John Deere Original Equipment Model X300 Maintenance Kit + Standard Blades

What It Is

This is a John Deere Original Equipment Maintenance Kit for the X300 series lawn tractor, including two standard mower blades, an oil filter, a fuel filter, a spark plug, and a small bottle of 10W-30 engine oil. It’s designed for routine annual maintenance to keep the mower cutting cleanly and the engine running smoothly.

Fitment & Compatibility

• Deck size: Fits 42-inch and 48-inch mower decks on X300 series tractors (e.g., X304, X320, X340, X360). Verify your deck size before purchase.
• Model check: Only compatible with John Deere X300 series with Kawasaki or Briggs & Stratton engines—not for X500 series or older tractors.
• OEM vs aftermarket: This is genuine John Deere Original Equipment, not a generic replacement. All parts are pre-measured and matched to the X300’s specs.
• Measurements: Blades are 16.75 inches long for 42-inch decks, 18.25 inches for 48-inch decks. Confirm your current blade length and center hole diameter (standard 1-inch round).

Key Things to Know

• Quality: OEM parts ensure perfect fit and longevity; blades are coated for rust resistance and stay sharp longer than most aftermarket options.
• Installation difficulty: Easy for DIYers with basic tools (socket wrench, jack stands). Expect 30-45 minutes for full kit installation. Torque blade bolts to 35-45 ft-lbs.
• Common gotchas: The included oil is only 20 oz—your X300 engine holds about 1.8 quarts, so you may need an additional quart for a full oil change. Don’t reuse old oil filter gaskets; the kit includes a new one.
• Maintenance schedule: John Deere recommends this kit annually or every 100 hours of use, whichever comes first.

Should You Buy It

Buy this if you own a John Deere X300 series and want a hassle-free, one-box solution for yearly maintenance with guaranteed OEM fit and performance. It’s ideal for owners who value consistency and don’t want to hunt down individual parts. Skip it if you prefer cheaper aftermarket blades or already have a preferred oil/filter brand.