From Messick's website: Other tractors that use the part no.
Kubota: HST ASSY
Part Number 66415-11600
Vendor Kubota
Messick's Price Not Available
Stock Quantity 0
Weight 34.20 lbs
Days to Order See Supersessions
Replaced By H6640-10600
HST ASSY
The part fits the 6 models listed below:
B1550HST-D (Hydrostatic Transmission, 4wd) - T05100 HST
B1550HST-D (Hydrostatic Transmission, 4wd) - T05202 HST [COMPONENT PARTS]
B1550HST-E (Hydrostatic Transmission, 2wd) - T05100 HST
B1550HST-E (Hydrostatic Transmission, 2wd) - T05202 HST [COMPONENT PARTS]
B1750HST-D (Hydrostatic Transmission, 4wd) - T05100 HST
B1750HST-D (Hydrostatic Transmission, 4wd) - T05202 HST [COMPONENT PARTS]
B1750HST-E (Hydrostatic Transmission, 2wd) - T05100 HST
B1750HST-E (Hydrostatic Transmission, 2wd) - T05202 HST [COMPONENT PARTS]
B7100HST-D NEW TYPE >=S / N60164 (Hydrostatic Transmission, 4wd) - T42000 HST
B7100HST-D NEW TYPE >=S / N60164 (Hydrostatic Transmission, 4wd) - T43000 HST [COMPONENT PARTS]
B7100HST-E NEW TYPE >=S / N20025 (Hydrostatic Transmission, 2wd) - T42000 HST
B7100HST-E NEW TYPE >=S / N20025 (Hydrostatic Transmission, 2wd) - T43000 HST [COMPONENT PARTS]