The deck belt size found is 63.39 in (1,610 mm) long by 0.56 in (14 mm) wide. The drive belt part numbers found are GX255 and M144202. The drive belt size found is 83 in (2,108 mm) long by 0.5 in (13 mm) wide.
John Deere GX255 Belt Size and Part Numbers
| Mower deck belt length | 63.39 in (1,610 mm) |
|---|---|
| Mower deck belt width | 0.56 in (14 mm) |
| Drive belt part number | GX255 and M144202 |
| Drive belt length | 83 in (2,108 mm) |
| Drive belt width | 0.5 in (13 mm) |
Belt Size Comparison Chart
Belt length comparison
Belt width comparison
John Deere GX255 Belt Notes
| Mower deck belt note | The John Deere GX255 deck belt measurement captured here is length 63.39 in (1,610 mm) and width 0.56 in (14 mm). Use the listed value as a buying guide, not a blind substitute for the deck-specific parts diagram |
|---|---|
| Drive belt note | The John Deere GX255 drive or transmission belt listing shows part numbers GX255 and M144202, length 83 in (2,108 mm) and width 0.5 in (13 mm). This is separate from the mower deck belt |
| Fitment note | For the John Deere GX255, use the listed specs as a buying guide, but confirm against the operator manual, parts diagram or belt label before spending money |
John Deere GX255 Belt Size FAQ
Why can the correct John Deere GX255 deck belt still slip?
The deck belt length found is 63.39 in (1,610 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
Why does 0.56 in (14 mm) belt width matter on the John Deere GX255?
The captured deck belt width is 0.56 in (14 mm). Pulley grooves are cut for a matching belt profile. Wrong width can cause squeal, heat, poor blade speed or fast belt wear
Which John Deere GX255 belt needs more careful length matching?
The drive belt is longer here: deck 63.39 in (1,610 mm) versus drive 83 in (2,108 mm), about 19.61 in (498 mm) different. Do not cross-match them just because both are mower belts
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.
