John Deere R70 Mower Blade Size

Quick answer:

The John Deere R70 mower blade part number found is M144202. The blade set part number found is GY20850.

Blade part #M144202
Blade set part #GY20850

John Deere R70 Mower Blade Size and Part Numbers

Mower blade part number M144202
Mower blade set part number GY20850
Blade type high-lift and mulching

John Deere R70 Blade Notes

Blade note The John Deere R70 blade listing captured here shows single blade part number M144202 and blade set part number GY20850. Confirm the number against the deck tag, old blade stamp or official parts diagram before ordering
Blade type note The blade type captured for the John Deere R70 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 Blades are cheap until you buy the wrong set twice. On the John Deere R70, confirm part number, deck size and blade count before buying

John Deere R70 Mower Blade FAQ

Should you buy one John Deere R70 blade or a full set?

The single blade number captured is M144202, and the set number captured is GY20850. 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

Which blade type should you use on the John Deere R70?

The blade type captured is high-lift and mulching. Use that against the captured fitment value M144202. High-lift helps bagging/discharge; mulching blades need the right mulching setup

Is the captured John Deere R70 blade part number enough to buy from?

The captured blade part number is M144202. 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

Official information note

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.