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Craftsman
Tiller

Model # 74778553 Official Craftsman rotary chopper

Here are the diagrams and repair parts for Official Craftsman 74778553 rotary chopper, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 109 parts  |
Output Shaft & Gear 12523
#17

Lift & pull type: gear box and rotor diagram

Output shaft & gear

Part #12523

The manufacturer no longer makes this part, and there's no substitute part

Pawl Assembly 3511
#7

Pull type hand ratchet diagram

Pawl assembly

Part #3511

The manufacturer no longer makes this part, and there's no substitute part

Inner Bearing Cup 31222
#21

Pull type shroud, axle & drawbar diagram

Inner bearing cup

Part #31222

The manufacturer no longer makes this part, and there's no substitute part

Bracket 31134
#6

Pull type shroud, axle & drawbar diagram

Bracket

Part #31134

The manufacturer no longer makes this part, and there's no substitute part

End Cap 15006
#25

Lift & pull type: gear box and rotor diagram

End cap

Part #15006

The manufacturer no longer makes this part, and there's no substitute part

Bushing 31021
#30

Lift & pull type: gear box and rotor diagram

Bushing

Part #31021

The manufacturer no longer makes this part, and there's no substitute part

Grease Seal 31226
#19

Pull type shroud, axle & drawbar diagram

Grease seal

Part #31226

The manufacturer no longer makes this part, and there's no substitute part

Splnded Yoke 31138A
Splnded yoke

Part #31138A

The manufacturer no longer makes this part, and there's no substitute part

Rear Housing Half 3505
#10

Pull type hand ratchet diagram

Rear housing half

Part #3505

The manufacturer no longer makes this part, and there's no substitute part

Quadrant 12053
#29A

Pull type shroud, axle & drawbar diagram

Quadrant

Part #12053

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your tillers

Choose a symptom to see related tiller repairs.

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Why do my tiller's tines turn but the wheels don't?

Main causes: clutch cable problems, faulty transmission…

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Why does my tiller turn the soil poorly?

Main causes: damaged tines, broken clevis pins, worn drive belt, faulty transmission, clutch cable problems, improper de…

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Why won't my tillers wheels or tines turn?

Main causes: worn or broken drive belts, bad transmission, clutch cable problems…

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Why does my tiller's engine leak oil or gas?

Main causes: leaky engine head gasket, damaged sump gasket, damaged oil drain plug seal, loose or cracked fuel line, lea…

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Why do my tiller's wheels turn but the tines don't?

Main causes: broken shaft clevis pins, transmission failure…

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Why does my tiller's engine run roughly or misfire?

Main causes: dirty carburetor, engine needs tune up, stale gas…

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Why won't my tiller's engine start?

Main causes: carburetor failure, bad gasoline, dirty spark plug, broken recoil starter…

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Most common repair guides to help fix your tillers

These step-by-step repair guides will help you safely fix what’s broken on your tiller.

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How to replace a tiller recoil starter

How to replace a tiller recoil starter

The recoil starter spins the engine when you pull the starter rope, and the rope retracts when released. If the recoil s…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your tillers

Use the advice and tips in these articles and videos to get the most out of your tiller.

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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.…

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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.…

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Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

This chart will help you find the right carburetor for your Craftsman snowblower, tiller or log splitter.…

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