The John Deere X145 mower blade part number found is M144202. The blade set part numbers found are GY20850 and TCU21475. The deck uses 3 blades.
John Deere X145 Mower Blade Size and Part Numbers
| Mower blade part number | M144202 |
|---|---|
| Mower blade set part number | GY20850 and TCU21475 |
| Number of blades | 3 blades |
| Blade type | high-lift and mulching |
John Deere X145 Blade Notes
| Blade note | The John Deere X145 blade listing captured here shows single blade part number M144202 and blade set part numbers GY20850 and TCU21475. Confirm the number against the deck tag, old blade stamp or official parts diagram before ordering |
|---|---|
| Deck note | For the John Deere X145, the captured deck information is blade count 3 blades. This helps separate 42-inch, 48-inch, 54-inch and larger deck blade setups |
| Blade type note | The blade type captured for the John Deere X145 is high-lift and mulching. High-lift is usually better for bagging, while mulching blades are for chopping clippings finer under a compatible deck |
| Fitment note | The blunt rule with the John Deere X145: part number and center hole beat guesswork. A blade can be the right length and still be wrong |
John Deere X145 Mower Blade FAQ
What is the difference between the John Deere X145 blade number and blade set number?
The captured single blade number is M144202, while the captured blade set number is GY20850 and TCU21475. Use the single blade number for one replacement and the set number when replacing the full deck set
Can you swap John Deere X145 blade types?
The blade type captured is high-lift and mulching. You can often choose a different style only if it fits the same deck and spindle setup. Use M144202 as the fitment starting point
What should you double-check with the John Deere X145 blade part number?
The captured blade part number is M144202. Because the physical blade measurements are missing here, check the old blade stamp, deck tag or official parts diagram before ordering
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.
