The John Deere X394 deck belt part number found is AM137327. The drive belt part number found is MIA10045. The drive belt size found is 95.5 in (2,426 mm) long by 1.25 in (32 mm) wide.
John Deere X394 Belt Size and Part Numbers
| Mower deck belt part number | AM137327 |
|---|---|
| Drive belt part number | MIA10045 |
| Drive belt length | 95.5 in (2,426 mm) |
| Drive belt width | 1.25 in (32 mm) |
Belt Size Comparison Chart
Belt length comparison
Belt width comparison
John Deere X394 Belt Notes
| Mower deck belt note | The John Deere X394 deck belt part number captured here is AM137327. Confirm the belt against the deck tag, belt decal or parts diagram before ordering |
|---|---|
| Drive belt note | The John Deere X394 drive or transmission belt listing shows part number MIA10045, length 95.5 in (2,426 mm) and width 1.25 in (32 mm). Treat it as partial drive-belt data if no matching width or OEM part number is shown |
| Fitment note | Belts are cheap until you buy the wrong one twice. On the John Deere X394, confirm belt route, old belt label and OEM part number before ordering |
John Deere X394 Belt Size FAQ
Why can the correct John Deere X394 drive belt still not pull properly?
The drive belt length found is 95.5 in (2,426 mm). If the tractor still slips, the belt may be routed wrong, the idler may be weak, or the pulley faces may be polished. Length alone does not fix a worn drive system
Can you replace the John Deere X394 belt with the same length but different width?
The drive belt width found is 1.25 in (32 mm). That is a heavy/wide belt size. Width matters here because a thinner substitute can lose grip, heat up or wear the pulley faces. A belt with the wrong top width can ride too high or too low in the pulley even if the length looks right
How do you avoid mixing up the John Deere X394 deck and drive belts?
Use the belt position first: deck belt part number AM137327 and drive belt part number MIA10045. A deck belt number does not automatically fit the drive system, even when an aftermarket listing makes the cross-reference look close
Is the captured John Deere X394 deck belt part number enough to buy from?
The captured deck belt number is AM137327. 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.
