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Home > John Deere Lawn Mower Parts > John Deere LT100 Series

John Deere 38-inch Complete Replacement Deck Fits LT133 - LT180

Part Number 901JM
review 4 Review(s)
John Deere 38-inch Complete Replacement Deck Fits LT133 - LT180
John Deere 38-inch Complete Replacement Deck SKU20799
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Usually In Stock

Replace your worn out tired or damaged deck with this brand new 38" complete mower deck. Deck is a John Deere factory item and comes complete with gauge wheels, spindles, blades, discharge chute and belt. This deck is ready to mount to your tractor and install.

NOTE- When installing this deck on the LT133, LT155 or LT166 tractor you will be required to drill out the lift arms on your tractor to 1/2" to accomodate the newer style heavier J-pins that attach the mower to the lift arms on the tractor.

* Please allow two to three weeks for shipping on this deck. The deck is factory stock and it will take one to three weeks to receive the deck at our dock and then ship out to you. If you are in need of the deck faster please call to check availability PRIOR to ordering.*


This item ships via truck freight on a pallet/in a crate. Truck shipping to a business that has a forklift or dock for unloading will be $150. Please call for all residential freight quotes PRIOR to ordering. 

This deck will not fit the 100 series, or the LA100 series.

It will only fit the LT133, LT155, LT166, LT150, LT160, LT170 & LT180 series mowers.

SKU20799 No Serial Number

Brand John Deere
Customer Reviews
Rating Homeowner
I was very pleased with the replacement deck and the speedy service I received from the Green Dealer. I was told by my Canadian dealer that this deck was obsolete, so I was very happy that I didn't have to buy a new mower. The deck is complete and installs in minutes.
  Reviewed by:   from Winchester Ontario Canada. on 9/28/2014
Rating JD 38-Inch Mower Dect
Wow, like a new Lawn Tractor. Did buy this one to do Lawn and the original one I set up with Gator Blades to use for mowing a small pasture. The price is right. Came directly from factory. Did arrive with the wrong chute spring but Green Dealer sent me the correct one within days. Thanks Green Dealer!!
  Reviewed by:   from Clearwater, MN. on 7/19/2014
Rating Homeowner
I purchased this replacement deck for my LT150 tractor. A different Deere dealer told me the deck was no longer available, so I am glad AHW had the deck in stock. It was a cost savings for me to replace the deck instead of having to replace the entire mower. Thanks to The Green Dealer for helping me.
  Reviewed by:   from Princeton, IL. on 12/31/2013
Rating home owner
great product, good price. pleased with service and delervery and the assembled deck makes a world of diffrence. the price is actully cheaper thatn buying all the parts seprately. thanks now i have a new J.D
  Reviewed by:   from ms. on 8/1/2013
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