The Kubota Z411 deck belt part number found is K5591-36710. The drive belt part number found is K3811-13560. The drive belt size found is 95.5 in (2,426 mm) long by 1 in (25 mm) wide.
Deck belt part #K5591-36710
Drive belt part #K3811-13560
Drive belt sizelength 95.5 in (2,426 mm) and width 1 in (25 mm)
Deck size48 in deck
Kubota Z411 Belt Size and Part Numbers
Mower deck belt part number
K5591-36710
Drive belt part number
K3811-13560
Drive belt length
95.5 in (2,426 mm)
Drive belt width
1 in (25 mm)
Deck size
48 in deck
Belt Size Comparison Chart
Belt length comparison
This model
96 in
Average
110 in
Low
75 in
High
155 in
Belt width comparison
This model
1 in
Average
0.75 in
Low
0.5 in
High
1.25 in
Mower deck size comparison
This model
48 in
Average
48 in
Low
38 in
High
60 in
Kubota Z411 Belt Notes
Mower deck belt note
The Kubota Z411 deck belt part number captured here is K5591-36710. Match the old belt, deck size and routing before spending money
Drive belt note
The Kubota Z411 drive or transmission belt listing shows part number K3811-13560, length 95.5 in (2,426 mm) and width 1 in (25 mm). Do not mix it up with the deck belt because the routing and job are different
Deck size note
For the Kubota Z411, deck size is listed as 48 in deck. Always match belt specs to the deck fitted to your machine, not just the tractor model name
Fitment note
Before ordering a Kubota Z411 belt, compare the old belt routing, pulley layout and deck size if available. A close-looking belt can still be wrong
Kubota Z411 Belt Size FAQ
Why can the correct Kubota Z411 drive belt still not pull properly?
The drive belt length found is 95.5 in (2,426 mm). If the tractor still slips, the belt may be routed wrong, the idler may be weak, or the pulley faces may be polished. Length alone does not fix a worn drive system
Should you buy the Kubota Z411 belt by length only?
No. The drive belt width found is 1 in (25 mm). That is a heavy/wide belt size. Width matters here because a thinner substitute can lose grip, heat up or wear the pulley faces. Use length, width and OEM part number together where possible
Why are there separate belt part numbers for the Kubota Z411?
The captured values separate the belt jobs: deck belt part number K5591-36710 and drive belt part number K3811-13560. Treat each number as position-specific and confirm it against the parts diagram before ordering
Should you order the Kubota Z411 belt by tractor model or deck size?
Use both. The deck size captured is 48 in deck, and the captured deck belt value is K5591-36710. Model name alone is risky when multiple deck sizes or serial ranges exist
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.
