The John Deere 1420 mower blade part number found is M144202. The blade set part numbers found are GY20850 and GY20851. The deck uses 3 blades.
John Deere 1420 Mower Blade Size and Part Numbers
| Mower blade part number | M144202 |
|---|---|
| Mower blade set part number | GY20850 and GY20851 |
| Number of blades | 3 blades |
| Blade type | high-lift, mulching, standard, and bagging |
John Deere 1420 Blade Notes
| Blade note | The John Deere 1420 blade listing captured here shows single blade part number M144202 and blade set part numbers GY20850 and GY20851. 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 1420, the captured deck information is blade count 3 blades. Match the blades to the fitted deck, not just the tractor model name |
| Blade type note | The John Deere 1420 blade style captured here is high-lift, mulching, standard, and bagging. Blade type affects airflow and clipping handling, not just cut width |
| Fitment note | Before ordering John Deere 1420 blades, compare the old blade stamp, center-hole shape, blade length and deck size. Close-looking blades can still be wrong |
John Deere 1420 Mower Blade FAQ
What is the difference between the John Deere 1420 blade number and blade set number?
The captured single blade number is M144202, while the captured blade set number is GY20850 and GY20851. 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 1420?
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 1420 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.
