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Craftsman
Front-Engine Lawn Tractor

Model # 917279980 Official Craftsman lawn tractor

Here are the diagrams and repair parts for Official Craftsman 917279980 lawn 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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Model diagram and schematic

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ALL PARTS
Showing 10 of 392 parts  |
Lawn Tractor V-belt 144959
#55

Mower deck diagram

Lawn tractor v-belt

Part #144959

Replaced by #532144959

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Manufacturer substitution
This part replaces 144959. Substitute parts can look different from the original.
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Lock Nut 73900600
#117

Ground drive diagram

Lock nut

Part #73900600

Replaced by #532409149

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This part replaces 73900600. Substitute parts can look different from the original.
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Hex Flange Lock Nut 145212
#70

Lift assembly diagram

Hex flange lock nut

Part #145212

Replaced by #532409149

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This part replaces 145212. Substitute parts can look different from the original.
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Lawn Tractor Idler Pulley 173438
#39

Mower deck diagram

Lawn tractor idler pulley

Part #173438

Replaced by #532173438

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Manufacturer substitution
This part replaces 173438. Substitute parts can look different from the original.
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Switch.pto.8 174653
#50

Electrical diagram

Switch.pto.8

Part #174653

Replaced by #582107601

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This part replaces 174653. Substitute parts can look different from the original.
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Shoulder Bolt 137644
#59

Mower deck diagram

Shoulder bolt

Part #137644

Replaced by #596434404

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Manufacturer substitution
This part replaces 137644. Substitute parts can look different from the original.
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Tower Lawn Tractor Ignition Switch (replaces 163968, 189687, 5321755-66, 5321896-87, 539107541) 175566
#30

Electrical diagram

Tower lawn tractor ignition switch (replaces 163968, 189687, 5321755-66, 5321896-87, 539107541)

Part #175566

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Lawn Tractor Ground Drive Belt, 1/2 X 84-1/2-in 140218
#56

Ground drive diagram

Lawn tractor ground drive belt, 1/2 x 84-1/2-in

Part #140218

Replaced by #532140218

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This part replaces 140218. Substitute parts can look different from the original.
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Lawn Tractor Bearing 3366R
#27

Steering assembly diagram

Lawn tractor bearing

Part #3366R

Replaced by #532003366

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This part replaces 3366R. Substitute parts can look different from the original.
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Zinc Retainer Spring 163552
#12

Lift assembly diagram

Zinc retainer spring

Part #163552

Replaced by #532003146

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Main causes: shift lever needs adjustment, neutral control needs adjustment…

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