The deck belt size found is 92 in (2,337 mm) long by 0.5 in (13 mm) wide. The drive belt part number found is M800100. The drive belt size found is 95.5 in (2,426 mm) long by 1 in (25 mm) wide.
John Deere 322 Belt Size and Part Numbers
| Mower deck belt length | 92 in (2,337 mm) |
|---|---|
| Mower deck belt width | 0.5 in (13 mm) |
| Drive belt part number | M800100 |
| Drive belt length | 95.5 in (2,426 mm) |
| Drive belt width | 1 in (25 mm) |
Belt Size Comparison Chart
Belt length comparison
Belt width comparison
John Deere 322 Belt Notes
| Mower deck belt note | The John Deere 322 deck belt measurement captured here is length 92 in (2,337 mm) and width 0.5 in (13 mm). Match the old belt, deck size and routing before spending money |
|---|---|
| Drive belt note | The John Deere 322 drive or transmission belt listing shows part number M800100, length 95.5 in (2,426 mm) and width 1 in (25 mm). Do not mix it up with the deck belt because the routing and job are different |
| Fitment note | For the John Deere 322, use the listed specs as a buying guide, but confirm against the operator manual, parts diagram or belt label before spending money |
John Deere 322 Belt Size FAQ
Why can the correct John Deere 322 deck belt still slip?
The deck belt length found is 92 in (2,337 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 0.5 in (13 mm) belt width matter on the John Deere 322?
The captured deck belt width is 0.5 in (13 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 322 belt needs more careful length matching?
The drive belt is longer here: deck 92 in (2,337 mm) versus drive 95.5 in (2,426 mm), about 3.5 in (89 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.

