The Kubota G1800 mower blade part number found is 77700-05581. The blade measurement captured is thickness 0.5 in (13 mm) and center hole 0.91 in (23 mm).
Blade part #77700-05581
Blade sizethickness 0.5 in (13 mm) and center hole 0.91 in (23 mm)
Kubota G1800 Mower Blade Size and Part Numbers
Mower blade part number
77700-05581
Blade thickness
0.5 in (13 mm)
Blade center hole size
0.91 in (23 mm)
Blade type
high-lift, mulching, bagging, and 3-in-1
Blade Size Comparison Chart
Blade thickness comparison
This model
0.5 in
Average
0.25 in
Low
0.188 in
High
0.312 in
Kubota G1800 Blade Notes
Blade note
The Kubota G1800 blade listing captured here shows single blade part number 77700-05581 and thickness 0.5 in (13 mm) and center hole 0.91 in (23 mm). Do not buy purely from model name if the mower deck or serial range is different
Blade type note
For the Kubota G1800, blade type is listed as high-lift, mulching, bagging, and 3-in-1. Pick the blade style for the job: clean discharge, bagging lift, or mulching
Fitment note
The blunt rule with the Kubota G1800: part number and center hole beat guesswork. A blade can be the right length and still be wrong
Kubota G1800 Mower Blade FAQ
Why does the Kubota G1800 blade center hole matter?
The captured center-hole detail is 0.91 in (23 mm). If the hole shape or size is wrong, the blade may not seat correctly on the spindle even if the length looks right
Which blade type should you use on the Kubota G1800?
The blade type captured is high-lift, mulching, bagging, and 3-in-1. Use that against the captured fitment value 77700-05581. High-lift helps bagging/discharge; mulching blades need the right mulching setup
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 kubotausa.com before ordering replacement blades.
