John Deere Z355R Mower Blade Size

Quick answer:

The John Deere Z355R mower blade part number found is M170476. The blade set part numbers found are UC20448 and UC22010. The blade measurement captured is thickness 0.204 in (5 mm). The deck uses 3 blades.

Blade part #M170476
Blade set part #UC20448 and UC22010
Blade sizethickness 0.204 in (5 mm)
Blade count3 blades

John Deere Z355R Mower Blade Size and Part Numbers

Mower blade part number M170476
Mower blade set part number UC20448 and UC22010
Blade thickness 0.204 in (5 mm)
Number of blades 3 blades
Blade type high-lift, mulching, bagging, and 3-in-1

Blade Size Comparison Chart

Blade thickness comparison

This model

0.204 in

Average

0.188 in

Low

0.125 in

High

0.25 in

John Deere Z355R Blade Notes

Blade note The John Deere Z355R blade listing captured here shows single blade part number M170476, blade set part numbers UC20448 and UC22010, and thickness 0.204 in (5 mm). Confirm the number against the deck tag, old blade stamp or official parts diagram before ordering
Deck note For the John Deere Z355R, the captured deck information is blade count 3 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 Z355R is high-lift, mulching, 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 Blades are cheap until you buy the wrong set twice. On the John Deere Z355R, confirm part number, deck size and blade count before buying

John Deere Z355R Mower Blade FAQ

What is the difference between the John Deere Z355R blade number and blade set number?

The captured single blade number is M170476, while the captured blade set number is UC20448 and UC22010. 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 Z355R?

The blade type captured is high-lift, mulching, bagging, and 3-in-1. Use that against the captured fitment value M170476. High-lift helps bagging/discharge; mulching blades need the right mulching setup

Is the captured John Deere Z355R blade part number enough to buy from?

The captured blade part number is M170476. 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.