Front-Engine Lawn Tractor

Model # 91799400 Official Craftsman 10-hp tractor

Here are the diagrams and repair parts for Official Craftsman 91799400 10-hp tractor, as well as links to manuals and error code tables, if available.

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Browse Parts for
91799400 Riding Mowers & Tractors
Hardened Race Thrust Bearing 6266H
Hardened race thrust bearing

Part #6266H

Replaced by #532006266

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Manufacturer substitution
This part replaces 6266H. Substitute parts can look different from the original.
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$9.43
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E-ring 98000071
#61

Main frame diagram

E-ring

Part #98000071

Replaced by #812000029

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Manufacturer substitution
This part replaces 98000071. Substitute parts can look different from the original.
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This item is not returnable
$4.51
18% OFF Phone Price : $5.51
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Thrust Bearing 1370H
Thrust bearing

Part #1370H

Replaced by #532001370

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Manufacturer substitution
This part replaces 1370H. Substitute parts can look different from the original.
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$7.20
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Flange Bearing 5920H
#49

Main frame diagram

Flange bearing

Part #5920H

Replaced by #532009040

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Manufacturer substitution
This part replaces 5920H. Substitute parts can look different from the original.
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$9.31
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Hub Bolt 1304H
#57

Steering assembly diagram

Hub bolt

Part #1304H

Replaced by #596218701

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Manufacturer substitution
This part replaces 1304H. Substitute parts can look different from the original.
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$4.31
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Needle Brg 4895H
Needle brg

Part #4895H

Replaced by #532004895

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Manufacturer substitution
This part replaces 4895H. Substitute parts can look different from the original.
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$14.42
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Ball 7392M
Ball

Part #7392M

Replaced by #532100482

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Manufacturer substitution
This part replaces 7392M. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$7.20
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Washer 19262014
#59

Main frame diagram

Washer

Part #19262014

Replaced by #819272016

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Manufacturer substitution
This part replaces 19262014. Substitute parts can look different from the original.
This item is not returnable
$5.76
15% OFF Phone Price : $6.76
In Stock
Flat Idler 6635H
Flat idler

Part #6635H

Replaced by #583772001

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Manufacturer substitution
This part replaces 6635H. Substitute parts can look different from the original.
This item is not returnable
$37.90
14% OFF Phone Price : $43.90
In Stock
Needle Bearing 6268H
Needle bearing

Part #6268H

Replaced by #532003039

?
Manufacturer substitution
This part replaces 6268H. Substitute parts can look different from the original.
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: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: faulty battery, bad alternator…

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

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

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

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

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: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

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 mandrel assembly on a riding lawn mower

How to replace a mandrel assembly on a riding lawn mower

Replace the mandrel assembly if the blade shaft vibrates or doesn't spin.…

Repair difficulty
Time required
 30 minutes or less
How to replace the flywheel key on a riding lawn mower

How to replace the flywheel key on a riding lawn mower

If the engine won't restart after hitting a stump or rock, the problem could be a sheared flywheel key. Follow these ste…

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

How to replace a riding lawn mower ignition coil

If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…

Repair difficulty
Time required
 30 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 enjoy all the online benefits we offer on our Sears PartsDirect website

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.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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

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

Check the starter solenoid, starter motor, wiring, battery and engine.…