John Deere X300 Belt Diagram & Deck Belt Part Number
Find your model number: this page covers X300.
Which one do you have?
- X300Verified
- X300Serial -150000Verified
- X300Serial 150001-Verified
- X300Serial -040000Verified
- X300Serial 040001- (with MIA10784)Verified
- X300Serial 040001- (with MIA10959)Verified
X300
Deck 38C
M155525
- Size
- 142.9 in × 0.56 in (14.2 mm)
Deck 38X
M154601
- Size
- 143.4 in
Deck 42X
M154621
- Size
- 146.2 in × 0.56 in (14.21 mm)
Deck 48X secondary
M154958
- Size
- 111.4 in × 0.63 in (16 mm)
Other belts listed for this machine
- Deck 48X primary: We haven't verified this one yet. Check the manufacturer's official parts lookup Unconfirmed
Verified
X300
Deck 42M (single belt)
M153160
- Size
- 156.6 in
Verified
X300
Deck 42M secondary
M138583
- Size
- 115.0 in
Other belts listed for this machine
- Deck 42M primary: We haven't verified this one yet. Check the manufacturer's official parts lookup Unconfirmed
Verified
X300
Drive/traction
UC35484
- Size
- 91.8 in × 0.50 in (12.7 mm)
Verified
X300
Drive/traction
UC35484
- Size
- 91.8 in × 0.50 in (12.7 mm)
Verified
X300
Drive/traction
M151277
- Size
- 92.4 in
Verified
Model numbers and serial ranges
| Model number | Serial range | Belt role | Part number | Status |
|---|---|---|---|---|
| X300 | Deck 38C | M155525 | Verified | |
| Deck 38X | M154601 | Verified | ||
| Deck 42X | M154621 | Verified | ||
| Deck 48X primary | We haven't verified this one yet Official lookup | Unconfirmed | ||
| Deck 48X secondary | M154958 | Verified | ||
| X300 | -150000 | Deck 42M (single belt) | M153160 | Verified |
| X300 | 150001- | Deck 42M primary | We haven't verified this one yet Official lookup | Unconfirmed |
| Deck 42M secondary | M138583 | Verified | ||
| X300 | -040000 | Drive/traction | UC35484 | Verified |
| X300 | 040001- (with MIA10784) | Drive/traction | UC35484 | Verified |
| X300 | 040001- (with MIA10959) | Drive/traction | M151277 | Verified |
Belt details
M155525
- Brand
- John Deere
- Role
- deck
- Size
- 142.9 in × 0.56 in (14.2 mm)
- Status
- Verified
M154601
- Brand
- John Deere
- Role
- deck
- Size
- 143.4 in
- Status
- Verified
M154621
- Brand
- John Deere
- Role
- deck
- Size
- 146.2 in × 0.56 in (14.21 mm)
- Status
- Verified
M154958
- Brand
- John Deere
- Role
- deck
- Size
- 111.4 in × 0.63 in (16 mm)
- Status
- Verified
M153160
- Brand
- John Deere
- Role
- deck
- Size
- 156.6 in
- Status
- Verified
M138583
- Brand
- John Deere
- Role
- deck
- Size
- 115.0 in
- Status
- Verified
UC35484
- Brand
- John Deere
- Role
- traction
- Size
- 91.8 in × 0.50 in (12.7 mm)
- Status
- Verified
M151277
- Brand
- John Deere
- Role
- traction
- Size
- 92.4 in
- Status
- Verified
Belt routing diagram
Belt routing diagram coming soon
Other numbers you might see
| Number | What it is | Current OEM part |
|---|---|---|
| M110313 | Superseded OEM number | M154958 |
| M152284 | Superseded OEM number | UC35484 |
| M144044 | Superseded OEM number | UC35484 |
Buy
Sources
- Model fit source (partscatalog.deere.com)https://partscatalog.deere.com/jdrc/navigation/equipment/26847
- Shows which models take M155525, M154601, M154621, M154958, M153160, M138583, UC35484, M151277
- Lookup for X300; X300, serial 150001-
- M155525: verified
- M154601: verified
- M154621: verified
- M154958: verified
- M153160: verified
- M138583: verified
- UC35484: verified
- M151277: verified
Confirm with your model plate and owner’s manual before ordering.