GX20006 UC30568 Kevlar Mower Drive Belt Replacement for John Deere D110 D130 D140 D160 D170 L110 L118 L120 L130 LA115 LA145 Lawn Tractor, 1/2" x 88.9"

What It Is

This is a Kevlar-reinforced replacement drive belt (1/2" wide x 88.9" long) for select John Deere lawn tractors. It transfers power from the engine to the transmission (or deck drive on some models), enabling forward/reverse movement and blade engagement.

Fitment & Compatibility

Check before buying:

• Model fitment: Confirmed for John Deere D110, D130, D140, D160, D170, L110, L118, L120, L130, LA115, LA145. Not for X-series or newer models.
• OEM cross-reference: Replaces John Deere part #UC30568 and GX20006. Cross-check your original belt number.
• Measurements: 1/2" width x 88.9" length. Measure your old belt end-to-end (flat, not twisted) to confirm.
• Deck size: Works with 42"–48" decks on listed models. Double-check your tractor’s deck size—larger decks may require a longer belt.
• Aftermarket note: This is not OEM John Deere. Fitment is identical, but material and construction may vary slightly.

Key Things to Know

• Kevlar reinforcement adds durability over standard rubber belts—good for heavy use or rough terrain.
• Installation difficulty: Moderate. You’ll need to remove the deck or mule drive pulley cover. A belt tensioner tool helps; a pry bar can work but risks damage.
• Common gotcha: The belt routing is specific—snap a photo before removal. Misrouting causes slipping or premature wear.
• Break-in period: Expect minor stretch after first 2–3 hours. Re-check tension and adjust if needed.

Should You Buy It

This belt is a solid budget-friendly replacement for DIYers with older D or L-series John Deere tractors. It’s a good value if you’re comfortable with moderate installation work and don’t need OEM branding. If you have a newer model or want guaranteed longevity, stick with the genuine John Deere UC30568 belt.