The John Deere SX75 mower blade part number found is M144202. The blade set part numbers found are GX22151 and GY20850. The deck uses 2 blades.
John Deere SX75 Mower Blade Size and Part Numbers
| Mower blade part number | M144202 |
|---|---|
| Mower blade set part number | GX22151 and GY20850 |
| Number of blades | 2 blades |
| Blade type | high-lift, mulching, standard, and bagging |
John Deere SX75 Blade Notes
| Blade note | The John Deere SX75 blade listing captured here shows single blade part number M144202 and blade set part numbers GX22151 and GY20850. Do not buy purely from model name if the mower deck or serial range is different |
|---|---|
| Deck note | For the John Deere SX75, the captured deck information is blade count 2 blades. Deck size matters because the same model family can use different blade kits |
| Blade type note | For the John Deere SX75, blade type is listed as high-lift, mulching, standard, and bagging. Pick the blade style for the job: clean discharge, bagging lift, or mulching |
| Fitment note | Before ordering John Deere SX75 blades, compare the old blade stamp, center-hole shape, blade length and deck size. Close-looking blades can still be wrong |
John Deere SX75 Mower Blade FAQ
What is the difference between the John Deere SX75 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
Which blade type should you use on the John Deere SX75?
The blade type captured is high-lift, mulching, standard, and bagging. Use that against the captured fitment value M144202. High-lift helps bagging/discharge; mulching blades need the right mulching setup
Is the captured John Deere SX75 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
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.

