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Craftsman
Front-Engine Lawn Tractor

Model # 917990040 Official Craftsman lawn tractor

Here are the diagrams and repair parts for Official Craftsman 917990040 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 544 parts  |
Lawn Tractor Mandrel Housing 187281
#14

Mower diagram

Lawn tractor mandrel housing

Part #187281

Replaced by #587819701

?
Manufacturer substitution
This part replaces 187281. Substitute parts can look different from the original.
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$48.44
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Lawn Mower Mandrel Assembly 587253301

#NI01

All parts diagram

Lawn mower mandrel assembly

Part #587253301

Replaced by #587819701

?
Manufacturer substitution
This part replaces 587253301. Substitute parts can look different from the original.
BEST SELLER
$48.44
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11% OFF Phone Price : $54.44
In Stock
Lawn Tractor Mandrel Shaft 587256501
#13

Mower diagram

Lawn tractor mandrel shaft

Part #587256501

Replaced by #587819701

?
Manufacturer substitution
This part replaces 587256501. Substitute parts can look different from the original.
BEST SELLER
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11% OFF Phone Price : $54.44
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Lawn Tractor V-belt 144959
#68

Mower 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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$36.74
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Lawn Tractor Ground Drive Or Blade Drive Belt, 1/2 X 92-2/5-in (replaces 108310x, 130969ms, 24684, 532108310, 532130969, 5321309-69) 130969
#56

Drive diagram

Lawn tractor ground drive or blade drive belt, 1/2 x 92-2/5-in (replaces 108310x, 130969ms, 24684, 532108310, 532130969, 5321309-69)

Part #130969

Replaced by #592855201

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Manufacturer substitution
This part replaces 130969. Substitute parts can look different from the original.
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$29.02
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Lawn Tractor Axle Cap 104757X428
#8

Wheels & tires diagram

Lawn tractor axle cap

Part #104757X428

Replaced by #532104757

?
Manufacturer substitution
This part replaces 104757X428. Substitute parts can look different from the original.
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$5.31
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Lock Nut 73900600
Lock nut

Part #73900600

Replaced by #532409149

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Manufacturer substitution
This part replaces 73900600. Substitute parts can look different from the original.
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Lawn Tractor Starter Solenoid 192507
#43

Electrical diagram

Lawn tractor starter solenoid

Part #192507

Replaced by #582042802

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Manufacturer substitution
This part replaces 192507. Substitute parts can look different from the original.
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$30.64
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Lawn Tractor Ignition Switch 193350
#30

Electrical diagram

Lawn tractor ignition switch

Part #193350

Replaced by #532193350

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Manufacturer substitution
This part replaces 193350. Substitute parts can look different from the original.
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Switch.pto.8 582107602
#50

Electrical diagram

Switch.pto.8

Part #582107602

Replaced by #582107601

?
Manufacturer substitution
This part replaces 582107602. Substitute parts can look different from the original.
BEST SELLER
$30.76
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16% OFF Phone Price : $36.76
In Stock

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