanism engineered for continuous heavy load towing and smooth slow speed operation
• 5-Pole Can Motor with Skew Wound Armature
• Premium Caliber Painting with Authentic Paint Schemes
• Prototypical Light Operation
• Operating Knuckle Couplers
• Factory Installed Engineer and Firemen Figures
• Minimum radius: 18” radius or greater recommended.

Industry-Leading SOUND / OPERATION Features:
• Operates in DC & DCC (use DCMaster for DC sound)
• Auto Pilot (ATS) - Records and plays back sound and movement sequences for automated operation. (Macro Operation)
• 16-bit Sample Rate for exceptional high frequency sound clarity
• Playable Whistle for multiple whistle lengths and patterns
• Choice of 3 selectable Whistles / Horns
• Alternate Whistle / Horn where applicable for locomotives with air horn and steam whistle - both the main whistle and alternate can be easily played
• Adjustable bell ringing interval for faster or slower bell
• Numerous user-mappable functions with available keys
• Passenger Station Ambient Sounds - Controlled with Function Key
• Freight Yard Ambient Sounds - Controlled with Function Key
• Lumber Yard Ambient Sounds - Controlled with Function Key
• Maintenance Yard Ambient Sounds - Controlled with Function Key
• Grade Crossing Automatic Signal
• 8 Diesel Motor Revs (Diesels only)
• Simple Programming with Integral DCC Decoder
• Automatic Forward / Reverse Signal - When activated, stopping triggers a stop whistle toot. When moving forward from a stopped position, toots twice. When moving in reverse, toots three times.
• Engine sound intensity varies with load
• Individually adjustable sound volumes for each effect
• EZ Reset Button for quick return to factory default settings