The John Deere Z920A mower blade part number found is M154202. The blade set part number found is TCU30317. The blade measurement captured is thickness 0.25 in (6 mm). The deck uses 3 blades. The captured deck size is 60 in deck.
John Deere Z920A Mower Blade Size and Part Numbers
| Mower blade part number | M154202 |
|---|---|
| Mower blade set part number | TCU30317 |
| Blade thickness | 0.25 in (6 mm) |
| Number of blades | 3 blades |
| Deck size | 60 in deck |
| Blade type | high-lift and mulching |
Blade Size Comparison Chart
Blade thickness comparison
Mower deck size comparison
John Deere Z920A Blade Notes
| Blade note | The John Deere Z920A blade listing captured here shows single blade part number M154202, blade set part number TCU30317, and thickness 0.25 in (6 mm). 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 Z920A, the captured deck information is deck size 60 in deck and blade count 3 blades. Match the blades to the fitted deck, not just the tractor model name |
| Blade type note | The John Deere Z920A blade style captured here is high-lift and mulching. Blade type affects airflow and clipping handling, not just cut width |
| Fitment note | The blunt rule with the John Deere Z920A: part number and center hole beat guesswork. A blade can be the right length and still be wrong |
John Deere Z920A Mower Blade FAQ
What is the difference between the John Deere Z920A blade number and blade set number?
The captured single blade number is M154202, while the captured blade set number is TCU30317. Use the single blade number for one replacement and the set number when replacing the full deck set
Why does the John Deere Z920A deck size matter before buying blades?
The captured deck setup is 60 in deck with 3 blades. That matters because blade sets are deck-specific, not just tractor-model-specific
Can you swap John Deere Z920A 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 60 in deck as the fitment starting point
Is the captured John Deere Z920A blade part number enough to buy from?
The captured blade part number is M154202. 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.

