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MTD
Front-Engine Lawn Tractor

Model # 13AL79XT099 Official MTD tractor

Here are the diagrams and repair parts for Official MTD 13AL79XT099 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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Showing 10 of 310 parts  |
Lawn Tractor Blade Drive Belt, 1/2 X 103-1/16-in 954-04219
#51

Deck mower/spindle pulley diagram

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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Lawn Tractor 46-in Deck 2-in-1 Blade 942-04290
#45

Deck mower/spindle pulley diagram

Lawn tractor 46-in deck 2-in-1 blade

Part #942-04290

Replaced by #942-04290A

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Manufacturer substitution
This part replaces 942-04290. Substitute parts can look different from the original.
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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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Ace Lawn & Garden Equipment Self-tapping Bolt, 5/16-18 X 3/4-in (replaces 1724491, 1740496, 1909304, 910-1260a, Gw-7101260) 710-1260A
#12

Deck mower/spindle pulley diagram

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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Lawn Tractor Gauge Wheel 734-04155
#31

Deck mower/spindle pulley diagram

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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Lawn Tractor Deflector Shield 631-04354B
#60

Deck mower/spindle pulley diagram

Lawn tractor deflector shield

Part #631-04354B

Replaced by #631-04354C

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This part replaces 631-04354B. Substitute parts can look different from the original.
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Lawn Tractor Starter Solenoid 725-06153
#23

Frame/battery diagram

Lawn tractor starter solenoid

Part #725-06153

Replaced by #725-06153A

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This part replaces 725-06153. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Fuel Filter (replaces 1727491, 1731399, 1820062, 1824053, 1824104, 432625, Gw-1727491, Gw-b1727491, Wd-900-5514, Wd-c37554) 951-3013
#15

Engine/muffler & shield diagram

Lawn & garden equipment engine fuel filter (replaces 1727491, 1731399, 1820062, 1824053, 1824104, 432625, gw-1727491, gw-b1727491, wd-900-5514, wd-c37554)

Part #951-3013

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