Toro
Rear-Engine Riding Mower

Model # 74630 (311000001 AND UP) Official Toro riding lawn mower

Here are the diagrams and repair parts for Official Toro 74630-311000001-AND-UP riding 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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ALL PARTS
Showing 10 of 304 parts  |

Stop Nut 3296-29
#9

Deck lift assembly diagram

Stop nut

Part #3296-29

The manufacturer no longer makes this part, and there's no substitute part

Lawn Tractor Transaxle Bypass Shaft 106-8678
Lawn tractor transaxle bypass shaft

Part #106-8678

In Stock
Frame Assembly 117-7403-01
#1

Frame/front axle/caster wheel diagram

Frame assembly

Part #117-7403-01

In Stock
Lawn Tractor Transaxle Cover 106-8696
#2

Lh hydro 119-3350 transaxle assy diagram

Lawn tractor transaxle cover

Part #106-8696

In Stock
Decal-routing Belt 99-3943
#5

50" deck decal assembly diagram

Decal-routing belt

Part #99-3943

In Stock
Bolt-pivot (2) 117-1198
#19

Motion control assembly diagram

Bolt-pivot (2)

Part #117-1198

This item is not returnable
In Stock
Eccentric (2) 115-9604
#24

Motion control assembly diagram

Eccentric (2)

Part #115-9604

This item is not returnable
In Stock
Lawn Tractor Interlock Switch 110-6765
#6

Battery & electrical assembly diagram

Lawn tractor interlock switch

Part #110-6765

In Stock
Washer-lock, Spring (4) 114-3550
#1:3

Engine & clutch assembly diagram

Washer-lock, spring (4)

Part #114-3550

This item is not returnable
In Stock
Spanner (2) 119-3475
#6

Frame/front axle/caster wheel diagram

Spanner (2)

Part #119-3475

In Stock

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

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

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

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

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

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

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

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

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

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

Main causes: faulty battery, bad alternator…

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.

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.…

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.…

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.…

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.

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…

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.…

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…