The Kubota GR2120 deck belt part number found is K5201-71410. The deck belt size found is 95 in (2,413 mm) long by 0.5 in (13 mm) wide. The drive belt part number found is K1253-1422.
Kubota GR2120 Belt Size and Part Numbers
| Mower deck belt part number | K5201-71410 |
|---|---|
| Mower deck belt length | 95 in (2,413 mm) |
| Mower deck belt width | 0.5 in (13 mm) |
| Drive belt part number | K1253-1422 |
| Deck size | 48 in deck |
Belt Size Comparison Chart
Belt length comparison
Belt width comparison
Mower deck size comparison
Kubota GR2120 Belt Notes
| Mower deck belt note | The Kubota GR2120 deck belt listing shows part number K5201-71410, length 95 in (2,413 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 GR2120 drive or transmission belt part number captured here is K1253-1422. This is separate from the mower deck belt |
| Deck size note | The captured mower deck size for the Kubota GR2120 is 48 in deck. Deck size matters because the same model family can use different belts with different decks |
| Fitment note | Belts are cheap until you buy the wrong one twice. On the Kubota GR2120, confirm deck size, belt route and OEM part number before ordering |
Kubota GR2120 Belt Size FAQ
What should you watch when fitting a 95 in (2,413 mm) deck belt on the Kubota GR2120?
A 95 in (2,413 mm) deck belt leaves little room for sloppy routing. This is a longer mower belt run, so twist, idler alignment and the belt keeper positions matter. A belt can be the right length and still fail if it is routed wrong. Before blaming the new belt, compare the belt path to the routing decal and make sure it sits on the correct side of each.
Can you replace the Kubota GR2120 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
Why are there separate belt part numbers for the Kubota GR2120?
The captured values separate the belt jobs: deck belt part number K5201-71410 and drive belt part number K1253-1422. Treat each number as position-specific and confirm it against the parts diagram before ordering
What is the fastest way to confirm the Kubota GR2120 deck belt?
Start with the captured 48 in deck deck and the deck belt value 95 in (2,413 mm). Then check the belt routing decal or parts diagram so you do not order a belt for the wrong deck
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.
