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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Model diagram and schematic

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Showing 10 of 229 parts  |

Bearing - Ba T151
#15

Deck lift/height adj. indicator diagram

Bearing - ba

Part #T151

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

Swisher Flag OD39
#4

Decals diagram

Swisher flag

Part #OD39

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

Torsion - Re 3684TK
#9

Deck lift/height adj. indicator diagram

Torsion - re

Part #3684TK

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

5/8 Id X 1 O NB178
#20

Frame diagram

5/8 id x 1 o

Part #NB178

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

Lawn Tractor Idler Arm Return Spring T2SM
#9

Parking brake diagram

Lawn tractor idler arm return spring

Part #T2SM

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

Plate - Pivo 3699TK
#8

Steering diagram

Plate - pivo

Part #3699TK

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

Z 23.0/50" Decal-front (not Shown) 11843
#15

Decals diagram

Z 23.0/50" decal-front (not shown)

Part #11843

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

Lawn Tractor Washer NB195
#18

Frame diagram

Lawn tractor washer

Part #NB195

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

Lawn Tractor Bolt NB250
Lawn tractor bolt

Part #NB250

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

Crank - Heig 3266TK
#16

Deck lift/height adj. indicator diagram

Crank - heig

Part #3266TK

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.

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

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

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

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

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

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

Main causes: faulty battery, bad alternator…

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.…