The John Deere F1145 deck belt part number found is M805441. The drive belt part number found is GX20006.
John Deere F1145 Belt Size and Part Numbers
| Mower deck belt part number | M805441 |
|---|---|
| Drive belt part number | GX20006 |
John Deere F1145 Belt Notes
| Mower deck belt note | The John Deere F1145 deck belt part number captured here is M805441. Use the listed value as a buying guide, not a blind substitute for the deck-specific parts diagram |
|---|---|
| Drive belt note | The John Deere F1145 drive or transmission belt part number captured here is GX20006. This is separate from the mower deck belt |
| Fitment note | The blunt rule with the John Deere F1145: 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 F1145 Belt Size FAQ
Why are there separate belt part numbers for the John Deere F1145?
The captured values separate the belt jobs: deck belt part number M805441 and drive belt part number GX20006. Treat each number as position-specific and confirm it against the parts diagram before ordering
What should you double-check with the John Deere F1145 deck belt part number?
The captured deck belt number is M805441. 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
Is the captured John Deere F1145 drive belt part number enough to buy from?
The captured drive belt number is GX20006. 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.
