The John Deere Z915E mower blade part number found is TCU30315. The blade set part number found is M128485. The blade measurement captured is thickness 0.204 in (5 mm) and center hole 1 in (25 mm). The deck uses 3 blades.
John Deere Z915E Mower Blade Size and Part Numbers
| Mower blade part number | TCU30315 |
|---|---|
| Mower blade set part number | M128485 |
| Blade thickness | 0.204 in (5 mm) |
| Blade center hole size | 1 in (25 mm) |
| Number of blades | 3 blades |
| Blade type | high-lift, mulching, bagging, and Gator |
Blade Size Comparison Chart
Blade thickness comparison
John Deere Z915E Blade Notes
| Blade note | The John Deere Z915E blade listing captured here shows single blade part number TCU30315, blade set part number M128485, and thickness 0.204 in (5 mm) and center hole 1 in (25 mm). Do not buy purely from model name if the mower deck or serial range is different |
|---|---|
| Deck note | For the John Deere Z915E, the captured deck information is blade count 3 blades. Deck size matters because the same model family can use different blade kits |
| Blade type note | For the John Deere Z915E, blade type is listed as high-lift, mulching, bagging, and Gator. Pick the blade style for the job: clean discharge, bagging lift, or mulching |
| Fitment note | The blunt rule with the John Deere Z915E: part number and center hole beat guesswork. A blade can be the right length and still be wrong |
John Deere Z915E Mower Blade FAQ
Can you modify a John Deere Z915E blade center hole to fit?
Do not do that. The captured center-hole detail is 1 in (25 mm). Grinding or drilling a mower blade can ruin balance and create vibration
What is the difference between the John Deere Z915E blade number and blade set number?
The captured single blade number is TCU30315, while the captured blade set number is M128485. Use the single blade number for one replacement and the set number when replacing the full deck set
Can you swap John Deere Z915E blade types?
The blade type captured is high-lift, mulching, bagging, and Gator. You can often choose a different style only if it fits the same deck and spindle setup. Use TCU30315 as the fitment starting point
Mistakes do happen. Blade specs can change by year, mower deck, spindle, serial range and regional parts catalog. Please check the operator manual, old blade stamp, deck tag and official John Deere parts catalog before ordering replacement blades.
