One New Aftermarket Replacement Deck Spindle Assembly for John Deere Riding Mowers and ZTrak Zero-Turn Mowers

This aftermarket replacement blade spindle assembly fits a wide range of John Deere (JD) X300, X500, X700 Series lawn tractors and Z300/Z500 Series ZTrak zero-turn mowers. The spindle mounts in the mower deck and provides the rotating axis for the cutting blade, keeping blade engagement stable and cuts consistent across all deck widths.

Specifications

• Height: 5-11/16 in.
• Thread: M12 x 1.75mm
• Blade Bolt Thread: 9/16-18

Compatible Models

John Deere S Series: S240

John Deere X300 Series: X330, X350, X354, X370, X380, X384, X390, X394

John Deere X500 Series: X570, X580, X590

John Deere X700 Series: X710, X730, X734, X738, X739, X750, X754, X758

John Deere X900 Series: X940, X948, X949

John Deere Z300 Series ZTrak: Z335E, Z335M, Z345M, Z345R, Z355E, Z355R, Z375R

John Deere Z500 Series ZTrak: Z525E, Z535M, Z540M

Note: Verify deck size compatibility (42 in., 48 in., or 54 in. Accel Deep or standard deck) before ordering. Some models apply serial number restrictions -- confirm fit with your serial number when in doubt.

Replaces Part Number(s):

AM144608

Aftermarket Interchange Numbers

Stens 285-934; Aftermarket: 11531, A-B1JD71

New aftermarket replacement part - not remanufactured, not used.