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MTD
Gas Walk-Behind Mower

Model # 506 Official MTD gas lawn mower

Here are the diagrams and repair parts for Official MTD 506 gas lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 51 parts  |
Bell Support 736-0524A
#26

Mower diagram

Bell support

Part #736-0524A

Replaced by #736-0524B-1

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Manufacturer substitution
This part replaces 736-0524A. Substitute parts can look different from the original.
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$6.58 | 
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Yard Machines Lawn & Garden Equipment Hex Bolt, 3/8-24 X 1-1/2-in (replaces 910-1044) 710-1044
#25

Mower diagram

Yard machines lawn & garden equipment hex bolt, 3/8-24 x 1-1/2-in (replaces 910-1044)

Part #710-1044

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$5.33 | 
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Lawn Mower Blade Adapter 748-0376C
#23

Mower diagram

Lawn mower blade adapter

Part #748-0376C

Replaced by #748-0376E

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Manufacturer substitution
This part replaces 748-0376C. Substitute parts can look different from the original.
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Hinge Pin 747-0710
#33

Mower diagram

Hinge pin

Part #747-0710

Replaced by #747-0710A

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Manufacturer substitution
This part replaces 747-0710. Substitute parts can look different from the original.
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$4.76 | 
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Lawn Mower Control Cable 746-1130
#3A

Mower diagram

Lawn mower control cable

Part #746-1130

Replaced by #946-1130

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Manufacturer substitution
This part replaces 746-1130. Substitute parts can look different from the original.
This item is not returnable
$14.49 | 
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Torsion Spring 732-1014
#34

Mower diagram

Torsion spring

Part #732-1014

Replaced by #732-1014C

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This part replaces 732-1014. Substitute parts can look different from the original.
$9.11 | 
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Lawn Mower Mulching Blade 742-0742A
#24

Mower diagram

Lawn mower mulching blade

Part #742-0742A

Replaced by #942-0742A

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Manufacturer substitution
This part replaces 742-0742A. Substitute parts can look different from the original.

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$23.20 | 
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Control Cable 746-0957
#3

Mower diagram

Control cable

Part #746-0957

Replaced by #946-0957

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Manufacturer substitution
This part replaces 746-0957. Substitute parts can look different from the original.
This item is not returnable
$20.07 | 
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Yard Machines Lawn Tractor Bolt (replaces 01000668, 1982728, 1983620, 43001, 715326, 910-0253, 9711, B1100046, Gw-325284, Gw-750a, Gw-90012, Gw-9711, Gw-98068, Gw-98-068, Gw-b1100046, Gw-b70235, Gw-m6520008, Gw-pt/01395/00, Gw-pt/80153/00, Gw-t70235, Wd- 710-0514
#38

Mower diagram

Yard machines lawn tractor bolt (replaces 01000668, 1982728, 1983620, 43001, 715326, 910-0253, 9711, b1100046, gw-325284, gw-750a, gw-90012, gw-9711, gw-98068, gw-98-068, gw-b1100046, gw-b70235, gw-m6520008, gw-pt/01395/00, gw-pt/80153/00, gw-t70235, wd-

Part #710-0514

This item is not returnable
$5.33 | 
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In Stock
Yard Machines Lawn & Garden Equipment Wing Nut (replaces 01002925, 920-0279) 720-0279
#5

Mower diagram

Yard machines lawn & garden equipment wing nut (replaces 01002925, 920-0279)

Part #720-0279

This item is not returnable
$6.87 | 
13% OFF Phone Price : $7.87
In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

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Repair difficulty
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 60 minutes or less
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How to replace a lawn mower recoil starter on an OHV engine

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 15 minutes or less
How to replace a lawn mower wheel

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Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

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 15 minutes or less

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