---Specifications and Part Numbers---
Cast Iron HEAVY DUTY Spindles
Replacement --Spindles--W/ all hardware mounting bolts
top nut spacer and blade bolt
Height: 6-15/16"
OD: 5-1/4"
Grease Zerk
539131898; 539112170
Oregon blades
--Blades--
Length: 21"
Width: 2-1/2"
Thickness: .204"
Center Hole: 5 point star
539113312; 532134149
---Fits Models---
MZ6125 - MZ6128
61" mower decks
FD61M
MZT61
Please double check model, year model, serial and part numbers for fitment prior to purchase.