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MTD
Front-Engine Lawn Tractor

Model # 13AL78XT091 Official MTD lawn tractor

Here are the diagrams and repair parts for Official MTD 13AL78XT091 lawn tractor, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Owner’s manual
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Model diagram and schematic

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Showing 10 of 192 parts  |
Oil Filter BS-492932S
#NI17

Tractor 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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$14.84 | 
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Fuel Filter BS-394358S
#NI15

Tractor 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
$6.47 | 
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Troybilt Lawn Tractor Blade Engagement Cable (replaces 946-05124) 946-05124A
#NI10

Tractor diagram

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

Part #946-05124A

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Lawn Tractor 46-in Deck 2-in-1 Blade 942-04290
#NI07

Tractor 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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$22.79 | 
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Lawn Tractor Transaxle Belt, 2/3 X 40-9/10-in 954-04208A
#NI05

Tractor diagram

Lawn tractor transaxle belt, 2/3 x 40-9/10-in

Part #954-04208A

Replaced by #490-501-Y007

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Manufacturer substitution
This part replaces 954-04208A. Substitute parts can look different from the original.
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$33.18 | 
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Lawn & Garden Equipment Hex Flange Nut (replaces 753-05549, 912-0417a) 712-0417A
#NI06

Tractor diagram

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

Part #712-0417A

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$8.00 | 
11% OFF Phone Price : $9.00
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Lawn Tractor Ignition Key 625-05002
#NI16

Tractor diagram

Lawn tractor ignition key

Part #625-05002

Replaced by #925-1745A

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Manufacturer substitution
This part replaces 625-05002. Substitute parts can look different from the original.
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Lawn Tractor 46-in Deck Mulching Blade (replaces 33188, 742-04268) 942-04268
#NI09

Tractor diagram

Lawn tractor 46-in deck mulching blade (replaces 33188, 742-04268)

Part #942-04268

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$30.00 | 
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Lawn Tractor Gauge Wheel 734-04155
#NI26

Tractor diagram

Lawn tractor gauge wheel

Part #734-04155

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Lawn Tractor Starter Solenoid (replaces 725-06153) 725-06153A
#NI18

Tractor diagram

Lawn tractor starter solenoid (replaces 725-06153)

Part #725-06153A

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