JMB1SB280646 – Heavy-Duty Pulley (SPB280x6-3535)
Replaces OEM Part No: 756-04129
Alternative GA Spares Part No: PUL7656
Product Description:
The JMB1SB280646 is a precision-engineered heavy-duty V-belt pulley designed for high-performance outdoor power equipment. With a 6-groove SPB280 profile and 3535 taper lock compatibility, it ensures efficient power transmission with minimal vibration and maximum durability.
Ideal for demanding mowing and drive system applications, this pulley is built from premium steel with a corrosion-resistant finish—perfect for commercial or heavy-duty residential machines.
Key Features:
✅ 6-Groove SPB280 Profile
✅ Suits Taper-Lock Bush: 3535
✅ OEM Replacement: 756-04129
✅ GA Spares Part No: PUL7656
✅ Built from high-strength steel
✅ Precision-balanced for smooth operation
✅ Designed to reduce belt wear and vibration
✅ Direct replacement for worn or damaged pulleys
What It’s Used For:
✔ Transmitting mechanical drive power in ride-on mowers and zero-turns
✔ Supporting belt-driven deck or transmission systems
✔ Ensures smooth, reliable operation under heavy load
Why Choose This Pulley:
✔ OEM-level performance and fitment
✔ Designed for long-term durability
✔ Ideal for commercial mowing equipment
✔ Fast and secure fit with taper-lock mounting
Compatible With the Following Models:
Cub Cadet:
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LT1042
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LTX1042
-
LT1046
-
GT2550
-
i1046
-
i1050
-
LTX1050
-
SLT1554
-
SLTX1054
-
RZT 17AE2ACG630
-
RZT-50 (50" cut, 22HP, 2009 zero-turn models)
MTD Yard Machines:
-
13A1762F670
-
13AM771F670
-
13AC762F670
-
13AI762F370
-
13AC762F308
-
13A1762F029
-
13A7771G670
-
13AD791G670
-
13AT771G620
-
13AN772G370
-
13AT775G370
-
13AN772G029
-
13AN772G308
MTD Yard-Man:
-
13AX604G671
-
13AV604G671
-
13AP604G671
-
13AV604G371
-
13AV90YG371
-
13AP90YG371
-
13AR604H671
-
13AP604H671
-
13AP604P371
-
13AP90YP371
White Outdoor:
-
LT946G (13AP606H790)
-
LT546G (13AN775H790)
Standard Pack Quantity: 1 Pulley
Important Note:
This pulley is designed to work with taper-lock bushings (sold separately). Always confirm fitment with your machine's manual or existing part specifications.