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MTD
Gas Walk-Behind Mower

Model # TMO-374-0006 Official MTD lawn mower

Here are the diagrams and repair parts for Official MTD TMO-374-0006 lawn mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 133 parts  |
Lawn Tractor Screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599) 710-0599
#67

Rotary lawn mower diagram

Lawn tractor screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599)

Part #710-0599

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This item is not returnable
$4.91 | 
17% OFF Phone Price : $5.91
In Stock
Belt Wheel 754-0346
#112

Rotary lawn mower diagram

Belt wheel

Part #754-0346

Replaced by #954-0346

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Manufacturer substitution
This part replaces 754-0346. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$29.80 | 
17% OFF Phone Price : $35.80
In Stock
Lawn & Garden Equipment Hex Cap Screw 710-0751
#99

Rotary lawn mower diagram

Lawn & garden equipment hex cap screw

Part #710-0751

This item is not returnable
$5.12 | 
16% OFF Phone Price : $6.12
In Stock
Cable Tie 726-0240
#18

Rotary lawn mower diagram

Cable tie

Part #726-0240

Replaced by #726-0178

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Manufacturer substitution
This part replaces 726-0240. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Yard Machines Lawn & Garden Equipment Cupped Washer 736-0270
#24

Rotary lawn mower diagram

Yard machines lawn & garden equipment cupped washer

Part #736-0270

This item is not returnable
$5.10 | 
16% OFF Phone Price : $6.10
In Stock
Aircap Lawn & Garden Equipment Hex Screw 710-0896
#65

Rotary lawn mower diagram

Aircap lawn & garden equipment hex screw

Part #710-0896

This item is not returnable
$5.22 | 
16% OFF Phone Price : $6.22
In Stock
Spacer 750-0566
#52

Rotary lawn mower diagram

Spacer

Part #750-0566

Replaced by #750-0566A

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Manufacturer substitution
This part replaces 750-0566. Substitute parts can look different from the original.
This item is not returnable
$12.91 | 
13% OFF Phone Price : $14.91
In Stock
Kill Cable 746-0843
#6

Rotary lawn mower diagram

Kill cable

Part #746-0843

Replaced by #946-0671A

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Manufacturer substitution
This part replaces 746-0843. Substitute parts can look different from the original.
$18.37 | 
10% OFF Phone Price : $20.37
In Stock
Craftsman Washer 736-0498
#108

Rotary lawn mower diagram

Craftsman washer

Part #736-0498

This item is not returnable
$7.31
In Stock
Sears Lawn & Garden Equipment Nut 712-0711
#58

Rotary lawn mower diagram

Sears lawn & garden equipment nut

Part #712-0711

This item is not returnable
$6.17
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 run rough?

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

Read more

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 vibrate a lot?

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

Read more

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…

Read more

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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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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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.

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How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

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…

Read more
Repair difficulty
Time required
 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.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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