The Kubota Z422T deck belt part number found is 77700-05581. The deck belt size found is 65 in (1,651 mm) long by 0.5 in (13 mm) wide. The drive belt part number found is K3021-13560.
Deck belt part #77700-05581
Deck belt sizelength 65 in (1,651 mm) and width 0.5 in (13 mm)
Drive belt part #K3021-13560
Kubota Z422T Belt Size and Part Numbers
Mower deck belt part number
77700-05581
Mower deck belt length
65 in (1,651 mm)
Mower deck belt width
0.5 in (13 mm)
Drive belt part number
K3021-13560
Belt Size Comparison Chart
Belt length comparison
This model
65 in
Average
75 in
Low
50 in
High
105 in
Belt width comparison
This model
0.5 in
Average
0.5 in
Low
0.38 in
High
0.75 in
Kubota Z422T Belt Notes
Mower deck belt note
The Kubota Z422T deck belt listing shows part number 77700-05581, length 65 in (1,651 mm) and width 0.5 in (13 mm). Use the listed value as a buying guide, not a blind substitute for the deck-specific parts diagram
Drive belt note
The Kubota Z422T drive or transmission belt part number captured here is K3021-13560. This is separate from the mower deck belt
Fitment note
Belts are cheap until you buy the wrong one twice. On the Kubota Z422T, confirm belt route, old belt label and OEM part number before ordering
Kubota Z422T Belt Size FAQ
What should you watch when fitting a 65 in (1,651 mm) deck belt on the Kubota Z422T?
A 65 in (1,651 mm) deck belt leaves little room for sloppy routing. This is a mid-length belt run, so routing and idler position still matter more than just matching a close-looking belt. Before blaming the new belt, compare the belt path to the routing decal and make sure it sits on the correct side of each keeper
Can you replace the Kubota Z422T belt with the same length but different width?
The deck belt width found is 0.5 in (13 mm). That is the common 1/2-inch belt width range. Still match the OEM number because the belt angle, fabric wrap and effective length can differ. A belt with the wrong top width can ride too high or too low in the pulley even if the length looks right
How do you avoid mixing up the Kubota Z422T deck and drive belts?
Use the belt position first: deck belt part number 77700-05581 and drive belt part number K3021-13560. A deck belt number does not automatically fit the drive system, even when an aftermarket listing makes the cross-reference look close
What is the risk with the Kubota Z422T drive belt part number?
The captured drive belt number is K3021-13560. If the length and width are missing, a cheap cross-reference can still be wrong even when it claims to replace the OEM belt
Official information note
Mistakes do happen. Belt specs can change by year, mower deck, pulley layout, serial range and regional parts catalog. Please check the operator manual, belt routing decal, old belt label and official kubotausa.com before ordering a replacement belt.
