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Husqvarna
Riding Mowers & Tractors

Model # 91750662 Official Husqvarna zero-turn riding lawn mower

Here are the diagrams and repair parts for Official Husqvarna 91750662 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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Showing 10 of 279 parts  |
Lawn Tractor Self-tapping Bolt (replaces 173984) 584953901
#39

Mower deck/cutting deck diagram

Lawn tractor self-tapping bolt (replaces 173984)

Part #584953901

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Lawn Tractor Starter Solenoid 532192507
#19

Ignition system diagram

Lawn tractor starter solenoid

Part #532192507

Replaced by #582042802

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Manufacturer substitution
This part replaces 532192507. Substitute parts can look different from the original.
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Lawn Tractor Pto Switch 532174652
#8

Ignition system diagram

Lawn tractor pto switch

Part #532174652

Replaced by #582107601

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This part replaces 532174652. Substitute parts can look different from the original.
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Lawn Tractor Flange Nut, 9/16-in 532400234
#43

Mower deck/cutting deck diagram

Lawn tractor flange nut, 9/16-in

Part #532400234

Replaced by #596134801

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This part replaces 532400234. Substitute parts can look different from the original.
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Lawn & Garden Equipment Washer 819121414
Lawn & garden equipment washer

Part #819121414

Replaced by #596134901

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Lawn Tractor Hex Lock Nut 873800500
Lawn tractor hex lock nut

Part #873800500

Replaced by #596040501

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This part replaces 873800500. Substitute parts can look different from the original.
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Lawn Tractor Ground Drive Belt, 1/2 X 56-5/16-in (replaces 5391104-11) 539110411
#5

Hydraulic pump-motor diagram

Lawn tractor ground drive belt, 1/2 x 56-5/16-in (replaces 5391104-11)

Part #539110411

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Craftsman Lawn & Garden Equipment Bolt (replaces 17000510) 817000510
Craftsman lawn & garden equipment bolt (replaces 17000510)

Part #817000510

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Lawn Tractor Electric Clutch 587241601
#2

Engine mounting, guards & muffler diagram

Lawn tractor electric clutch

Part #587241601

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Stud Fastener 532195161
#13

Brake/lift diagram

Stud fastener

Part #532195161

Replaced by #593824001

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This part replaces 532195161. Substitute parts can look different from the original.
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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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Main causes: shift lever needs adjustment, neutral control needs adjustment…

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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 my riding mower not cutting evenly?

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

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