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Description
WB04 764 6800 – B-Section Aramid Wrapped Drive Belt, 123" Effective Length (Genuine OEM Replacement Part)
The WB04 764 6800 Drive Belt is a genuine OEM B-section wrapped V-belt engineered to deliver dependable power transfer for the transaxle drive system on compatible commercial zero-turn mowers. With an effective length of 123 inches (EL) and reinforced with high-strength aramid (Kevlar®-type) cords, this heavy-duty belt is designed to withstand the extreme loads, heat, and continuous operation required in professional mowing applications.
Manufactured to OEM specifications, the WB04 764 6800 provides excellent resistance to stretching, cracking, glazing, and wear. Its wrapped construction improves durability and helps maintain proper belt traction, ensuring smooth hydrostatic drive performance and long service life.
Product Details
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Part Number: WB04 764 6800
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Part Type: Transaxle Drive Belt
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Belt Section: B-Section Wrapped V-Belt
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Effective Length (EL): 123 Inches
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Reinforcement: High-strength Aramid (Kevlar®-type) Cord
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OEM Status: Genuine OEM Replacement Part
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System: Transaxle Drive System
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Installation: Direct OEM replacement
Key Features
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Genuine OEM replacement belt
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Heavy-duty B-section wrapped construction
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123-inch effective length (EL)
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Reinforced with aramid cords for maximum strength
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Excellent resistance to stretching and belt slip
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Designed for high-load commercial applications
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Heat, oil, and abrasion resistant
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Provides smooth and efficient power transfer
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Direct-fit installation
Function
The WB04 764 6800 Transaxle Drive Belt transfers engine power to the hydrostatic transaxle system, allowing the mower to deliver smooth acceleration, responsive steering, and reliable ground speed. Its aramid reinforcement minimizes belt stretch under heavy loads, helping maintain consistent performance throughout the mowing season.
Replacing a worn or damaged drive belt helps restore factory drive performance, improve traction, and reduce unnecessary wear on pulleys, idlers, and transaxle components.
Compatible Models
The WB04 764 6800 Drive Belt is compatible with the following commercial zero-turn mower models:
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RZ 752.0 K – Transaxle Drive
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RZ 752.0i – Transaxle Drive
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RZ 752.0i K – Transaxle Drive
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RZ 760.0 K – Transaxle Drive
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RZ 760.0i – Transaxle Drive
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RZ 760.0i K – Transaxle Drive
Always verify your equipment's model number and serial number before ordering.
Who Is This For?
Ideal for:
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Professional landscapers
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Commercial lawn care companies
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Municipal maintenance departments
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Golf course maintenance crews
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Estate managers
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Equipment repair technicians
Recommended Property Size
Perfect for maintaining:
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Large residential properties
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Commercial landscapes
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Municipal parks
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Schools and universities
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Sports complexes
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Golf courses
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Large estates
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Professional landscaping operations
Pros
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Genuine OEM replacement quality
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Premium aramid (Kevlar®-type) tensile cords
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Heavy-duty wrapped B-section construction
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Excellent resistance to stretching and wear
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Maintains consistent transaxle performance
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Long service life under commercial use
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Direct OEM fit
Cons
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Compatible only with equipment requiring WB04 764 6800
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Belt tension and pulley condition should be inspected during installation
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Worn idlers or pulleys can reduce belt life
Comparison – Genuine OEM vs Aftermarket Drive Belts
Genuine OEM WB04 764 6800
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Exact OEM length and profile
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Premium aramid cord reinforcement
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Superior heat and wear resistance
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Reliable power transfer
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Long-lasting commercial performance
Generic Aftermarket Belt
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Belt dimensions may vary
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Lower-quality tensile cords
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Increased belt stretch over time
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Reduced service life under heavy loads
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Performance depends on manufacturer
Why Buy from Barry's Power Equipment?
Barry's Power Equipment is a trusted supplier of genuine OEM replacement parts for commercial lawn mowers and outdoor power equipment.
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Genuine OEM replacement parts
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Fast shipping throughout the USA
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Competitive pricing
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Expert customer support
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Trusted by professional landscapers and commercial mowing contractors
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Extensive inventory of OEM belts, pulleys, hydraulic components, and engine parts
Keep your commercial mower operating at peak performance with the WB04 764 6800 B-Section Aramid Wrapped Drive Belt. Designed for the RZ 752.0 K, RZ 752.0i, RZ 752.0i K, RZ 760.0 K, RZ 760.0i, and RZ 760.0i K transaxle drive systems, this genuine OEM belt delivers exceptional durability, reliable power transmission, and long-lasting performance in the toughest mowing conditions.

