T TERRE 3-Pack Toothed Mulching Mower Blades for 48" Decks — Heat-Treated Steel, Balanced

T TERRE 3-pack toothed mulching lawn mower blades are heavy-duty replacement blades engineered to restore mulching performance and compatibility for 48-inch decks on many commercial and residential mowers.

These blades are purpose-designed to fit popular 48" deck models from Ferris, Exmark, Ariens, Husqvarna, Simplicity and other manufacturers using the listed part numbers. Each blade combines a toothed cutting edge for improved clippings circulation with a durable steel core to resist bending and premature wear. They’re sold in a convenient pack of three so you can replace all blades at once and regain even cut quality and efficient mulching without frequent reorders.

Which mower models and part numbers do these blades fit?

These T TERRE blades are compatible with many common 48-inch commercial and residential decks when the mower uses the listed mounting and blade profile. Always confirm your mower’s blade dimensions and center-hole configuration before ordering.

• Compatible with Ferris part 5020843 and Simplicity 5020843SM
• Fits Exmark part 1520843 and OEM reference 103-2527
• Works for Ariens part 4919100 and Husqvarna part 539101496
• Designed for 48" decks requiring toothed mulching blades

How do toothed mulching blades improve lawn cutting?

Toothed mulching blades create more airflow and chop clippings finer, which helps return nutrients to the lawn and reduces visible clumps. The additional teeth and blade contours promote continuous circulation inside the deck, producing a finer, more even mulch while helping prevent pile-up at the discharge.

• Sharper teeth increase cutting frequency for smaller clippings
• Enhanced deck airflow helps re-cut and redistribute clippings
• Promotes faster breakdown of clippings on the turf surface
• Reduces the need to stop and clear clogs during mowing

What are the construction and durability features of these blades?

T TERRE blades are made from heat-treated steel with reinforced spine geometry to resist warping and edge damage under normal lawn-mowing conditions. The blade profile balances aggressive mulching action with stability to minimize vibration and preserve mower spindle life.

• Heat-treated steel for improved edge retention
• Reinforced center mounting hole to reduce wobble
• Balanced design to limit vibration and wear on spindles
• Sold as a three-blade set for consistent deck performance

How should I install and maintain the blades safely?

Always disconnect the spark plug and place the mower on a stable surface before removing blades. Install blades with the correct orientation and torque to the manufacturer’s specification, then check balance and clear any debris after the first cut. Regular inspection and sharpening extend service life.

• Disconnect spark plug before blade work
• Tighten blade bolts to mower OEM torque specs
• Sharpness check and rebalance after installation
• Inspect frequently for nicks, cracks, or bends

Who is this for: These T TERRE toothed mulching blades are aimed at homeowners, landscapers, and groundskeepers with 48" mowing decks who want to restore mulching capability or upgrade from standard blades. They suit users replacing worn factory blades, servicing rental fleets, or anyone needing three matched blades to maintain consistent cut quality across the entire deck. Verify fitment with your mower’s part number and deck type to ensure proper compatibility before purchase.