Bulletin: ALCO 6cyl 251C (FT)

Manufacturer: ESU electronic solutions ulm, Item number: 74491, Version: V1 R1

Equipped with ESU "FULL THROTTLE" features!
MUST use LokProgrammer Version 4.5.1 or newer

The ALCO 251 prime mover was the most popular and abundant prime mover ever made by the company. While it proved to be quite successful, it sadly outlived its original manufacturer, ALCO who closed their doors in 1969. The 251 prime mover is actually still available to purchase today from Fairbanks Morse for use in Marine, Generator, and locomotive uses.

The 1000 horsepower 6cyl version of the 251C could be found in the following locomotives:

MLW S-13
MLW RS-23

Almost identical sounding 6cyl 251, 251A, 251B, and 251D were found in the following locomotives:
S-5
S-6
T-6
DL535E
DL535EW
NSWR 48 Class
830 Class

New FULL THROTTLE features:
Drive Hold: Sound Slot 2 Mapped to F9
Independent Brake: Sound Slot 11 Mapped to F10
Run 8: Sound Slot 20 (not Mapped)
Coast: Sound Slot 21 (not Mapped)

For more info please see the "Full Throttle" Quick Start Guide in the ESU Instruction Manual Section of our Website.
http://www.esu.eu/en/downloads/instruction-manuals/digital-decoders/

KeyFunctionsSound slotsVolume CVsVolume values
F0Directional Headlights
F1Bell428350
F2Playable Airhorn3275128
F3Coupler5291128
F4Dynamic Brake629990
F5AUX3 (Rotary Beacon)
F6AUX1 + AUX2 (Front Ditchlights)
F7Switching Mode
F8Sound (On/Off)1259128
F9Drive Hold2267128
F10Independent Brake1133920
F11Radiator (Fan) Sound831550
F12Dimmer (Headlights)
F13AUX4 (Rear Ditchlights)
F14N/A
F15Fast Spitter Valve1537150
F16Spitters on Shutdown
F17Brake Set / Brake Release
F18Sanding Valve13355128
F19Short Air Let Off14363128
F20Compressor730750
F21Slow Spitter Valve1738750
F22N/A
F23N/A
F24N/A
F25N/A
F26N/A
F27N/A
F28N/A

Make sure that index CV31 is set to 16 and index CV32 is set to 1 before changing a volume CV.