The John Deere D150 mower blade part number found is M144176. The blade set part number found is GY20850. The deck uses 2 blades.
John Deere D150 Mower Blade Size and Part Numbers
| Mower blade part number | M144176 |
|---|---|
| Mower blade set part number | GY20850 |
| Number of blades | 2 blades |
| Blade type | high-lift, mulching, standard, bagging, and 3-in-1 |
John Deere D150 Blade Notes
| Blade note | The John Deere D150 blade listing captured here shows single blade part number M144176 and blade set part number GY20850. Confirm the number against the deck tag, old blade stamp or official parts diagram before ordering |
|---|---|
| Deck note | For the John Deere D150, the captured deck information is blade count 2 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 D150 is high-lift, mulching, standard, bagging, and 3-in-1. 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 D150: part number and center hole beat guesswork. A blade can be the right length and still be wrong |
John Deere D150 Mower Blade FAQ
What is the difference between the John Deere D150 blade number and blade set number?
The captured single blade number is M144176, while the captured blade set number is GY20850. 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 D150?
The blade type captured is high-lift, mulching, standard, bagging, and 3-in-1. Use that against the captured fitment value M144176. High-lift helps bagging/discharge; mulching blades need the right mulching setup
What should you double-check with the John Deere D150 blade part number?
The captured blade part number is M144176. 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.
