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V & Wedge Belts
Lawn Mower Belts
A Section Mower Belts
Quick Code: BB-12583
A77 Medway Mower V Belt (6879)



Upgrade your ride-on mower's performance with the A77 Medway V Belt, a premium power transmission solution designed for demanding agricultural and lawn care equipment.
Key Features:
- High-strength Kevlar aramid fiber construction
- Cotton-covered for enhanced durability
- Energy-efficient design with minimal stretching
- Ideal for multiple mower applications including:
- Deck belts
- Blade drive systems
- Primary drive transmission
- Fewer tension adjustments required
Technical Specifications:
- Inside Length: Approximately 1956mm
- Outside Length: Approximately 2006mm
- Pitch Length: Approximately 1986mm
- Part Number: A77K
- Equivalent Part Number: 4L790
Compatibility and Use Cases:
Perfect for a wide range of lawn care and agricultural equipment, this Medway V Belt is designed as a direct replacement for standard rubber A section belts. Suitable for:
- Ride-on lawn mowers
- Garden tractors
- Professional agricultural equipment
Designed to provide superior performance with fewer tension adjustments, the advanced Kevlar aramid fiber construction ensures longer belt life and consistent power transmission across various mowing conditions. For your convenience, we have listed these A section belts to make it easier to match your existing setup, especially if you're looking to upgrade from a standard rubber A section belt to a more advanced mower belt with aramid cording.
Note: While listed with a part number beginning with 4L, the sizing remains precisely matched to your existing setup.






Vee belts used in Lawn Mower decks, it is important that they remain flexible even when runining inside out when running around tensioning pulleys, these do.





Great belt, cost effective and potentially better quality than OEM PART