The John Deere LA140 deck belt part number found is M144202. The deck belt size found is 142 in (3,607 mm) long by 0.31 in (8 mm) wide. The drive belt part number found is M144202.
John Deere LA140 Belt Size and Part Numbers
| Mower deck belt part number | M144202 |
|---|---|
| Mower deck belt length | 142 in (3,607 mm) |
| Mower deck belt width | 0.31 in (8 mm) |
| Drive belt part number | M144202 |
Belt Size Comparison Chart
Belt length comparison
Belt width comparison
John Deere LA140 Belt Notes
| Mower deck belt note | The John Deere LA140 deck belt listing shows part number M144202, length 142 in (3,607 mm) and width 0.31 in (8 mm). Confirm the belt against the deck tag, belt decal or parts diagram before ordering |
|---|---|
| Drive belt note | The John Deere LA140 drive or transmission belt part number captured here is M144202. Treat it as partial drive-belt data if no matching width or OEM part number is shown |
| Fitment note | Before ordering a John Deere LA140 belt, compare the old belt routing, pulley layout and deck size if available. A close-looking belt can still be wrong |
John Deere LA140 Belt Size FAQ
Why can the correct John Deere LA140 deck belt still slip?
The deck belt length found is 142 in (3,607 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
Should you buy the John Deere LA140 belt by length only?
No. The deck belt width found is 0.31 in (8 mm). That is a narrow belt, so do not casually swap in a 1/2-inch belt unless the parts diagram says it crosses over. Too-wide belts can ride high in the pulley. Use length, width and OEM part number together where possible
Is the captured John Deere LA140 drive belt part number enough to buy from?
The captured drive belt number is M144202. That is useful for OEM lookup, but the drive belt length and width were not fully captured here. It is weak data for guessing an aftermarket belt by size alone
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.
