【Replace Part Numbers】The lawn mower blades replace part number#: M115496, GY20569, M111523, M113518, M115329, M115496, M135590, M76467, 051509. For mowing tractors with 54-inch decks. Please double-check the models, part numbers before purchasing to ensure fitting. 【Compatible Models】The medium-lift blade fit for John Dee re 325 335 345 425 445 GS25 GS35 GS45 GS75 F725 HD45 HD75 G100; Sabre 2254HV 2354HV 2554HV S2554; Scotts S2554 1999-2001 and GT2554 2002 Series tractors with 54 mulch deck. Please check more in the description. 【Application】The standard blades with medium-lift produce enough suction to pull grass upwards when chopped, resulting in a neat, level look. These mower blades are also excellent choices for the best overall cutting performance in most conditions. They may be utilized for a variety of lawn care tasks. Note: Not to be utilized in sandy or dusty conditions. 【Easy to Install】Remove the blade mounting bolt with a socket wrench of the appropriate size, remove the old blades, and replace the new blade. Finally, secure the blade mounting bolts. Note: The air lift curved side should be toward the lawn mower deck. 【Blade Information】Package Includes: 3 x Mower Blades. Blade Length: 18-5/8'', Blade Width: 2-1/2'', Blade Thickness: 0.2", Round Center Hole: 13/16". Please allow slight deviation due to manual measurement. Before placing an order, please check the mounting center hole and blade size of your old blade. Blade Specification:
Blade Type: Standard Blade
Lift: Medium-Lift
Length: 18 5/8''
Width: 2 1/2''
Thickness: 0.203"
Round Center Hole: 13/16"
For Deck Size: 54 inches
Package Includes: 3 x Mower Blades

Please double-check the models, part numbers, and deck size to verify fitment before purchase.
for John Dee re: M115496, GY20569, M111523, M113518, M115329, M115496, M135590, M76467
for Lesco: 051509
for Scotts: M115496
for Windsor: 50-4395

ONLY compatible with following machine with a 54'' deck (DOES NOT fit machines with 54C 54X 54A decks):
① For John Dee re: 120, 140, 300, 312, 314, 316, 317, 318, 322, 330, 332, 325, 335, 345, 355D, 425, 445, 455, 54 Walk Behind, F620, F680, F687, F725, F735, G100, GS25, GS30, GS45, GS75, HD45, HD75, GT225, GT235, GT235E, GT245, LT170, GX325, GX335, GX345, GX355, LX255, LX266, LX277, LX279, LX288; 2210, 4010, 4110, 4115, 4210, 4310, 4410, 4510, 4610, 4710, 4100, 4200, 4300, 4400, 4500, 4600, 4700 compact utility tractors;
② For Sabre: 2254HV, 2354HV, 2554HV with 54-Inch Decks;
③ For Scotts: GT2554 S2554 with 54-Inch Decks.

Medium-Lift Blade Function
Medium-lift blades feature a slight bend on either end, creating an adequate amount of airflow to draw the grass up, producing a neat and consistent cut, and working well on a variety of lawn sizes.
Sharp Cutting Edge
Blades are pre-sharpened and then powder-coated. This covering will be removed during cutting, revealing a precisely sharpened blade. As a result, new blades do not require sharpening.

Installation:
1. Lift the mower deck to expose the blade.
2. Stop mower blades from rotating with a block.
3. Remove the blade mounting bolt with a socket wrench of the appropriate size.
4. Mount the new blade in the appropriate direction.

Which Side of the Lawn Mower Blade is Up?
The cutting edge of the blade should always be facing the grass, and any twists or mulching teeth should be facing the lawn mower deck.