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Ariens
Rear-Engine Riding Mower

Model # 99105600 (101-999999) Official Ariens zero-turn riding lawn mower

Here are the diagrams and repair parts for Official Ariens 99105600-101-999999 zero-turn 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 337 parts  |
Seat Assembly 71442
Seat assembly

Part #71442

Replaced by #401042

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Manufacturer substitution
This part replaces 71442. Substitute parts can look different from the original.
BEST SELLER
$183.49 | 
5% OFF Phone Price : $193.49
In Stock
Lawn Tractor Transaxle Oil Filter (replaces Hg-52114, Hg-52114p) 52114
Lawn tractor transaxle oil filter (replaces hg-52114, hg-52114p)

Part #52114

This item is not returnable
$23.79 | 
17% OFF Phone Price : $28.79
In Stock
Bolt 51630
Bolt

Part #51630

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

Bushing-1. 05500034
#18

Mechanical lift diagram

Bushing-1.

Part #05500034

$15.37
In Stock
Idler Assembly 03796300
#31

Belts/spindles/idlers/blades diagram

Idler assembly

Part #03796300

$31.15
In Stock
Main Housing Kit 71413
#1

Hydrostatic pump-right hand diagram

Main housing kit

Part #71413

$215.31
In Stock
Hydro Assembly 03251900
#16

Transmission diagram

Hydro assembly

Part #03251900

$30.62
In Stock
Tap Screw 07414100
#15

Brakes/linkage diagram

Tap screw

Part #07414100

This item is not returnable
$2.16
In Stock
Lawn Tractor Bolt 05948700
Lawn tractor bolt

Part #05948700

This item is not returnable
$3.22
In Stock
Snap Ring 05707300
#17

Mechanical lift diagram

Snap ring

Part #05707300

This item is not returnable
$6.46
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.

View all

Why won't my riding mower start?

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

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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 deck vibrate?

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

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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 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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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 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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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 the seat on a riding lawn mower

How to replace the seat on a riding lawn mower

A broken seat can keep the mower from running.…

Read more
Repair difficulty
Time required
 15 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.…

Read more
Repair difficulty
Time required
 15 minutes or less
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

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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