John Deere mower blades M143504(3) 3-blade OEM replacement set for compact & riding tractors – stamped steel, factory-fit

John Deere Original Equipment 3 mower blades (part M143504(3)) — a genuine three-blade replacement set engineered to restore cutting performance for compatible John Deere compact and riding tractors.

These are factory-original John Deere blades designed to fit specific compact tractor and riding mower decks, offering the correct shape, hole pattern, and steel thickness for reliable, factory-spec cutting. They replace worn or damaged blades on a range of John Deere models so your mower can cut evenly and efficiently after a service or seasonal tune-up.

Which John Deere models use these M143504(3) blades?

These blades fit a range of compact tractors and larger riding mowers that require the M143504 three-blade configuration. Always check your operator’s manual or current blade part numbers to confirm compatibility before ordering.

• Compact tractor examples: 2025R, 2027R, 2032R, 2210, 4010, 4110, 4115, 4210, 4310, 4410, 4510, 4610, 4710
• Riding mower examples: X465, X475, X485, X495, X575, X585, X595, X700, X720, X724, X728, X740, X744, X748
• Supplied as a matched three-blade set for multi-blade cutting decks

How do these blades affect cutting quality and deck balance?

Using original-equipment blades ensures the blade geometry and balance match John Deere factory specifications, which helps maintain even cutting, reduced vibration, and consistent deck performance. Properly matched blades also reduce stress on spindles and belts.

• Factory contour and edge angle for uniform grass discharge
• Matched set reduces vibration and improves deck balance
• Correct mounting hole pattern for secure installation

What materials and construction can I expect from M143504(3)?

These are heavyweight stamped steel blades produced to John Deere standards for strength and wear resistance. They are built to withstand typical lawn and field debris while providing a clean cut when sharpened and maintained.

• High-grade stamped steel consistent with OEM specifications
• Pre-punched holes and uniform length for precise fit
• Ready for sharpening to extend service life

How should I install and maintain these replacement blades?

Installation should follow your mower or tractor’s service instructions; blades must be installed with the correct orientation and torque on spindle hardware. Regular inspection for damage and periodic sharpening will keep cut quality high—replace blades if bent or cracked.

• Install matching blade orientation and tighten to manufacturer torque specs
• Inspect after hitting hard objects; replace if deformed or cracked
• Sharpen and balance periodically for optimal performance

Who is this for: This three-blade OEM set is intended for John Deere owners, fleet managers, and professional landscapers who operate the listed compact tractors and riding mower models and who prefer genuine factory replacements to preserve original cutting performance and deck reliability. Choose these blades if you want an exact-fit, factory-specified replacement rather than an aftermarket generic alternative.