John Deere F1145 Mower Blade Size

Quick answer:

The blade set part number found is M141786. The blade measurement captured is center hole 0.69 in (17 mm). The deck uses 3 blades.

Blade set part #M141786
Blade sizecenter hole 0.69 in (17 mm)
Blade count3 blades

John Deere F1145 Mower Blade Size and Part Numbers

Mower blade set part number M141786
Blade center hole size 0.69 in (17 mm)
Number of blades 3 blades
Blade type high-lift, mulching, and bagging

John Deere F1145 Blade Notes

Blade note The John Deere F1145 blade listing captured here shows blade set part number M141786 and center hole 0.69 in (17 mm). Do not buy purely from model name if the mower deck or serial range is different
Deck note For the John Deere F1145, 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 F1145, blade type is listed as high-lift, mulching, and bagging. Pick the blade style for the job: clean discharge, bagging lift, or mulching
Fitment note Blades are cheap until you buy the wrong set twice. On the John Deere F1145, confirm part number, deck size and blade count before buying

John Deere F1145 Mower Blade FAQ

Can you modify a John Deere F1145 blade center hole to fit?

Do not do that. The captured center-hole detail is 0.69 in (17 mm). Grinding or drilling a mower blade can ruin balance and create vibration

Official information note

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.