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Ariens
Rear-Engine Riding Mower

Model # 991074 Official Ariens lawn mower

Here are the diagrams and repair parts for Official Ariens 991074 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 308 parts  |
Craftsman Lawn Tractor Pto Switch 01545600
Craftsman lawn tractor pto switch

Part #01545600

$40.91
In Stock
Wave Washer 03704900
#19

Steering controls diagram

Wave washer

Part #03704900

This item is not returnable
$4.54
In Stock
Craftsman Hex Jam Nut 06535900
Craftsman hex jam nut

Part #06535900

This item is not returnable
$2.16
In Stock
Craftsman Tapping Screw 07412400
#5

Transmission diagram

Craftsman tapping screw

Part #07412400

This item is not returnable
$2.74
In Stock
Flat Washer 06437300
#11

Electrical system diagram

Flat washer

Part #06437300

This item is not returnable
$2.87
In Stock
Danger Decal 07756000
#1

Decals diagram

Danger decal

Part #07756000

$26.09
In Stock
Nut 06500003
#3

Mounting chains diagram

Nut

Part #06500003

This item is not returnable
$5.17
In Stock
Craftsman Lock Nut 06531300
#11

Transmission diagram

Craftsman lock nut

Part #06531300

This item is not returnable
$3.89
In Stock
Craftsman @blt-hex .31 05957400
#4

Steering controls diagram

Craftsman @blt-hex .31

Part #05957400

This item is not returnable
$2.16
In Stock
Lawn Tractor Lock Nut 06537200
#34

Mechanical lift diagram

Lawn tractor lock nut

Part #06537200

This item is not returnable
$2.84
In Stock

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

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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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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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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 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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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 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 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 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 move?

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

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

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How to replace the starter motor on a riding lawn mower

How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replac…

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Repair difficulty
Time required
 30 minutes or less
How to rebuild a riding lawn mower carburetor

How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes.…

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

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Riding lawn mower engine clicks but doesn't turn over video

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