The Kubota Z421 deck belt part number found is K3072-13560.
Deck belt part #K3072-13560
Deck size48 in deck
Kubota Z421 Belt Size and Part Numbers
Mower deck belt part number
K3072-13560
Deck size
48 in deck
Belt Size Comparison Chart
Mower deck size comparison
This model
48 in
Average
48 in
Low
38 in
High
60 in
Kubota Z421 Belt Notes
Mower deck belt note
The Kubota Z421 deck belt part number captured here is K3072-13560. Confirm the belt against the deck tag, belt decal or parts diagram before ordering
Deck size note
The Kubota Z421 deck size captured here is 48 in deck. This helps separate 42-inch, 48-inch, 54-inch and larger deck belt setups
Fitment note
For the Kubota Z421, use the listed specs as a buying guide, but confirm against the operator manual, parts diagram or belt label before spending money
Kubota Z421 Belt Size FAQ
Should you order the Kubota Z421 belt by tractor model or deck size?
Use both. The deck size captured is 48 in deck, and the captured deck belt value is K3072-13560. Model name alone is risky when multiple deck sizes or serial ranges exist
What should you double-check with the Kubota Z421 deck belt part number?
The captured deck belt number is K3072-13560. Because the length and width are missing here, check the old belt label, deck tag or parts diagram before trusting a non-OEM cross-reference
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.
