The John Deere LT150 deck belt part number found is M144202. The deck belt length found is 114 in (2,896 mm). The drive belt part numbers found are M144202 and M144203. The drive belt size found is 92 in (2,337 mm) long by 0.5 in (13 mm) wide.
John Deere LT150 Belt Size and Part Numbers
| Mower deck belt part number | M144202 |
|---|---|
| Mower deck belt length | 114 in (2,896 mm) |
| Drive belt part number | M144202 and M144203 |
| Drive belt length | 92 in (2,337 mm) |
| Drive belt width | 0.5 in (13 mm) |
Belt Size Comparison Chart
Belt length comparison
Belt width comparison
John Deere LT150 Belt Notes
| Mower deck belt note | The John Deere LT150 deck belt listing shows part number M144202 with length 114 in (2,896 mm). Match the old belt, deck size and routing before spending money |
|---|---|
| Drive belt note | The John Deere LT150 drive or transmission belt listing shows part numbers M144202 and M144203, length 92 in (2,337 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 LT150 belt, compare the old belt routing, pulley layout and deck size if available. A close-looking belt can still be wrong |
John Deere LT150 Belt Size FAQ
Is a close belt length good enough for the John Deere LT150 deck?
The deck belt length found is 114 in (2,896 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
Why does 0.5 in (13 mm) belt width matter on the John Deere LT150?
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
How do you avoid mixing up the John Deere LT150 deck and drive belts?
Use the belt position first: deck belt part number M144202 and drive belt part numbers M144202 and M144203. 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 LT150 deck belt part number enough to buy from?
The captured deck belt number is M144202. 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
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.

