John Deere 42X Complete Mower Deck Fits X300 Series Tractors

Part Number: 9039M (BM25365)
29 Review(s)
John Deere 42X Complete Mower Deck Fits X300 Series Tractors
John Deere 42X Complete Mower Deck Fits X300 Series Tractors
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Your Price: $975.00
John Deere 42X Complete Mower Deck Fits X300 Series Tractors
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Brand John Deere


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New Complete 42X deck for the X300 X500 Series lawn tractors.
42-in. Edge Xtra Mower deck provides the performance advantages of a two-spindle mower in a wide 42-in. (1067-mm) size.

The Edge Xtra cutting system includes mower decks with::
  • Resilient four-point mounting systems
  • Wide anti-scalp wheels 
  • 1/4-in. (6.4-mm) cut-height increments 
  • On-board deck-leveling system 
  • Replaces the 'C' designation for use on Select Series™ Tractors
 The strength of the deck is enhanced by the top-discharge design. A section of material below the discharge opening ties the front and rear of the deck together.
When using the rear bagger, material flows upward through the deck to provide very effective bagging and reduced chance of plugging. For this reason, no Power Flow™ is available for the 42-in. mower.

Note: If a 42X or 42M Mower is installed on an X300 Series Tractor that was equipped with a 38X Mower, one M155044 right-hand/left-hand lift arm is required; the 38X Mower uses a unique right-side draft arm.

Note: Directly replaces SKU21892 42-in. Edge Xtra Deck (42X).
This deck will fit the following models:
  • X300
  • X304
  • X310
  • X320
  • X324
  • X340
  • X360
  • X500
  • X520
  • X530
  • X540


Replaces BM21892
Replaces BM24193


  • California use info:

    ⚠ Warning: Cancer and Reproductive Harm -

Feature 13


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Customer Reviews

Great deal on X300 Mower Deck replacement
Our old mower deck was throwing the belt and we had tried to repair a crack in the deck. I found this deck online and ordered it. My husband was impressed that it came with all of the needed parts and said it was a newer style deck than the one that was on our X300 that we were having problems with. The local Deere dealer wanted $1800 to replace so we took a chance ordering this one. It is doing great and our neighbor was having trouble with theirs also so we gave him the website information and he is ordering one also. I am very glad I found it. It says to allow 4-6 weeks but it came in just about 4.
Did you find this helpful?  20 of 21 Found Helpful
Reviewed by:  from Brookfield, MO. on 5/25/2015
My X304 never cut correctly, but after I hit a stump it was worse. I contacted the local John Deere place and there was a three week waiting list to just get the mower into the shop. Somehow, if it takes that long, they shouldn't have 'service' in their business title. I asked about buying a new one and they offered me a whole $750 toward another X304. Mine only had 150 hours on it. So I decided to just buy a new deck. The price was right and the company was very helpful. It took less than an hour to replace the old deck and that was because I adjusted everything.
Did you find this helpful?  14 of 14 Found Helpful
Reviewed by:  from Garden Ridge, TX. on 7/26/2015
X300 Replacement Mower Deck.
After hitting a stump with my old deck,It was a lot cheaper buy a replacement deck thru the Green Dealer.The new deck show up at my house in about a week, Put the deck on my tractor and it works just like the day I bought my mower. Thank's Green Dealer.
Did you find this helpful?  10 of 11 Found Helpful
Reviewed by:  from Mendota,Il. on 5/24/2015
Good Service, Minor Inconvenience.
Everything with company was great, and the part was exactly what I needed. Very little effort to switch out. The only problem I had was delivery. Estes coordinated a time to deliver 12-4pm. At 3:30pm I called to check status and was informed it was never put on truck, wasting the 4 hours already. I spent another 2 hours round trip to pick it up for myself. I recommend this company regardless.
Did you find this helpful?  8 of 8 Found Helpful
Reviewed by:  from Tennessee. on 5/31/2015
Irrigation Techican/Installer
The deck fits and operates exactly like original one. Very satisfied with website , timely deliver , and Estes were also very negotiable on delivery options . Thank you for your service . One Satisfied Customer .
Did you find this helpful?  8 of 8 Found Helpful
Reviewed by:  from Blythewood, SC. on 5/12/2015

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