Front-Engine Lawn Tractor

Model # 13AL78XT093 (2021) Official MTD t140 lawn tractor

Here are the diagrams and repair parts for Official MTD 13AL78XT093 (2021) t140 lawn tractor, as well as links to manuals and error code tables, if available.

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13AL78XT093 (2021) Riding Mowers & Tractors
Filter-air C BS-793569
#NI

Quick reference/battery/controls diagram

Filter-air c

Part #BS-793569

Replaced by #793569

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Manufacturer substitution
This part replaces BS-793569. Substitute parts can look different from the original.
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$27.22
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Oil Filter BS-492932S
#NI

Quick reference/battery/controls diagram

Oil filter

Part #BS-492932S

Replaced by #492932S

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Manufacturer substitution
This part replaces BS-492932S. Substitute parts can look different from the original.
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$14.80
12% OFF Phone Price : $16.80
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Fuel Filter BS-394358S
#NI

Quick reference/battery/controls diagram

Fuel filter

Part #BS-394358S

Replaced by #394358S

?
Manufacturer substitution
This part replaces BS-394358S. Substitute parts can look different from the original.
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This item is not returnable
$6.46
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Mtd Lawn Tractor Blade Drive Belt 1/2 X 103-1/4-in (replaces 954-04219) 490-501-M009
Mtd lawn tractor blade drive belt 1/2 x 103-1/4-in (replaces 954-04219)

Part #490-501-M009

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$33.81
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Lawn Tractor Blade Drive Belt, 1/2 X 103-1/16-in 954-04219
Lawn tractor blade drive belt, 1/2 x 103-1/16-in

Part #954-04219

Replaced by #490-501-M009

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Manufacturer substitution
This part replaces 954-04219. Substitute parts can look different from the original.
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$33.81
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Troybilt Lawn Tractor Blade Engagement Cable (replaces 946-05124) 946-05124A
Troybilt lawn tractor blade engagement cable (replaces 946-05124)

Part #946-05124A

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$37.31
14% OFF Phone Price : $43.31
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Mtd Lawn Tractor 46-in Deck 2-in-1 Blade (replaces 942-04290) 942-04290A
Mtd lawn tractor 46-in deck 2-in-1 blade (replaces 942-04290)

Part #942-04290A

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$22.79
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Lawn & Garden Equipment Cotter Pin, 1/4- To 5/16-in 714-04040
Lawn & garden equipment cotter pin, 1/4- to 5/16-in

Part #714-04040

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$2.82
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Lawn Tractor Ground Drive Belt 490-501-M035
Lawn tractor ground drive belt

Part #490-501-M035

Replaced by #490-501-Y035

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Manufacturer substitution
This part replaces 490-501-M035. Substitute parts can look different from the original.
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$41.75
13% OFF Phone Price : $47.75
In Stock
Lawn Tractor Ground Drive Belt, 2/3 X 90-4/5-in (replaces 754-0467a, 954-0467) 954-0467A
Lawn tractor ground drive belt, 2/3 x 90-4/5-in (replaces 754-0467a, 954-0467)

Part #954-0467A

Replaced by #490-501-Y035

?
Manufacturer substitution
This part replaces 954-0467A. Substitute parts can look different from the original.
BEST SELLER
$41.75
13% OFF Phone Price : $47.75
In Stock

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

Main causes: faulty battery, bad alternator…

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

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

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

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

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

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.…