This is a pulley drive water pump that uses a single groove V-belt
2816 HST 4WD
Massey Ferguson TRACTOR: 50 (Perkins diesel with sediment bowl)
Compatible with John Deere Tractor Model: 950
Compatible with Yanmar Tractor Models: YM195
Yanmar Tractor Splined Shaft Connector w/ Snap Ring Replaces 194190-26180, 194150-25220, 194310-25100 This is a pulley driveYanmar Tractor Splined Shaft Connector w Snap Ring Compatible with Yanmar Tractor Models: YM195, YM226, YM240, YM1500, YM1600, YM1601, YM1700, YM1900, YM2000, YM2001, YM2010, YM2202, YM2210, YM2220, YM2301, YM2310, YM2402, YM2420, YM4300, F17, FX17, F18, FX18 Replaces OEM# 194190 26180, 194150 25220, 194310 25100 OEM# for reference only.