Oregon Mower Blade, 20-1/2" - 91-144

You can count on the Oregon® 91-144 replacement lawn mower blade to be the best in the industry. Our 26 quality standards ensure that you’re buying a sharp, high-performance blade that mounts properly. It delivers a cleaner cut for quality results.

• Center hole: 3/4"
• Requires 2 blades for 40" cut, 3 for 60"
• Enhanced mulching for bagging and discharge efficiency
• Stays sharp and durable for longer
• Fits Cub Cadet models: 3660
• Z Force, some Tanks

Replaces OEM Parts

• Ariens - 03607059
• Ariens - 03624700
• Ariens - 03624751
• Ariens - 03624759
• Cub Cadet - 01004719P
• Cub Cadet - 01001805
• Cub Cadet - 742-3042
• Cub Cadet - 759-04013
• Gravely - 03624751
• Cub Cadet - 01003805
• Laser - 91197
• Mowmore - CC10383
• MTD - 01001805
• Cub Cadet - 01003280
• MTD - 01003805
• MTD - 01004719
• Laser - 91717
• MTD - 1004719-0637
• Gravely - 03624700
• MTD - OCC-01004719
• Sunbelt - B1CC1421
• Cub Cadet - 01004719
• Rotary - 10383
• MTD - 01003280
• Cub Cadet - 1004719-0637
• Cub Cadet - OCC-01004719
• MTD - 01004719P
• Ariens - 36247
• Ariens - 3607059
• Ariens - 3624751
• Ariens - 3624759
• Cub Cadet - 1004719
• Cub Cadet - 01004719-0637
• MTD - 01004719-0637
• Rotary - 6254
• Stens - 305-589
• Stens - 350-271
• Windsor - 50-3815
• Woods - 03624751
• Woods - 03624751KT
• Rotary - 15-6254
• Rotary - 15-10383

Fits Models

• Cub Cadet - LT1000
• Cub Cadet - SLT1500
• Cub Cadet - GT1500
• Ariens - 1440 Sport Zoom
• Ariens - 1440 RER
• Ariens - EZR 1440
• Ariens - 1440G
• Ariens - 1440H
• Ariens - 1540
• Ariens - 1540H
• Ariens - YT1540
• Ariens - 1640
• Ariens - 1640H
• Ariens - 1740
• Ariens - Sierra 1340G
• Ariens - 1340H
• Ariens - YT16H
• Ariens - YT16.5H
• Ariens - YT15H
• Ariens - YT15G
• Ariens - YT14G
• Ariens - YT13H
• Ariens - YT13G
• Cub Cadet - 3660
• Cub Cadet - Z-Force
• MTD - 3660
• MTD - Z Force
• Gravely - 1440 RER
• Gravely - Sport ZT1440
• Gravely - GLT440
• Gravely - ZT1740
• Ariens - 787016
• Ariens - 836003
• Ariens - 915001 (EZR 1440)
• Ariens - 915005 (EZR 1540)
• Ariens - 915006 (EZR 1640)
• Ariens - 915008 (EZR 1540)
• Ariens - 915020 (EZR 1540)
• Ariens - 915003 (EZR 1540)
• Ariens - 915021 (EZR 1740)
• Ariens - 915033
• Ariens - 915010 (EZR 1540)
• Ariens - 915301 (EZR 1440)
• Ariens - 915004 (EZR 1440)
• Ariens - 915303 (EZR 1440)
• Ariens - 927065 (1440 RER)
• Ariens - 936003 (YT12H)
• Ariens - 927020 (RM1032)
• Ariens - 936004 (YT15H)
• Ariens - 936005 (YT15G)
• Ariens - 936002 (YT12G)
• Ariens - 936008 (LT14G)
• Ariens - 936010 (YT13H)
• Ariens - 936011 (YT15G)
• Ariens - 936012 (YT15H)
• Ariens - 936013 (YT16.5H)
• Ariens - 936014 (1340G)
• Ariens - 936015 (1440G)
• Ariens - 936016 (1340H)
• Ariens - 936017 (1440H)
• Ariens - 936019 (1640H)
• Ariens - 936009 (YT13G)
• Ariens - 936018 (1540H)
• Ariens - 936022 (1340G)
• Ariens - 936026 (1540H)
• Ariens - 936027 (1640H)
• Ariens - 936023 (1540H)
• Ariens - 936034 (YT1540)
• Ariens - 936302 (LT14G)
• Ariens - 936304 (YT16H)
• Ariens - 936305 (1440G)
• Ariens - 936307 (1640H)
• Ariens - 915304 (EZR 1540)
• Ariens - 936306 (1440H)
• Ariens - 936310 (1540H)
• Ariens - 936311 (1640H)
• Ariens - 992316 (260H)
• Ariens - 936020 (1640H)
• Ariens - 992321 (272H)
• Ariens - 936308 (1440G)
• Ariens - 992322 (252H)
• Ariens - 936312 (1540G)
• Ariens - 992317 (260H)
• Cub Cadet - Z Force 60

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

Oregon part number: 91-144