A Factory Spreader spinner Transmission (part # 83722). This has a 8:1 Ratio with a 5.9" shaft. This is used on many spreaders with many part #'s
This is also available Aftermarket under part # 59075.
The SnowEx part #'s are D6107 , 75640 , 83722, and 51028. The Spinner transmission for the SP2000, SP-575,SP-575X, SP-1075, SP-1075X, SP-575V, SP-1575, SP-1575-1, .35 Helixx, .7 Helixx, VX-1500, SP-3000, SP-6000, SP-7500, SP-7550.
Western Part # 51028, 75640, 83722,.35 Striker , .7 Striker, 525 Pro-flo, Tornado Lt , Tornado UTV
Fisher Part # 51028, 75640, 83722,.35 Steel-caster , .7 Steel-caster, 525 Speed-caster, Poly -caster LT, Poly-Caster UTV
SnowEx made this for other companies too, like
Curtis Fast Cast 2000 and Fast Cast 175, Transmission 1CS1P53.
Buyers also uses this as a replacement for gearbox # 9032001.
Meyer part # 37204 for the 10.75 Ez-flow.
It hooks up to a number of different motors: D6106, D6214, D6827 , 75901, 72690, and 75626. It has a 5/8" shaft that sticks out 5-7/8" from the seal to the end, and there are two drilled 3/16" holes in the shaft with a 3-15/16" spread on them.
If you need the coupler between the motor and transmission, thatis part # D6232.
For an exmaple of its installation on a SnowEx spreader, check this link.