The John Deere Z970A deck belt part number found is TCU29455. The deck belt length found is 203 in (5,156 mm). The drive belt size found is 95 in (2,413 mm) long by 0.5 in (13 mm) wide.
John Deere Z970A Belt Size and Part Numbers
| Mower deck belt part number | TCU29455 |
|---|---|
| Mower deck belt length | 203 in (5,156 mm) |
| Drive belt length | 95 in (2,413 mm) |
| Drive belt width | 0.5 in (13 mm) |
Belt Size Comparison Chart
Belt length comparison
Belt width comparison
John Deere Z970A Belt Notes
| Mower deck belt note | The John Deere Z970A deck belt listing shows part number TCU29455 with length 203 in (5,156 mm). Use the listed value as a buying guide, not a blind substitute for the deck-specific parts diagram |
|---|---|
| Drive belt note | The John Deere Z970A drive or transmission belt measurement captured here is length 95 in (2,413 mm) and width 0.5 in (13 mm). This is separate from the mower deck belt |
| Fitment note | For the John Deere Z970A, use the listed specs as a buying guide, but confirm against the operator manual, parts diagram or belt label before spending money |
John Deere Z970A Belt Size FAQ
What should you watch when fitting a 203 in (5,156 mm) deck belt on the John Deere Z970A?
A 203 in (5,156 mm) deck belt leaves little room for sloppy routing. This is a very long belt run, so pulley alignment, belt keepers and idler tension matter a lot. Long belts punish sloppy routing fast. Before blaming the new belt, compare the belt path to the routing decal and make sure it sits on the correct side of each keeper
Can you replace the John Deere Z970A belt with the same length but different width?
The drive belt width found is 0.5 in (13 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. A belt with the wrong top width can ride too high or too low in the pulley even if the length looks right
Are the John Deere Z970A deck and drive belt lengths close?
The deck belt is 203 in (5,156 mm) and the drive belt is 95 in (2,413 mm), about 108 in (2,743 mm) different. That is enough to treat them as separate belts when ordering
Is the captured John Deere Z970A deck belt part number enough to buy from?
The captured deck belt number is TCU29455. 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.
