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Weed Eater
Front-Engine Lawn Tractor

Model # SGT18H46C Official Weed Eater tractor

Here are the diagrams and repair parts for Official Weed Eater SGT18H46C tractor, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 388 parts  |
Lawn Tractor V-belt 144959
#47

Mower deck diagram

Lawn tractor v-belt

Part #144959

Replaced by #532144959

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Manufacturer substitution
This part replaces 144959. Substitute parts can look different from the original.
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Lawn Tractor Axle Cap 104757X428
#11

Wheels & tires diagram

Lawn tractor axle cap

Part #104757X428

Replaced by #532104757

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Manufacturer substitution
This part replaces 104757X428. Substitute parts can look different from the original.
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Washer Head Thread Rolling Screw 157722
#30

Mower deck diagram

Washer head thread rolling screw

Part #157722

Replaced by #584953901

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Manufacturer substitution
This part replaces 157722. Substitute parts can look different from the original.
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Solenoid With Brass Plunger 178861
#43

Electrical diagram

Solenoid with brass plunger

Part #178861

Replaced by #532146154

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Manufacturer substitution
This part replaces 178861. Substitute parts can look different from the original.
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Lawn Tractor Deflector Shield Hinge Rod 131491
#29

Mower deck diagram

Lawn tractor deflector shield hinge rod

Part #131491

Replaced by #595297001

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Manufacturer substitution
This part replaces 131491. Substitute parts can look different from the original.
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Tower Lawn Tractor Ignition Switch (replaces 163968, 189687, 5321755-66, 5321896-87, 539107541) 175566
#30

Electrical diagram

Tower lawn tractor ignition switch (replaces 163968, 189687, 5321755-66, 5321896-87, 539107541)

Part #175566

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Washer 19121414
#119

Mower deck diagram

Washer

Part #19121414

Replaced by #596134901

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This part replaces 19121414. Substitute parts can look different from the original.
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Washer, 13/32 X 1-1/4 X 12 19132012
#72

Drive diagram

Washer, 13/32 x 1-1/4 x 12

Part #19132012

Replaced by #596134901

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Manufacturer substitution
This part replaces 19132012. Substitute parts can look different from the original.
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Lawn Tractor Bearing 3366R
#9

Steering diagram

Lawn tractor bearing

Part #3366R

Replaced by #532003366

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This part replaces 3366R. Substitute parts can look different from the original.
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Zinc Retainer Spring 163552
#20

Mower lift diagram

Zinc retainer spring

Part #163552

Replaced by #532003146

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Manufacturer substitution
This part replaces 163552. Substitute parts can look different from the original.
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Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

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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 does my riding mower creep in neutral?

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

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How to replace a mandrel assembly on a riding lawn mower

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

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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…

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

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

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Repair difficulty
Time required
 30 minutes or less

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

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

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