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MTD
Riding Mowers & Tractors

Model # 131QA1ZT099 Official MTD tractor

Here are the diagrams and repair parts for Official MTD 131QA1ZT099 tractor, as well as links to manuals and error code tables, if available.

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Owner’s manual
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Model diagram and schematic

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Showing 10 of 420 parts  |
Craftsman Lawn Tractor 46-in Deck Premium 2-in-1 Blade (replaces 742-04244a, 942-04244) 942-04244A
#23

Deck/spindle diagram

Craftsman lawn tractor 46-in deck premium 2-in-1 blade (replaces 742-04244a, 942-04244)

Part #942-04244A

Replaced by #942-04290A

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Manufacturer substitution
This part replaces 942-04244A. Substitute parts can look different from the original.
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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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Lawn Tractor Ground Drive Belt, 1/2 X 89-3/4-in 954-05027A
#21

Transmission diagram

Lawn tractor ground drive belt, 1/2 x 89-3/4-in

Part #954-05027A

Replaced by #954-05027B

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Manufacturer substitution
This part replaces 954-05027A. Substitute parts can look different from the original.
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$56.19 | 
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Lawn & Garden Equipment Hex Flange Nut (replaces 753-05549, 912-0417a) 712-0417A
#10

Deck/spindle diagram

Lawn & garden equipment hex flange nut (replaces 753-05549, 912-0417a)

Part #712-0417A

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$8.00 | 
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Cable 946-05098B
#13

Battery/dash harness diagram

Cable

Part #946-05098B

Replaced by #946-05098C

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Manufacturer substitution
This part replaces 946-05098B. Substitute parts can look different from the original.
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$60.32 | 
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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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Mtd Lawn Tractor Mandrel And Pulley Assembly (replaces 918-06977) 918-06977A
#1

Deck/spindle diagram

Mtd lawn tractor mandrel and pulley assembly (replaces 918-06977)

Part #918-06977A

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Lawn Tractor Wheel Cap (replaces 731-0484a) 931-0484A
Lawn tractor wheel cap (replaces 731-0484a)

Part #931-0484A

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Lawn Tractor Deflector Shield 631-04354B
#15

Deck/spindle diagram

Lawn tractor deflector shield

Part #631-04354B

Replaced by #631-04354C

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Manufacturer substitution
This part replaces 631-04354B. Substitute parts can look different from the original.
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$44.49 | 
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Lawn Tractor Starter Solenoid 725-06153
#14

Battery/dash harness diagram

Lawn tractor starter solenoid

Part #725-06153

Replaced by #725-06153A

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Manufacturer substitution
This part replaces 725-06153. Substitute parts can look different from the original.
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$42.97 | 
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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 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 is my riding mower leaking oil or gas?

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

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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 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

Why does my riding mower deck vibrate?

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

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Main causes: faulty battery, bad alternator…

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