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MTD
Gas Snowblower

Model # 31AS68EE791 Official MTD gas snowthrower

Here are the diagrams and repair parts for Official MTD 31AS68EE791 gas snowthrower, 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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ALL PARTS
Showing 10 of 346 parts  |
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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Troybilt Snowblower Shear Pin (replaces 738-04124) 738-04124A
Troybilt snowblower shear pin (replaces 738-04124)

Part #738-04124A

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Snowblower Shear Pin Kit, 1/4 X 1-1/2-in OEM-738-04124
Snowblower shear pin kit, 1/4 x 1-1/2-in

Part #OEM-738-04124

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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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$4.40 | 
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Shave Plate 790-00120
#9

Auger housing diagram

Shave plate

Part #790-00120

Replaced by #790-00120-0637

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Manufacturer substitution
This part replaces 790-00120. Substitute parts can look different from the original.
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$37.74 | 
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Snowblower Auger Drive Belt, 1/2 X 35-1/4-in 954-04050A
#19

Engine drive diagram

Snowblower auger drive belt, 1/2 x 35-1/4-in

Part #954-04050A

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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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Toro Lawn & Garden Equipment Carriage Bolt (replaces 753-08024, 910-0451) 710-0451
Toro lawn & garden equipment carriage bolt (replaces 753-08024, 910-0451)

Part #710-0451

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Lawn & Garden Equipment Belt 954-04260
#20

Engine drive diagram

Lawn & garden equipment belt

Part #954-04260

Replaced by #490-501-Y005

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This part replaces 954-04260. Substitute parts can look different from the original.
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Lawn Mower Ground Drive Belt 490-501-M005
#20

Engine drive diagram

Lawn mower ground drive belt

Part #490-501-M005

Replaced by #490-501-Y005

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Manufacturer substitution
This part replaces 490-501-M005. Substitute parts can look different from the original.
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$28.50 | 
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Why won't my snowblower chute turn?

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

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Why doesn't my snowblower self propel?

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

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Why won't my snowblower throw snow far enough?

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How do I tune up my snowblower?

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