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Toro
Rear-Engine Riding Mower

Model # 74624 (311000001 AND UP) Official Toro riding lawn mower

Here are the diagrams and repair parts for Official Toro 74624-311000001-AND-UP riding 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 318 parts  |
Washer 114-0463
#8

42" deck belt/spindle/blade diagram

Washer

Part #114-0463

$9.06
In Stock
Retainer Ring 106-8679
Retainer ring

Part #106-8679

$16.57
In Stock
Spacer-arm, Idler 119-3327
#15

Hydro transaxle drive/rear wheel diagram

Spacer-arm, idler

Part #119-3327

This item is not returnable
$3.51
In Stock
Spring-compression (4) 117-1169
#37

Motion control assembly diagram

Spring-compression (4)

Part #117-1169

This item is not returnable
$4.17
In Stock
Lawn Tractor Mandrel Cover 108-7889
#13

42" deck assembly diagram

Lawn tractor mandrel cover

Part #108-7889

Get free shipping with Automatic Reorder

$46.42
In Stock
Hose-fuel, Molded 120-2272
#4

Fuel delivery assembly diagram

Hose-fuel, molded

Part #120-2272

$7.94
In Stock
Mount, Hydro, Rear (rh) 117-7459-01
#26

Frame/front axle/caster wheel diagram

Mount, hydro, rear (rh)

Part #117-7459-01

$24.07
In Stock
Throttle Washer 117-7394
#10

Frame/front axle/caster wheel diagram

Throttle washer

Part #117-7394

This item is not returnable
$4.63
In Stock
Cap Screw 323-7
#10

42" deck belt/spindle/blade diagram

Cap screw

Part #323-7

This item is not returnable
$5.57
In Stock
Lawn Tractor Seat Switch 100-3524
#7

Battery & electrical assembly diagram

Lawn tractor seat switch

Part #100-3524

$86.00
In Stock

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Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

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How do I fix a flat tire on my riding mower?

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

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Why does my riding mower run rough or misfire?

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

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Why won't my riding mower move?

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

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Why is the steering loose on my riding mower?

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

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Why is my riding mower leaking oil or gas?

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

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Why does my riding mower creep in neutral?

Main causes: shift lever needs adjustment, neutral control needs adjustment…

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Why won't my riding mower cut grass?

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

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Why does my riding mower deck vibrate?

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

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How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

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Most common repair guides to help fix your riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

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How to replace a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower blade

How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.…

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Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower fuel filter

How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

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How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

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Charging a battery in a riding lawn mower video

Charging a battery in a riding lawn mower video

Learn how to use a battery charger if your mower battery is dead.…

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Riding mower and tractor common questions

Riding mower and tractor common questions

You might find the answers to your questions about your riding mower or lawn tractor in this list of frequently asked qu…

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