The deck belt length found is 65 in (1,651 mm). The drive belt part number found is M800100. The drive belt size found is 95 in (2,413 mm) long by 0.5 in (13 mm) wide.
John Deere GX70 Belt Size and Part Numbers
| Mower deck belt length | 65 in (1,651 mm) |
|---|---|
| Drive belt part number | M800100 |
| Drive belt length | 95 in (2,413 mm) |
| Drive belt width | 0.5 in (13 mm) |
Belt Size Comparison Chart
Belt length comparison
Belt width comparison
John Deere GX70 Belt Notes
| Mower deck belt note | The John Deere GX70 deck belt measurement captured here is length 65 in (1,651 mm). Match the old belt, deck size and routing before spending money |
|---|---|
| Drive belt note | The John Deere GX70 drive or transmission belt listing shows part number M800100, length 95 in (2,413 mm) and width 0.5 in (13 mm). Do not mix it up with the deck belt because the routing and job are different |
| Fitment note | Before ordering a John Deere GX70 belt, compare the old belt routing, pulley layout and deck size if available. A close-looking belt can still be wrong |
John Deere GX70 Belt Size FAQ
Why can the correct John Deere GX70 deck belt still slip?
The deck belt length found is 65 in (1,651 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 GX70?
The captured drive 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 GX70 belt needs more careful length matching?
The drive belt is longer here: deck 65 in (1,651 mm) versus drive 95 in (2,413 mm), about 30 in (762 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.
