24 Volt Timer Motor is 1/30 rpm and has blue wires. Newest part number 19659-1.
Previously # 13494, 14104, or just # 19659.
Requires 24 volt AC transformer.
Used in some Fleck 5600, Fleck 32/3210 Timers ( 2500, 2510 Valves ) and Fleck 9000 ( & 9100 ).

Oldest part number was 13494 ( prior to year 2000 ). Often with the letter B in front of it.
Note, the new motors do not look exactly like the older versions, but they are the direct manufacturer part now being used.
They have a metal drive gear, not plastic.