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V & Wedge Belts
Lawn Mower Belts
B Section Mower Belts
Quick Code: BB-12681
B81 TuffBelt Mower V Belt 17mm Top Width x 84inch Outside Length (5L840)
Replace your rubber A-section V belt and improve your lawn mowers performance with this Tuffbelt mower belt, a premium solution designed for heavy-duty ride-on mowers and agricultural equipment. This high-performance belt offers exceptional reliability and efficiency for various mowing applications.
Designed for convenience, this belt makes upgrading your existing setup straightforward. We have cross referenced the numbers for you so you will receive a belt with a part number beginning with 4L, ensuring correct sizing and compatibility with your current mower system.
TuffBelt TURF DRIVE belts are engineered for demanding outdoor power applications. Built with a dry-wrapped construction, Kevlar tensile cords, and high-performance rubber compounds, these belts deliver exceptional durability and reliability for lawn mowers and other light-duty machinery.
Ideal for drive systems using a clutch, TURF DRIVE belts are commonly used in:
Designed for high flexibility and long service life, even when used with small pulley diameters.
Construction Details:
Tensile Cord
A layer of specially treated high-tensile Kevlar cords is fully embedded within a reinforced fibre compound.
This ensures:
Rubber Base
The fibre-loaded rubber compound provides:
Natural Rubber (NR) benefits:
Fabric Cover
The tough wrapping fabric enhances belt durability and function:
Key Features:
- Constructed with premium Kevlar aramid fibres and cotton cover
- High-strength design suitable for deck, blade, and drive belt applications
- Energy-efficient performance with reduced maintenance
- Provides fewer take-ups and length adjustments compared to standard rubber belts
Technical Specifications:
- Inside Length: Approximately 2057mm
- Outside Length: Approximately 2122mm
- Pitch Length: Approximately 2100mm
- Part Number: B81K (5L840)
- Brand: Medway
Ideal Use Cases:
- Ride-on lawn mowers
- Agricultural equipment
- Professional landscaping machinery
- Replacement for standard rubber B section belts
Designed for compatibility with existing mower setups, this belt allows for easy upgrading from standard rubber B section belts. Youll receive a belt with a part number beginning with 5L, ensuring precise sizing and optimal performance.


