The deck belt length found is 137 in (3,480 mm). The drive belt part number found is K5677-34710.
Kubota F3680 Belt Size and Part Numbers
| Mower deck belt length | 137 in (3,480 mm) |
|---|---|
| Drive belt part number | K5677-34710 |
| Deck size | 72 in deck |
Belt Size Comparison Chart
Belt length comparison
Mower deck size comparison
Kubota F3680 Belt Notes
| Mower deck belt note | The Kubota F3680 deck belt measurement captured here is length 137 in (3,480 mm). Match the old belt, deck size and routing before spending money |
|---|---|
| Drive belt note | The Kubota F3680 drive or transmission belt part number captured here is K5677-34710. Do not mix it up with the deck belt because the routing and job are different |
| Deck size note | For the Kubota F3680, deck size is listed as 72 in deck. Always match belt specs to the deck fitted to your machine, not just the tractor model name |
| Fitment note | The blunt rule with the Kubota F3680: part number beats guesswork. If the belt is off by even a small amount, it can slip, squeal, jump pulleys or wear fast |
Kubota F3680 Belt Size FAQ
Why can the correct Kubota F3680 deck belt still slip?
The deck belt length found is 137 in (3,480 mm). Even with the right length, a weak idler spring, worn pulley groove or wrong belt path can make it slip. The part number and routing matter together
What is the fastest way to confirm the Kubota F3680 deck belt?
Start with the captured 72 in deck deck and the deck belt value 137 in (3,480 mm). Then check the belt routing decal or parts diagram so you do not order a belt for the wrong deck
What is the risk with the Kubota F3680 drive belt part number?
The captured drive belt number is K5677-34710. If the length and width are missing, a cheap cross-reference can still be wrong even when it claims to replace the OEM belt
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.
