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MTD 520-MOWER gas lawn mower Parts
Here are the diagrams and repair parts for MTD 520-MOWER gas lawn mower, as well as links to manuals and error code tables, if available.
Owner’s manual
By Schematic
By Part
SELECT DIAGRAM
Browse Parts for 520-MOWER Walk-Behind Mowers
Self-propelled mower diagram
Sleeve Spacer
Part #750-04120
The manufacturer no longer makes this part, and there's no substitute part
Engine shrouds diagram
Shrd-eng-xtl
Part #751B281451
The manufacturer no longer makes this part, and there's no substitute part
Engine shrouds diagram
Shroud Engine
Part #731-1934
The manufacturer no longer makes this part, and there's no substitute part
Half Pulley
Part #756-0962
The manufacturer no longer makes this part, and there's no substitute part
Hex Bearing
Part #16500A
The manufacturer no longer makes this part, and there's no substitute part
22" blade/22" deck/handle diagram
Chain Axle A
Part #17055B
The manufacturer no longer makes this part, and there's no substitute part
22" deck/22" blade/handle diagram
Flange Bearing
Part #741-0485
The manufacturer no longer makes this part, and there's no substitute part
Upper and lower housing diagram
Belt Guard
Part #747-0549
The manufacturer no longer makes this part, and there's no substitute part
22" blade/22" deck/handle diagram
Shelf Pin
Part #711-0805
The manufacturer no longer makes this part, and there's no substitute part
Self-propelled mower diagram
Torque Screw
Part #710-04121
The manufacturer no longer makes this part, and there's no substitute part
RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES
Hex Patch
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Most common symptoms to help you fix your walk-behind mowers
Choose a symptom to see related walk-behind mower repairs.
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…
Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…
Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…
Repair guides for gas walk-behind mowers
These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.
How to replace a lawn mower front deck tray
Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…
Repair time and Difficulty
60 minutes or less
How to replace a lawn mower transmission
Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…
Repair time and Difficulty
60 minutes or less
How to replace a lawn mower flywheel key on a flathead engine
When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…
Repair time and Difficulty
45 minutes or less
Effective articles & videos to help repair your walk-behind mowers
Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.
Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…
Learn about the top 10 must-have electric lawn & garden tools for 2023…
Learn about the different kinds of mower blades and how to maintain them.…
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