The John Deere 400 mower blade part number found is M84472.
Blade part #M84472
John Deere 400 Mower Blade Size and Part Numbers
Mower blade part number
M84472
John Deere 400 Blade Notes
Blade note
The John Deere 400 blade listing captured here shows single blade part number M84472. Use this as a buying guide, then match the blade position, deck size and center-hole style before spending money
Fitment note
For the John Deere 400, use the listed specs as a buying guide, but confirm against the operator manual, parts diagram or old blade before ordering
John Deere 400 Mower Blade FAQ
What should you double-check with the John Deere 400 blade part number?
The captured blade part number is M84472. Because the physical blade measurements are missing here, check the old blade stamp, deck tag or official parts diagram before ordering
Official information note
Mistakes do happen. Blade specs can change by year, mower deck, spindle, serial range and regional parts catalog. Please check the operator manual, old blade stamp, deck tag and official John Deere parts catalog before ordering replacement blades.
