The John Deere LA115 mower blade part number found is GY20850. The blade set part number found is GY20850. The blade measurement captured is thickness 0.188 in (5 mm) and center hole star / 0.38 in (10 mm). The deck uses 2 blades.
John Deere LA115 Mower Blade Size and Part Numbers
| Mower blade part number | GY20850 |
|---|---|
| Mower blade set part number | GY20850 |
| Blade thickness | 0.188 in (5 mm) |
| Blade center hole size | star / 0.38 in (10 mm) |
| Number of blades | 2 blades |
| Blade type | high-lift, mulching, standard, bagging, and 3-in-1 |
Blade Size Comparison Chart
Blade thickness comparison
John Deere LA115 Blade Notes
| Blade note | The John Deere LA115 blade listing captured here shows single blade part number GY20850, blade set part number GY20850, and thickness 0.188 in (5 mm) and center hole star / 0.38 in (10 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 LA115, the captured deck information is blade count 2 blades. Match the blades to the fitted deck, not just the tractor model name |
| Blade type note | The John Deere LA115 blade style captured here is high-lift, mulching, standard, bagging, and 3-in-1. Blade type affects airflow and clipping handling, not just cut width |
| Fitment note | For the John Deere LA115, use the listed specs as a buying guide, but confirm against the operator manual, parts diagram or old blade before ordering |
John Deere LA115 Mower Blade FAQ
Why does the John Deere LA115 blade center hole matter?
The captured center-hole detail is star / 0.38 in (10 mm). If the hole shape or size is wrong, the blade may not seat correctly on the spindle even if the length looks right
Can you swap John Deere LA115 blade types?
The blade type captured is high-lift, mulching, standard, bagging, and 3-in-1. You can often choose a different style only if it fits the same deck and spindle setup. Use GY20850 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.
