The John Deere Z994R deck belt part number found is M154202. The deck belt size found is 16 in (406 mm) long by 0.55 in (14 mm) wide. The drive belt part number found is M154202. The drive belt length found is 114 in (2,896 mm).
John Deere Z994R Belt Size and Part Numbers
| Mower deck belt part number | M154202 |
|---|---|
| Mower deck belt length | 16 in (406 mm) |
| Mower deck belt width | 0.55 in (14 mm) |
| Drive belt part number | M154202 |
| Drive belt length | 114 in (2,896 mm) |
| Deck size | 60 in deck |
Belt Size Comparison Chart
Belt length comparison
Belt width comparison
Mower deck size comparison
John Deere Z994R Belt Notes
| Mower deck belt note | The John Deere Z994R deck belt listing shows part number M154202, length 16 in (406 mm) and width 0.55 in (14 mm). Confirm the belt against the deck tag, belt decal or parts diagram before ordering |
|---|---|
| Drive belt note | The John Deere Z994R drive or transmission belt listing shows part number M154202 with length 114 in (2,896 mm). Treat it as partial drive-belt data if no matching width or OEM part number is shown |
| Deck size note | The John Deere Z994R deck size captured here is 60 in deck. This helps separate 42-inch, 48-inch, 54-inch and larger deck belt setups |
| Fitment note | Before ordering a John Deere Z994R belt, compare the old belt routing, pulley layout and deck size if available. A close-looking belt can still be wrong |
John Deere Z994R Belt Size FAQ
Why can the correct John Deere Z994R deck belt still slip?
The deck belt length found is 16 in (406 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
Should you buy the John Deere Z994R belt by length only?
No. The deck belt width found is 0.55 in (14 mm). That is the common 1/2-inch belt width range. Still match the OEM number because the belt angle, fabric wrap and effective length can differ. Use length, width and OEM part number together where possible
Which John Deere Z994R belt needs more careful length matching?
The drive belt is longer here: deck 16 in (406 mm) versus drive 114 in (2,896 mm), about 98 in (2,489 mm) different. Do not cross-match them just because both are mower belts
Should you order the John Deere Z994R belt by tractor model or deck size?
Use both. The deck size captured is 60 in deck, and the captured deck belt value is 16 in (406 mm). Model name alone is risky when multiple deck sizes or serial ranges exist
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.
