Craftsman
Rear-Engine Riding Mower

Model # 107277740 Official Craftsman zero-turn rear-engine riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 107277740 zero-turn rear-engine riding lawn mower, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 487 parts  |

Hex Lock Nut 1920397SM
#44

Mower deck/housing/arbor diagram

Hex lock nut

Part #1920397SM

Replaced by #703232

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Manufacturer substitution
This part replaces 1920397SM. Substitute parts can look different from the original.
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This item is not returnable
$6.24
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Briggs And Stratton Switch-pto Push 1722887SM
#9

Electrical diagram

Briggs and stratton switch-pto push

Part #1722887SM

Replaced by #1722887SM

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Manufacturer substitution
This part replaces 1722887SM. Substitute parts can look different from the original.
$37.79
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Hex Flange Nut 1931277SM
Hex flange nut

Part #1931277SM

Replaced by #703409

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Manufacturer substitution
This part replaces 1931277SM. Substitute parts can look different from the original.
$9.27
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Capscrew, Hex Head, 7/16-14 X 1-1/4, G 2823471SM
#25

Mower deck/housing/arbor diagram

Capscrew, hex head, 7/16-14 x 1-1/4, g

Part #2823471SM

Replaced by #703579

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Manufacturer substitution
This part replaces 2823471SM. Substitute parts can look different from the original.
This item is not returnable
$7.89
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Hex Lock Nut 1919438SM
#25

Controls diagram

Hex lock nut

Part #1919438SM

Replaced by #703902

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Manufacturer substitution
This part replaces 1919438SM. Substitute parts can look different from the original.
This item is not returnable
$5.56
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Lube Fitting 2821133SM
#19

Mower deck-clutch/support diagram

Lube fitting

Part #2821133SM

Replaced by #703907

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Manufacturer substitution
This part replaces 2821133SM. Substitute parts can look different from the original.
In Stock
44-inch Mower Blade 1727774ASM
#22

Mower deck/housing/arbor diagram

44-inch mower blade

Part #1727774ASM

Replaced by #1716696ASM

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Manufacturer substitution
This part replaces 1727774ASM. Substitute parts can look different from the original.

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$33.18
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In Stock
Lawn Tractor Ground Drive Belt 1726471SM
#2A

Mower deck-clutch/support diagram

Lawn tractor ground drive belt

Part #1726471SM

Replaced by #1726471SM

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Manufacturer substitution
This part replaces 1726471SM. Substitute parts can look different from the original.

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$58.39
9% OFF Phone Price : $64.39
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Keys (set Of 1717163SM
#6

Electrical diagram

Keys (set of

Part #1717163SM

Replaced by #1717163SM

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Manufacturer substitution
This part replaces 1717163SM. Substitute parts can look different from the original.
This item is not returnable
$13.31
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Lawn Tractor 44-in Deck High-lift Blade, Right 1727775ASM
#26

Mower deck/housing/arbor diagram

Lawn tractor 44-in deck high-lift blade, right

Part #1727775ASM

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$33.69
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Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: faulty battery, bad alternator…

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

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

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

Most common repair guides to help fix your riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

How to replace the seat switch on a riding lawn mower

How to replace the seat switch on a riding lawn mower

Follow the steps in this guide to install a new riding mower seat switch in about 15 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a riding lawn mower spark plug

How to replace a riding lawn mower spark plug

If the engine is hard to start or if the spark plug electrode is burnt or cracked, take 15 minutes to replace it.…

Repair difficulty
Time required
 15 minutes or less
How to replace a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.…

Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Riding lawn mower engine clicks but doesn't turn over video

Riding lawn mower engine clicks but doesn't turn over video

Check the starter solenoid, starter motor, wiring, battery and engine.…