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Swisher
Rear-Engine Riding Mower

Model # ZT250 Official Swisher 50" z-series tractor

Here are the diagrams and repair parts for Official Swisher ZT250 50" z-series 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.

Model diagram and schematic

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ALL PARTS
Showing 10 of 229 parts  |
12 Volt Lawn And Garden Battery (not Shown) U1L

#NI07

All parts diagram

12 volt lawn and garden battery (not shown)

Part #U1L

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

Black Washer NB116
Black washer

Part #NB116

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

Lawn & Garden Equipment Bolt NB619
#14

Deck lift/height adj. indicator diagram

Lawn & garden equipment bolt

Part #NB619

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

Torsion Spring 9100
#20

Mowing deck/deck idler diagram

Torsion spring

Part #9100

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

Motor Pulley 3753
#4

Engine/fuel supply diagram

Motor pulley

Part #3753

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

Beverage - R 3643TK
#1

Frame diagram

Beverage - r

Part #3643TK

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

5/8-11 2 Way NB595
#24

Frame diagram

5/8-11 2 way

Part #NB595

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

3/8-16 X 2 H NB198
#31

Mowing deck/deck idler diagram

3/8-16 x 2 h

Part #NB198

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

Bracket - Se 3833TK
#4

Seat base/control cover diagram

Bracket - se

Part #3833TK

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

Solenoid 9043

#NI01

All parts diagram

Solenoid

Part #9043

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

Most common symptoms to help you fix your riding mowers & tractors

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

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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 charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

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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 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 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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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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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 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
How to replace a riding lawn mower blade

How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.…

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Repair difficulty
Time required
 30 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.…

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Repair difficulty
Time required
 15 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 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.…

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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.…

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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

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

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