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Troybilt
Front-Engine Lawn Tractor

Model # 13AO77TG766 Official Troybilt tractor

Here are the diagrams and repair parts for Official Troybilt 13AO77TG766 tractor, as well as links to manuals and error code tables, if available.

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

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 289 parts  |
Cable 746-04173A
#14

Frame assembly - models 760-779 diagram

Cable

Part #746-04173A

Replaced by #946-04173E

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Manufacturer substitution
This part replaces 746-04173A. 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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Lawn & Garden Equipment Hex Flange Nut (replaces 753-05549, 912-0417a) 712-0417A
#16

42" deck diagram

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

Part #712-0417A

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Yard Machines Lawn & Garden Equipment Nut 712-04064
#23

Frame assembly - models 760-779 diagram

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 Mower Belt 754-0241A
#31

Transmission assembly-model 77t diagram

Lawn mower belt

Part #754-0241A

Replaced by #490-501-Y087

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Manufacturer substitution
This part replaces 754-0241A. Substitute parts can look different from the original.
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Lawn Mower Dust Cover 731-0484A
#9

Gear assembly diagram

Lawn mower dust cover

Part #731-0484A

Replaced by #931-0484A

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Manufacturer substitution
This part replaces 731-0484A. Substitute parts can look different from the original.
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Yard-man Lawn & Garden Equipment Hex Patch Bolt (replaces 910-1309) 710-1309
#4

Gear assembly diagram

Yard-man lawn & garden equipment hex patch bolt (replaces 910-1309)

Part #710-1309

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Joint Assembly 723-0448A
#10

Gear assembly diagram

Joint assembly

Part #723-0448A

Replaced by #923-0448A

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Manufacturer substitution
This part replaces 723-0448A. Substitute parts can look different from the original.
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Spacer 738-04162A
#37

42" deck diagram

Spacer

Part #738-04162A

Replaced by #738-04162C

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Manufacturer substitution
This part replaces 738-04162A. Substitute parts can look different from the original.
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