The John Deere SST15 deck belt part number found is M148556. The deck belt length found is 54 in (1,372 mm). The drive belt part number found is M144202.
John Deere SST15 Belt Size and Part Numbers
| Mower deck belt part number | M148556 |
|---|---|
| Mower deck belt length | 54 in (1,372 mm) |
| Drive belt part number | M144202 |
Belt Size Comparison Chart
Belt length comparison
John Deere SST15 Belt Notes
| Mower deck belt note | The John Deere SST15 deck belt listing shows part number M148556 with length 54 in (1,372 mm). Match the old belt, deck size and routing before spending money |
|---|---|
| Drive belt note | The John Deere SST15 drive or transmission belt part number captured here is M144202. Do not mix it up with the deck belt because the routing and job are different |
| Fitment note | Belts are cheap until you buy the wrong one twice. On the John Deere SST15, confirm belt route, old belt label and OEM part number before ordering |
John Deere SST15 Belt Size FAQ
Is a close belt length good enough for the John Deere SST15 deck?
The deck belt length found is 54 in (1,372 mm). Close is not the same as correct. A belt that is slightly short can overload bearings, while one slightly long can slip or fail to engage the blades cleanly
How do you avoid mixing up the John Deere SST15 deck and drive belts?
Use the belt position first: deck belt part number M148556 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
Is the captured John Deere SST15 deck belt part number enough to buy from?
The captured deck belt number is M148556. This number helps with OEM lookup, but the deck belt width was not fully captured here. Before buying aftermarket, confirm the exact deck or serial range
Is the captured John Deere SST15 drive belt part number enough to buy from?
The captured drive belt number is M144202. That is useful for OEM lookup, but the drive belt length and width were not fully captured here. It is weak data for guessing an aftermarket belt by size alone
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.
