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MTD
Front-Engine Lawn Tractor

Model # 13A278XS099 Official MTD tractor

Here are the diagrams and repair parts for Official MTD 13A278XS099 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 480 parts  |
Troybilt Lawn Tractor Blade Engagement Cable (replaces 946-05124) 946-05124A
#22

Frame/battery diagram

Troybilt lawn tractor blade engagement cable (replaces 946-05124)

Part #946-05124A

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Lawn Tractor Ground Drive Belt, 2/3 X 90-4/5-in (replaces 754-0467a, 954-0467) 954-0467A
#61

Transmission diagram

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

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Manufacturer substitution
This part replaces 954-0467A. 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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$4.53 | 
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Lawn Tractor Ignition Key 625-04124
#33

Fuel tank/upper dash panel diagram

Lawn tractor ignition key

Part #625-04124

Replaced by #925-1745A

?
Manufacturer substitution
This part replaces 625-04124. Substitute parts can look different from the original.
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$19.56 | 
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Lawn Tractor Bearing (replaces 741-04124) 941-04124
#16

Steering diagram

Lawn tractor bearing (replaces 741-04124)

Part #941-04124

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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
#54

Deck/spindle 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 Steering Shaft 938-05078
#15

Steering diagram

Lawn tractor steering shaft

Part #938-05078

Replaced by #738P07154

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Manufacturer substitution
This part replaces 938-05078. 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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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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