Rotary 12379 Shaft Only For 12066 Mtd by Rotary $11.57 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Other PRODUCT DESCRIPTION DESCRIPTION Spindle Shaft only. Fits later model 42" deck - 600 series. Fits Rotary 10-12066 Spindle Assembly. SPECS SHAFT LENGTH 4-7/8"