John Deere 72" High-Lift Mower Blades Set of 3 — OEM M141786, Carbon-Boron Steel, Fits 72" Decks

John Deere Original Equipment M141786 comes as a set of three high-lift 72" mower blades engineered to restore cutting performance on compatible 72-inch decks and select compact utility tractors.

These are factory-spec replacement blades (OEM numbers M141786, AM102402, M119975, M143749, TCU15882, M142514) built for John Deere 72" rotary mower decks and numerous compact utility and front-mount mower models. They use a carbon-and-boron alloy to retain edge hardness and resist breakage, and the high-lift profile helps move grass into the discharge for cleaner clipping and better bagging. The kit contains three identical blades sized for 72" decks used on a wide range of John Deere equipment.

Which machines and decks will these blades fit?

These blades are designed for 72-inch mower decks and specific John Deere front and compact utility mowers. Check your tractor or mower manual for matching OEM numbers to confirm fitment.

• Compatible with 72" decks used on 72, 172, 272 rotary mower series.
• Fits front mowers: F910, F911, F912, F915, F925, F930, F932, F935, F1145.
• Fits compact utility models: 755, 855, 870, 955, 2210, 4010, 4100, 4110, 4115, 4200, 4210, 4300, 4310, 4320, 4400, 4410, 4500, 4510, 4520, 4600, 4610, 4700, 4710.
• Cross-references: AM102402, M119975, M143749, TCU15882, M142514.

How does the high-lift design affect cutting and clippings?

The high-lift blade profile generates stronger upward airflow beneath the deck, lifting grass blades so they are cut more evenly and directed toward the discharge or bagging system. That improves mulch and collection performance, especially in denser or wetter grass.

• Creates increased suction for cleaner, more uniform cuts.
• Improves bagging and side-discharge efficiency.
• Helps prevent clumping when mowing heavier turf.

What materials and construction ensure durability?

John Deere uses a carbon-plus-boron steel blend for these blades to balance edge retention with impact resistance. The alloy hardens during manufacturing to maintain a sharp cutting edge while reducing the chance of breakage from rocks or debris.

• Carbon and boron alloy for longer-lasting sharpness.
• Factory heat-treated for consistent hardness across the blade.
• OEM manufacturing tolerances for reliable balance and longevity.

How should I install and maintain these replacement blades?

Install blades per your machine’s service manual, torquing blade bolts to the specified value and ensuring proper orientation. Routine sharpening, inspection for nicks, and checking blade balance will extend life and maintain a quality cut.

• Replace blades in matched sets for even deck balance.
• Sharpen when dull; replace if bent, cracked, or badly worn.
• Tighten mounting hardware to factory torque specs and recheck after first hour of operation.

Who is this for: This three-blade OEM kit is aimed at John Deere owners and service professionals who need factory-fit replacements for 72" decks and compatible front/compact utility mowers. It’s ideal for property owners, landscapers, and fleet managers who want performance-matched, durable blades to restore cutting quality, ensure proper deck airflow, and maintain original equipment specifications.