GX20006 Kevlar Mover Deck Drive Belt Fit for John Deere D110 D120 D125 D130 D140 D155 D160 D170 L108 L110 L111 L118 L120 L130 X125 X165 Lawn Tractor Mowers Replace# UC30568 (1/2" X 89")

What It Is

This is a Kevlar-reinforced mower deck drive belt (1/2" x 89") designed to transfer power from the engine pulley to the mower blades on select John Deere lawn tractors. It replaces OEM part UC30568 and fits models including D110, D120, D125, D130, D140, D155, D160, D170, L108, L110, L111, L118, L120, L130, X125, and X165.

Fitment & Compatibility

Before buying, confirm three things:

• Deck size: This belt fits 42-inch and 48-inch decks on listed models. Measure your old belt’s length (89 inches) and width (1/2 inch) to verify.
• Model number: Check your tractor’s model tag (usually under the seat or on the frame). This belt is not universal—it only fits the John Deere models listed above.
• OEM replacement: It replaces John Deere part UC30568. If your tractor uses a different OEM number (e.g., GX20006 or M154377), cross-reference carefully.

Key Things to Know

• Kevlar construction: More durable than standard rubber belts—resists stretching and heat better, especially under heavy grass or frequent use.
• Installation difficulty: Moderate. You’ll need to remove the mower deck and route the belt around pulleys (refer to your deck diagram). No special tools required, but patience helps.
• Common gotchas: Ensure belt tension is correct—too loose causes slipping, too tight wears pulleys. Also, check for worn idler pulleys or spindles before installing a new belt; bad pulleys will kill a new belt fast.
• Price vs OEM: At $17.99, it’s significantly cheaper than John Deere’s OEM belt (often $30+), with strong user reviews backing its lifespan.

Should You Buy It

Yes, if you own one of the listed John Deere models and want a reliable, budget-friendly replacement for a worn or broken deck belt. The Kevlar reinforcement adds durability for average homeowner use, and the 4.6-star rating suggests it holds up well. However, if you mow commercially or in extremely abrasive conditions, consider a premium OEM belt for maximum longevity.