The John Deere Z445 mower blade part numbers found are M141785 and M119206. The blade set part number found is GY20685. The blade measurement captured is center hole 1 in (25 mm). The deck uses 3 blades. The captured deck size is 54 in deck.
John Deere Z445 Mower Blade Size and Part Numbers
| Mower blade part number | M141785 and M119206 |
|---|---|
| Mower blade set part number | GY20685 |
| Blade center hole size | 1 in (25 mm) |
| Number of blades | 3 blades |
| Deck size | 54 in deck |
| Blade type | high-lift, mulching, bagging, and 3-in-1 |
Blade Size Comparison Chart
Mower deck size comparison
John Deere Z445 Blade Notes
| Blade note | The John Deere Z445 blade listing captured here shows single blade part numbers M141785 and M119206, blade set part number GY20685, and center hole 1 in (25 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 Z445, the captured deck information is deck size 54 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 Z445 blade style captured here is high-lift, mulching, bagging, and 3-in-1. Blade type affects airflow and clipping handling, not just cut width |
| Fitment note | Before ordering John Deere Z445 blades, compare the old blade stamp, center-hole shape, blade length and deck size. Close-looking blades can still be wrong |
John Deere Z445 Mower Blade FAQ
Why does the John Deere Z445 blade center hole matter?
The captured center-hole detail is 1 in (25 mm). If the hole shape or size is wrong, the blade may not seat correctly on the spindle even if the length looks right
Should you buy one John Deere Z445 blade or a full set?
The single blade number captured is M141785 and M119206, and the set number captured is GY20685. If one blade is bent from damage, one may be fine; if they are worn down, replacing the full set usually gives a cleaner cut
Why does the John Deere Z445 deck size matter before buying blades?
The captured deck setup is 54 in deck with 3 blades. That matters because blade sets are deck-specific, not just tractor-model-specific
Can you swap John Deere Z445 blade types?
The blade type captured is high-lift, mulching, bagging, and 3-in-1. You can often choose a different style only if it fits the same deck and spindle setup. Use 54 in deck as the fitment starting point
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.
