The Kubota F3990 mower blade part number found is 77700-00465. The blade set part number found is 76539-34330. The blade measurement captured is thickness 0.25 in (6 mm). The deck uses 3 blades.
Blade part #77700-00465
Blade set part #76539-34330
Blade sizethickness 0.25 in (6 mm)
Blade count3 blades
Kubota F3990 Mower Blade Size and Part Numbers
Mower blade part number
77700-00465
Mower blade set part number
76539-34330
Blade thickness
0.25 in (6 mm)
Number of blades
3 blades
Blade type
high-lift, mulching, and bagging
Blade Size Comparison Chart
Blade thickness comparison
This model
0.25 in
Average
0.25 in
Low
0.188 in
High
0.312 in
Kubota F3990 Blade Notes
Blade note
The Kubota F3990 blade listing captured here shows single blade part number 77700-00465, blade set part number 76539-34330, and thickness 0.25 in (6 mm). Confirm the number against the deck tag, old blade stamp or official parts diagram before ordering
Deck note
For the Kubota F3990, 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 Kubota F3990 is high-lift, mulching, and bagging. 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 Kubota F3990, confirm part number, deck size and blade count before buying
Kubota F3990 Mower Blade FAQ
Should you buy one Kubota F3990 blade or a full set?
The single blade number captured is 77700-00465, and the set number captured is 76539-34330. 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 Kubota F3990?
The blade type captured is high-lift, mulching, and bagging. Use that against the captured fitment value 77700-00465. High-lift helps bagging/discharge; mulching blades need the right mulching setup
What should you double-check with the Kubota F3990 blade part number?
The captured blade part number is 77700-00465. Because the physical blade measurements are missing here, check the old blade stamp, deck tag or official parts diagram before ordering
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.
