The John Deere 320 deck belt part number found is M119872. The drive belt part number found is M144202. The drive belt size found is 95.5 in (2,426 mm) long by 1 in (25 mm) wide.
John Deere 320 Belt Size and Part Numbers
| Mower deck belt part number | M119872 |
|---|---|
| Drive belt part number | M144202 |
| 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 320 Belt Notes
| Mower deck belt note | The John Deere 320 deck belt part number captured here is M119872. Confirm the belt against the deck tag, belt decal or parts diagram before ordering |
|---|---|
| Drive belt note | The John Deere 320 drive or transmission belt listing shows part number M144202, length 95.5 in (2,426 mm) and width 1 in (25 mm). Treat it as partial drive-belt data if no matching width or OEM part number is shown |
| Fitment note | The blunt rule with the John Deere 320: part number beats guesswork. If the belt is off by even a small amount, it can slip, squeal, jump pulleys or wear fast |
John Deere 320 Belt Size FAQ
What should you check when fitting a 95.5 in (2,426 mm) drive belt on the John Deere 320?
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
Can you replace the John Deere 320 belt with the same length but different width?
The drive belt width found is 1 in (25 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 320 deck and drive belts?
Use the belt position first: deck belt part number M119872 and drive belt part number M144202. A deck belt number does not automatically fit the drive system, even when an aftermarket listing makes the cross-reference look close
What should you double-check with the John Deere 320 deck belt part number?
The captured deck belt number is M119872. Because the length and width are missing here, check the old belt label, deck tag or parts diagram before trusting a non-OEM cross-reference
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.
