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Description
485589 – 5.75" Pulley with 1.125" Bore for SCAG Mowers (Genuine SCAG OEM Part)
The SCAG 485589 Pulley is a genuine OEM replacement drive pulley engineered for use on compatible SCAG commercial zero-turn mowers. Featuring a 5.75-inch outside diameter and a 1.125-inch bore, this precision-machined pulley is designed to deliver smooth, efficient belt operation while maintaining proper belt alignment and drive system performance.
Manufactured from heavy-duty steel and built to SCAG's exact specifications, the 485589 Pulley provides exceptional durability, excellent wear resistance, and long-lasting reliability under demanding commercial mowing conditions. Replacing a worn or damaged pulley helps extend belt life, reduce vibration, and restore optimal mower performance.
Product Details
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Manufacturer Part Number: 485589
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Brand: SCAG
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Part Type: Drive Pulley
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Pulley Diameter: 5.75 Inches
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Bore Size: 1.125 Inches
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OEM Status: Genuine SCAG OEM Part
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Material: Heavy-Duty Precision-Machined Steel
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System: Belt Drive System
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Function: Guides and transfers power through the belt drive system
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Installation: Direct OEM replacement
Key Features
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Genuine SCAG OEM replacement pulley
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5.75-inch outside diameter
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1.125-inch precision-machined bore
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Heavy-duty steel construction
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Maintains proper belt alignment
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Reduces belt wear and slippage
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Precision-balanced for smooth operation
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Built for commercial-duty performance
Function
The SCAG 485589 Pulley transfers engine power through the mower's belt drive system while maintaining correct belt tracking and tension. A properly functioning pulley helps reduce vibration, prevents premature belt wear, and ensures efficient operation of the mower's drive or deck system.
Replacing worn pulleys when installing new belts helps maximize belt life and maintain factory performance.
Compatible Models
The SCAG 485589 Pulley is used on select SCAG commercial zero-turn mowers and outdoor power equipment.
Always verify your mower model, serial number, pulley diameter, bore size, and illustrated parts diagram before ordering to ensure proper compatibility.
Who Is This For?
Ideal for:
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Professional landscapers
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Commercial lawn maintenance companies
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Equipment repair technicians
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Municipal grounds departments
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Fleet maintenance professionals
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SCAG mower owners performing OEM repairs
Recommended Property Size
Perfect for:
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Commercial landscapes
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Large residential estates
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Parks
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Schools
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Golf courses
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Sports complexes
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Municipal properties
Pros
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Genuine SCAG OEM quality
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Precision-machined 5.75-inch pulley
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Heavy-duty steel construction
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Maintains proper belt alignment
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Helps extend belt life
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Smooth, vibration-free operation
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Long-lasting commercial durability
Cons
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Fits only compatible SCAG equipment using a 5.75-inch pulley with a 1.125-inch bore
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Pulley should be inspected whenever belts are replaced
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Worn bearings or mounting hardware should also be replaced if necessary
Comparison – Genuine SCAG OEM vs Aftermarket Pulleys
Genuine SCAG 485589
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Exact OEM dimensions and bore size
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Precision-balanced steel construction
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Superior belt alignment
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Factory-approved durability
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Long service life
Aftermarket Pulley
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Dimensions and tolerances may vary
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Material quality differs by manufacturer
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Increased risk of belt misalignment and premature wear
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Performance and longevity may be inconsistent
Why Buy from Barry's Power Equipment?
Barry's Power Equipment is an authorized SCAG dealer offering genuine SCAG equipment, OEM replacement parts, and accessories.
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Authorized SCAG Dealer
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Genuine SCAG OEM 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 SCAG pulleys, belts, spindles, blades, hydraulic components, and maintenance parts
Restore smooth, efficient power transmission with the SCAG 485589 5.75" Pulley with 1.125" Bore. Designed for compatible SCAG commercial mowers, this genuine OEM replacement provides factory-precision fit, exceptional durability, and the reliable performance professionals trust every day.