The John Deere X340 deck belt part number found is M154202. The deck belt size found is 95.5 in (2,426 mm) long by 0.5 in (13 mm) wide.
John Deere X340 Belt Size and Part Numbers
| Mower deck belt part number | M154202 |
|---|---|
| Mower deck belt length | 95.5 in (2,426 mm) |
| Mower deck belt width | 0.5 in (13 mm) |
Belt Size Comparison Chart
Belt length comparison
Belt width comparison
John Deere X340 Belt Notes
| Mower deck belt note | The John Deere X340 deck belt listing shows part number M154202, length 95.5 in (2,426 mm) and width 0.5 in (13 mm). Confirm the belt against the deck tag, belt decal or parts diagram before ordering |
|---|---|
| Fitment note | For the John Deere X340, use the listed specs as a buying guide, but confirm against the operator manual, parts diagram or belt label before spending money |
John Deere X340 Belt Size FAQ
Is a close belt length good enough for the John Deere X340 deck?
The deck belt length found is 95.5 in (2,426 mm). Close is not the same as correct. A belt that is slightly short can overload bearings, while one slightly long can slip or fail to engage the blades cleanly
Should you buy the John Deere X340 belt by length only?
No. 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. Use length, width and OEM part number together where possible
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 John Deere parts catalog before ordering a replacement belt.
