Oregon® 22-1/4" Blade for 22" Toro Lawn Mowers, OEM Part Number 144-3177-03

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Specifications, Details & Support Reviews

This 21-1/4" Oregon® blade was designed as a replacement for Toro lawn mowers, OEM part number 144-3177-03. Made from premium hardened steel, each blade is carefully monitored for material integrity, ensuring balanced cuts, reduced vibration, and long-lasting performance. The cutting edge comes pre-sharpened at an optimal angle for clean and consistent cuts that will help keep your yard looking green and healthy. Backed by a legacy of craftsmanship that began in 1947, Oregon® products undergo a rigorous 26 point certification process to ensure their safety, quality, durability, and performance. WARNING: This product can expose you to Nickel, a chemical known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

Product Details

VERIFY FIT: Replaces OEM blade for Toro lawn mowers with 22" decks: part number 144-3177-03; length 21-1/4" width 2.25" center hole 7/16" round
COMPATIBLE MOWERS: Toro Flex-Force Power System 60V
MATERIAL INTEGRITY: Made with premium hardened steel and carefully monitored to ensure each blade’s material delivers tough, consistent, long-lasting performance
PRE-SHARPENED EDGE: Cutting edge pre-sharpened at optimum angle for a clean, even cut from the first mow, reducing the chance of tearing, which can lead to the browning of grass tips due to infection
OREGON® QUALITY: Since 1947, trusted worldwide for our unparalleled quality and control standards, Oregon® products undergo a rigorous 26-point certification process to meet the highest standards for safety and durability
WARNING: This product can expose you to Nickel, a chemical known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov

Specifications, Details & Support

Blades
Blade Width	2.25"
Thickness	0.149
Blade Length	21-1/4
Outer Hole Diameter	3/8
Center Hole Size Center Hole Size Many blades will have a round hole in the center of the blade and you will need to know its diameter. Blade Length 5 or 7 Point Star Center holes may be 5 or 7 point star shaped. 5 point star on blade7 point star on blade Square or Rectangular The MTD built blades on many walk behind lawn mowers have a 'bow-tie' hole. In this case the Oregon replacement blade will have a rectangular center hole which will fit on the bow-tie pattern on the blade adapter. Square or Rectangular hole on blade MTD Blades The MTD® built blades (Bolens, Cub Cadet, Troy-bilt, White, Yard Machine, and Yardman) may have a 6 point star. Oregon replacement blades will have a 'Y' shaped center hole which will fit exactly on the 6 point star on the blade spindle. 6 point star for MTD blades The two sizes of the 6 point star. If your blade spindle has a bolt and lock washer that holds the blade to the machine you would use the 11/16" star or 'Y' blade. blade spindle with bolt and lock washer. If your blade is secured with a large flange nut then you would use the 5/8" star or 'Y' blade. blade spindle with large flange nut	7/16
Center-to-Center	2-1/2
OffSet	21/32
Air Lift	13/16
Blade Material	Steel

General
Product UOM	Each
Weight (with Packaging)	0.001 Lb
Net Weight Carton	0.0 Lb