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Troybilt
Rear-Engine Riding Mower

Model # RZT50 Official Troybilt tractor

Here are the diagrams and repair parts for Official Troybilt RZT50 tractor, 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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ALL PARTS
Showing 10 of 610 parts  |
Fuel Filter BS-691035
Fuel filter

Part #BS-691035

Replaced by #84001895

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Manufacturer substitution
This part replaces BS-691035. Substitute parts can look different from the original.
BEST SELLER
$9.59 | 
9% OFF Phone Price : $10.59
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Oil Filter BS-492932
Oil filter

Part #BS-492932

Replaced by #492932S

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Manufacturer substitution
This part replaces BS-492932. Substitute parts can look different from the original.
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$15.30 | 
12% OFF Phone Price : $17.30
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Yard Machines Lawn & Garden Equipment Lock Nut, 5/16-18 (replaces 753-05591) 712-04063
Yard machines lawn & garden equipment lock nut, 5/16-18 (replaces 753-05591)

Part #712-04063

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This item is not returnable
$4.40 | 
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Gasket 721-0208
#17

Clutch/fuel tank - model rzt42 diagram

Gasket

Part #721-0208

Replaced by #692236

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Manufacturer substitution
This part replaces 721-0208. Substitute parts can look different from the original.
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$6.56 | 
13% OFF Phone Price : $7.56
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Ignition Key 925-1745
Ignition key

Part #925-1745

Replaced by #925-1745A

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Manufacturer substitution
This part replaces 925-1745. Substitute parts can look different from the original.
BEST SELLER
$19.56 | 
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Ace Lawn & Garden Equipment Self-tapping Bolt, 5/16-18 X 3/4-in (replaces 1724491, 1740496, 1909304, 910-1260a, Gw-7101260) 710-1260A
Ace lawn & garden equipment self-tapping bolt, 5/16-18 x 3/4-in (replaces 1724491, 1740496, 1909304, 910-1260a, gw-7101260)

Part #710-1260A

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Yard Machines Lawn & Garden Equipment Nut 712-04064
Yard machines lawn & garden equipment nut

Part #712-04064

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$4.49 | 
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Lawn Tractor Gauge Wheel 734-04155
Lawn tractor gauge wheel

Part #734-04155

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Yard Machines Lawn Tractor Flange Nut (replaces 00012173, Wd-129-103) 712-04065
Yard machines lawn tractor flange nut (replaces 00012173, wd-129-103)

Part #712-04065

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Pulley, Idler, 4.25" Dia. 756-04129
Pulley, idler, 4.25" dia.

Part #756-04129

Replaced by #753-08171

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Manufacturer substitution
This part replaces 756-04129. Substitute parts can look different from the original.
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$33.29 | 
15% OFF Phone Price : $39.29
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Most common symptoms to help you fix your riding mowers & tractors

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

View all

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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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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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 cut grass?

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

Read more

How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

Read more

Why does my riding mower deck vibrate?

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

Read more

Why does my riding mower creep in neutral?

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

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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, …

Read more

Most common repair guides to help fix your riding mowers & tractors

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How to replace the starter motor on a riding lawn mower

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How to rebuild a riding lawn mower carburetor

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Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

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Top questions about Sears and Sears PartsDirect

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

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Riding mower and tractor common questions

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