Gates 4L450K PoweRated V-Belts

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$ 23.62 $ 30.71

Description

Gates 4L450K PoweRated V-Belt

The Gates 4L450K is a 45.0-inch outside-length aramid-reinforced V-belt from the Gates PoweRated line, engineered for outdoor power equipment with shock loading: lawn tractors, riding mowers, snow blowers, tillers, and similar lawn-and-garden machinery. The Kevlar tensile cord handles the start-stop torque cycles that destroy standard fractional-horsepower V-belts.

Specifications

Specification Value
Part Number Gates 4L450K
Belt Section 4L (ANSI/RMA fractional horsepower)
Outside Length 45.0 inches (1143.0 mm)
Top Width 1/2 inch (12.7 mm)
Thickness 5/16 inch (8.0 mm)
Angle 40 degrees
Tensile Cord Aramid (Kevlar)
Construction Notched, molded cog underside for flexibility on small sheaves
Product Line Gates PoweRated
Manufacturer Gates Corporation

Applications

The Gates 4L450K is designed for outdoor power equipment where shock loading and start-stop cycles are common:

  • Riding lawn mowers and lawn tractors
  • Walk-behind mowers
  • Snow blowers and snow throwers
  • Garden tillers and cultivators
  • Wood chippers and shredders
  • Power washers (engine-driven)
  • Generators and small portable equipment

For continuous industrial duty applications, see the standard V-belt catalog or call us at (888) 203-2358 for sizing assistance.

Frequently Asked Questions

What is the Gates 4L450K used for?

The Gates 4L450K is a 45.0-inch outside-length V-belt used in outdoor power equipment including lawn tractors, riding mowers, snow blowers, and tillers. The Kevlar tensile cord makes it suitable for shock-load applications where standard fractional-horsepower belts fail prematurely.

What does the K in Gates 4L450K mean?

The K suffix in Gates PoweRated nomenclature indicates aramid (Kevlar) tensile cord construction. A Gates 4L450 without the K has polyester cord rated for standard duty. The 4L450K is the heavy-duty version of the same belt length.

What are the dimensions of the Gates 4L450K?

The Gates 4L450K measures 45.0 inches outside length, 1/2 inch top width, 5/16 inch thick, with a 40-degree angle. The 4L section is an ANSI/RMA fractional horsepower standard, so dimensions match any other manufacturer's 4L-section belt.

How do I measure my old V-belt to confirm the Gates 4L450K is the right replacement?

Measure the outside length of your old belt around the outside, not the pulley groove. If it measures approximately 45.0 inches and the belt is 1/2 inch wide at the top, the Gates 4L450K is a direct replacement. If the original belt has a part number stamped on it, cross-reference with the manufacturer's catalog before ordering.

Does the Gates 4L450K ship from Houston?

Yes. Texas Belting & Supply stocks Gates PoweRated V-belts at our Houston, Texas warehouse with same-day shipping on in-stock items ordered before 3 PM Central. Call (888) 203-2358 to confirm stock and get a freight quote.

Need a quote on Gates 4L450K?

Houston warehouse — same-day shipping on stock items.

Call (888) 203-2358

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