John Deere 100 Mower Blade Size

Quick answer:

The John Deere 100 mower blade part number found is M144202. The blade set part numbers found are GX22151 and GY20850. The deck uses 2 blades.

Blade part #M144202
Blade set part #GX22151 and GY20850
Blade count2 blades

John Deere 100 Mower Blade Size and Part Numbers

Mower blade part number M144202
Mower blade set part number GX22151 and GY20850
Number of blades 2 blades

John Deere 100 Blade Notes

Blade note The John Deere 100 blade listing captured here shows single blade part number M144202 and blade set part numbers GX22151 and GY20850. Use this as a buying guide, then match the blade position, deck size and center-hole style before spending money
Deck note For the John Deere 100, the captured deck information is blade count 2 blades. Match the blades to the fitted deck, not just the tractor model name
Fitment note Blades are cheap until you buy the wrong set twice. On the John Deere 100, confirm part number, deck size and blade count before buying

John Deere 100 Mower Blade FAQ

What is the difference between the John Deere 100 blade number and blade set number?

The captured single blade number is M144202, while the captured blade set number is GX22151 and GY20850. Use the single blade number for one replacement and the set number when replacing the full deck set

Is the captured John Deere 100 blade part number enough to buy from?

The captured blade part number is M144202. That helps with OEM lookup, but the blade length, width and center hole were not fully captured here. Confirm the deck or old blade before trusting an aftermarket cross-reference

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.