Easy
30-60 minutes
This is an original Craftsman replacement part. The deck adjustment gear is designed by the manufacturer for use with lawn tractors. This part is made of metal, and is connected to the bracket at the rear of the deck. You will require a screwdriver when replacing this item. This part is sold individually.
Gear-deck Adjustme 917-04074
OEM part for: Troy-Bilt, Yard Machines, MTD, Bolens, Yard Man, Craftsman, Poulan, Cub Cadet, Husky, Murray
Part Number: 917-04074
$13.19
In Stock
Ships within 1 business day 
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Compatibility
This Gear-deck Adjustme will fit the following 2839 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Yard Machines
MTD
Bolens
Yard Man
Craftsman
Troy-Bilt
Poulan
Cub Cadet
Husky
Murray
Show More Compatible ModelsThis item works with the following types of products:
- Lawn Tractor Parts
- Lawn Mower Parts
This part replaces obsolete part #: 917-04074B, 717-1553, 717-1553A, 717-04074, 717-1553B, 917-0407, 717-1553A
Customer Part Reviews ?
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Great service
The part was, of course, brand new, and arrived in my mailbox in only a couple of days, so downtime was minimal.
Guest -
June 17, 2022
Verified Purchase
Riding lawnmower deck gear
Quick delivery. Great site!! Love it!!
Guest -
June 22, 2021
Verified Purchase
Mower Deck Leaning
More than 2" to the left. Put Gear on in 5 minute. Very easy job.
Guest -
September 8, 2020
Verified Purchase
good
all was good
Guest -
May 8, 2020
Verified Purchase
It worked grear
It was cheaper than most
Guest -
April 25, 2020
Verified Purchase
Deck Lever
Came quickly! Thanks So Much!
Guest -
April 18, 2020
Verified Purchase
Mower deck adj screw
Gear & bolt fit perfectly. Cut the grass and mower deck remained level.
Guest -
September 22, 2019
Verified Purchase
Worked perfectly
This part was fit my customer''s troy bilt mower perfectly. Very quick and easy repair for the mower deck.
Guest -
September 12, 2019
Verified Purchase
Awesome
Went to 2 different shops and they did not even have the part ! 1 could order would take 2 weeks and 50 bucks. They were not even getting right thing ! Took few more days than we thought but worth the wait .The part fit perfect and 10 minutes had my mower going great ! Will keep you all in the speed file Thank you !
Guest -
August 6, 2019
Verified Purchase
Great response to my need
Their response time was great and timely. The grass does not wait for me to get the mower repaired. Always have the parts I need.
Guest -
May 31, 2019
Verified Purchase
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Deck leveling adjustments fell off and were lost
Michael - August 3, 2016
👍 18 of 23 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set
Ordered new parts and repaired the problem in a short time. Great service and great parts!
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Left side deck adjustment gear fell off
Randy - May 8, 2017
👍 9 of 10 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
30-60 minutes
Tools Used
Pliers, Socket set, Tape Measure
1. Removed the temporary fix.
2. Lowered deck onto wooden shims on the left side set to the same height as the right side.
3. Removed the pin in the linkage to make it easier to line up deck and parts.
4. Installed parts, tightened into place, replace linkage pin.
5. Checked deck height at lowest, idle and highest levels to ensure it was correct.
6. Cleaned up tools and tested mower.
This was easily done in the driveway with basic tools. I would recommend checking all nuts and bolts when you do your spring maintenance and oil changes throughout the year.
2. Lowered deck onto wooden shims on the left side set to the same height as the right side.
3. Removed the pin in the linkage to make it easier to line up deck and parts.
4. Installed parts, tightened into place, replace linkage pin.
5. Checked deck height at lowest, idle and highest levels to ensure it was correct.
6. Cleaned up tools and tested mower.
This was easily done in the driveway with basic tools. I would recommend checking all nuts and bolts when you do your spring maintenance and oil changes throughout the year.
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Left side of mower deck would not raise or lower. Found adjusting nut and bolt were missing.
Thomas - February 6, 2018
👍 5 of 5 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Medium
Time
Less than 15 minutes
Tools Used
Socket set, Wrench Set
1. Installed new adjusting nut.
2. Measured the height of deck on right side.
3. Used wrench to adjust the left side to equal the right side.
4. Tighten everything down, job completed.
2. Measured the height of deck on right side.
3. Used wrench to adjust the left side to equal the right side.
4. Tighten everything down, job completed.
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Missing
Ricky - June 27, 2019
👍 1 of 1 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set, Wrench Set
Parts Used
Screwed the part in
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The deck belt was secured by a regular bolt by previous owner. The deck dropped off and the belt broke.
J - May 1, 2019
👍 1 of 1 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Socket set
1. I disassembled the deck
2. Added the adjustable deck screw
3. Changed the belt
4. Reassembled the deck.
2. Added the adjustable deck screw
3. Changed the belt
4. Reassembled the deck.
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deck adjustment device and retention bolt missing
Cecil - April 8, 2023
Tool Type
Lawn Tractor
Difficulty
Medium
Time
1-2 hours
Tools Used
Power Drill, Socket set
Parts Used
bolt wrong diameter hole in adjustment gear too small requiring enlargement of hole......larger retention bolt...after alteration and proper diameter bolt and thread pitch repair was completed satisfactory.
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Deck not aligned
Douglas - November 27, 2021
Tool Type
Lawn Mower
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Socket set, Wrench Set
Removed cowling under seat and replaced flange bearing
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Broken spindle pulley.
Donald - June 28, 2021
Tool Type
Lawn Tractor
Difficulty
Medium
Time
More than 2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Nutdriver
1. Removed deck from lawn tractor by taking off associated cotter pins.
2. Removed broken spindle pulley.
3. Replaced with new spindle pulley.
4. Replaced adjustment gear.
5. Replaced deck by inserting cotter pins into the associated connections.
2. Removed broken spindle pulley.
3. Replaced with new spindle pulley.
4. Replaced adjustment gear.
5. Replaced deck by inserting cotter pins into the associated connections.
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Steering shaft shaft and pinion gear plus worn out upper drive belt
Bertinus - November 22, 2020
Tool Type
Lawn Mower
Difficulty
Expert
Time
More than 2 hours
Tools Used
Screwdriver, Pliers, Power Drill, Socket set, Wrench Set, A good jack is required plus a lug nut hammer drill .
Drive belt pulley was the hardest . You have drop the engine pulley off the engine shaft and fan on top of the rear hydrostatic drive . Its especially essential to have a hammer drill to do that . Pre soak both both of them with wd40 . On the fan, remove battery and pull out it's box holder, seat also . Front and back pulleys need to be removed to install drive belt otherwise you can't get belt replaced . Did that also at the same time of steering shaft and pinion gear . Remove steering wheel, plus gas tank. Also under side nut .
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Loss deck leveling gear
Danny - April 25, 2020
Tool Type
Lawn Tractor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set
Parts Used
Replace with new gear
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
