The John Deere 425 deck belt part number found is M144202. The drive belt part number found is M800100. The drive belt size found is 95.5 in (2,426 mm) long by 0.5 in (13 mm) wide.
John Deere 425 Belt Size and Part Numbers
| Mower deck belt part number | M144202 |
|---|---|
| Drive belt part number | M800100 |
| Drive belt length | 95.5 in (2,426 mm) |
| Drive belt width | 0.5 in (13 mm) |
Belt Size Comparison Chart
Belt length comparison
Belt width comparison
John Deere 425 Belt Notes
| Mower deck belt note | The John Deere 425 deck belt part number captured here is M144202. Confirm the belt against the deck tag, belt decal or parts diagram before ordering |
|---|---|
| Drive belt note | The John Deere 425 drive or transmission belt listing shows part number M800100, length 95.5 in (2,426 mm) and width 0.5 in (13 mm). Treat it as partial drive-belt data if no matching width or OEM part number is shown |
| Fitment note | For the John Deere 425, use the listed specs as a buying guide, but confirm against the operator manual, parts diagram or belt label before spending money |
John Deere 425 Belt Size FAQ
What should you check when fitting a 95.5 in (2,426 mm) drive belt on the John Deere 425?
The drive belt length found is 95.5 in (2,426 mm). 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. Also check the idler spring and pulley grooves because drive belts can slip under load even when they look fine at idle
Should you buy the John Deere 425 belt by length only?
No. The drive 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
Why are there separate belt part numbers for the John Deere 425?
The captured values separate the belt jobs: deck belt part number M144202 and drive belt part number M800100. Treat each number as position-specific and confirm it against the parts diagram before ordering
Is the captured John Deere 425 deck belt part number enough to buy from?
The captured deck belt number is M144202. This number helps with OEM lookup, but the deck belt length and width were not fully captured here. Before buying aftermarket, confirm the exact deck or serial range
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.
