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MTD
Front-Engine Lawn Tractor

Model # 13BL78XT299 Official MTD tractor

Here are the diagrams and repair parts for Official MTD 13BL78XT299 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 546 parts  |
Lawn Tractor Blade Drive Belt, 1/2 X 103-1/16-in 954-04219
#51

Mower deck/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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$33.81 | 
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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, 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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$45.99 | 
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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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Lawn & Garden Equipment Hex Flange Nut (replaces 753-05549, 912-0417a) 712-0417A
#20

Mower deck/spindle pulley diagram

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

Part #712-0417A

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Lawn Tractor Bearing (replaces 741-04124) 941-04124
#16

Steering/wheels 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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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 Sector Gear 617-04094
#1

Steering/wheels diagram

Lawn tractor steering sector gear

Part #617-04094

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Lawn Tractor Steering Shaft 938-05078
#15

Steering/wheels diagram

Lawn tractor steering shaft

Part #938-05078

Replaced by #738P07154

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This part replaces 938-05078. Substitute parts can look different from the original.
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