Mower Blades AM140973 / AM137330 for John Deere

Overview

These aftermarket Mower Blades AM140973 / AM137330 for John Deere are replacement mulching mower blades for select John Deere mower deck applications using the listed replacement blade number path.

Use this listing when your original blade number matches M156416 / M159140 / 1338G / AM140973 or another replacement number listed below, and your deck uses the same blade length, center-hole style, blade count, deck size, and blade layout.

Key Features

• Aftermarket mower blade set for select mower deck applications
• Available pack quantities: 2-Pack
• Replacement path: M156416 / M159140 / 1338G / AM140973 / AM137330 / AM140332
• Common deck size: 42 inch
• Blade length: 21-3/8 inch
• Center hole: 7/8 inch
• Blade style: Mulching
• Use the original blade number and physical measurements to confirm fitment

Compatible Brands & Model Series

This blade set is used on select John Deere mower deck applications with 42 inch decks.

Source fitment examples:

• John Deere: D105 100 Series Tractor - 42M"LT160 Lawn Tractor - 42M"X300 Select Series Tractor - 42M"X300R Select Series Tractor - (serial numbers up to 085000) - 42-inch deck
• John Deere: X304 X310 X324 X330 X340 X350 X354 X360 X370 - 42M"107H Lawn Tractor - 42-inch deck
• John Deere: X130R, X155R, X167R Tractor (100 Series) - 42-inch deck
• John Deere: X300, X304 - (serial numbers up to 050000) - 42M"102, 105, 115, 125, 135, 107H (100 Series) - 42-inch deck
• John Deere: D100, D105 - 42-inch deck - 100 SeriesD100, D105 - 42C"- 100 SeriesD100, D105 - 42-inch deck (serial numbers 600001 and higher)- 100 SeriesD110, D120- 42-inch deck - 100 SeriesD110, D120 - 42C"- 100 SeriesD125, D130 - 42-inch deck - 100 SeriesD125, D130 - 42C"- 100 SeriesD125, D130 - 42-inch deck (serial numbers 600001 and higher)
• John Deere: E100, E110, E120, E130 - 100 Series - 42-inch deck 42C"L108, L118, LT160 - 42-inch deck
• John Deere: L111 - 42-inch deck 42C"LA100, LA120 - (100 Series) - 42-inch deck
• John Deere: LA105, LA110, LA115, LA125, LA135 - 42-inch deck
• John Deere: LA105, LA110, LA115, LA125, LA135 - 42-inch deck (serial numbers 600001 and higher)
• John Deere: S100, S110, S120, S130 100 Series - 42-inch deck 42C"S240 - 42-inch deck (serial numbers up to 880000)
• John Deere: SST15, SST16 - Spin Steer - 42-inch deck 42-inch deck 42AP"X105, X106, X107, X110, X120, X125, X126 - 100 Series Tractor - 42-inch deck
• John Deere: X305R, X350R - 42-inch deck
• John Deere: X304, X324 - 42-inch deck (serial numbers up to 050000)
• John Deere: X500, X520 Multi-Terrain - 42-inch deck
• John Deere: Z225, Z235 EZtrak Residential Zero Turn - 42-inch deck
• John Deere: X300, X304 - (serial numbers up to 050000) - 42-inch deck
• John Deere: X324 - ( - 050000) & (serial numbers 050001 and higher) - 42-inch deck
• John Deere: X330, X350, X354, X370 - 42M"107H - 42-inch deck
• John Deere: LT160, X130R, X155R, X167R - 42-inch deck
• John Deere: 102, 105, 115, 125, 135, 107H, S100, S110, S120, S130 100 Series - 42-inch deck
• John Deere: LA100, LA105, LA110, LA115, LA120, LA125, LA135 - (100 Series) - 42-inch deck
• John Deere: X105, X106, X107, X110, X120, X125, X126 - 100 Series Tractor - 42-inch deck
• John Deere: X305R, X350R, X500, X520 - 42-inch deck
• John Deere: Z225 EZtrak Residential Zero Turn - 42-inch deck (serial numbers up to 080000) Z235 EZtrak Residential Zero Turn - 42-inch deck
• John Deere: 108, 111, 111H, 112L, 170, 175, 180 - 38-inch deck
• John Deere: 180 - 38-inch deck (360001 - 420000)
• John Deere: 185 - 38-inch deck (360001 - 420000) (420001 - 750000), (010001 - 100000)
• John Deere: 240, 245, 260, 265, 285 & 320, 97-14HS SABO - 38-inch deck
• John Deere: F510, F525, GT242, GT262, GT275, LT133, LT150, LT155 - 38-inch deck
• John Deere: LX172, LX173, LX176, LX178, LX186 and LX188, STX30, STX38, STX46 - 38-inch deck
• John Deere: Sabre 1338G, 1538H, 1546G, 1638HS, 1646H, 1338GS, 1538HX, 1546GS, 1646HS - 38-inch deck
• John Deere: Sabre 1338G, 1538H, 1546G, 1638HS, 1646H, 1338GS, 1538HX, 1546GS, 1646HS - 38-inch deck (serial numbers 600001 and higher)
• John Deere: Sabre 1438GS and 1438HS, 1438GS, 15.538GS, 15.538HS EuroPro - 38-inch deck
• John Deere: X300 - 38X"X300 - 38C (serial numbers up to 050000)
• John Deere: X300 - 42M" (serial numbers up to 050000)
• John Deere: X300 - 42X"LT180, X310 - 38-inch deck 42-inch deck
• John Deere: 145 (100 Series) Tractor - 48-inch deck
• John Deere: 155C (100 Series) Tractor - 48-inch deck
• John Deere: X140 Tractor (100 Series) - 48-inch deck - (serial numbers up to 011385)
• John Deere: Z245, Z255 EZtrak Residential Zero Turn - 48-inch deck
• John Deere: Z355E ZTrak Mower - 48-inch deck (serial numbers up to 050000)

Fitment note: Model names, deck sizes, and serial ranges are provided as fitment clues. Match the original blade number, blade length, center-hole style, blade count, deck size, and mower model before ordering.

Replaces OEM Part Numbers

• M156416
• M159140
• 1338G
• AM140973
• AM137330
• AM140332

Blade Specifications

• Blade length: 21-3/8 inch
• Blade thickness: 3/16 inch
• Center hole: 7/8 inch
• Common deck size: 42 inch
• Blade type: Mulching

Common Symptoms of Worn Mower Blades

• Uneven cut quality
• Grass tearing instead of cutting cleanly
• Visible blade wear, cracks, bends, or rounded cutting edges
• Deck vibration from bent or unbalanced blades

Quick Ship Fulfillment

This item may ship directly from one of our trusted U.S. distribution partners to help reduce transit time. Packaging, labeling, or warehouse origin may vary, but the part will match the replacement numbers, fitment notes, and specifications shown in this listing.

Why Buy From PTO Direct USA

• Focused replacement parts for mower deck and PTO repair
• Part-number-first listings to help reduce fitment mistakes
• Clear replacement numbers and fitment notes before you order
• Fast, practical support if you need help checking compatibility

Need Help Confirming Fitment?

If you are not sure whether this blade set fits your mower, send us your mower model number, deck size, and the part numbers from your original blades. We can help you compare them before you order.

FAQ

Will this fit all 42 inch decks?

No. This blade set fits select applications only. Match your original blade number, blade length, center-hole style, deck layout, and mower model before ordering.

Which package quantity should I choose?

Choose the pack quantity that matches your deck blade count and the number of complete blade changes you want to keep on hand.

What should I check before installing?

Compare blade length, center-hole pattern, lift style, deck layout, and original blade number against your mower or OEM diagram. Stop installation if the blades do not match your original setup.