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Craftsman
Tiller

Model # 74778552 Official Craftsman rotary chopper

Here are the diagrams and repair parts for Official Craftsman 74778552 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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Showing 10 of 109 parts  |
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

Spindle Nut 31227
#26

Pull type shroud, axle & drawbar diagram

Spindle nut

Part #31227

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

Pin 31138B
Pin

Part #31138B

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

Spacer 12543
#3

Lift type: shroud, lift, & pivot wheel diagram

Spacer

Part #12543

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

Clevis Pin 3520
#1

Pull type hand ratchet diagram

Clevis pin

Part #3520

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

Output Flange 15007
#19

Lift & pull type: gear box and rotor diagram

Output flange

Part #15007

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

L.h. Screw Assembly 3502
#3

Pull type hand ratchet diagram

L.h. screw assembly

Part #3502

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

Axle Weldment, Less Hubs 31200
#18

Pull type shroud, axle & drawbar diagram

Axle weldment, less hubs

Part #31200

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

U-bolt 19817
#5

Pull type shroud, axle & drawbar diagram

U-bolt

Part #19817

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

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

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

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A guide to garden tillers

Rear tine tiller or front tine tiller, what to know to help in choosing the correct one for your needs.…

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