Craftsman
Tiller

Model #74778552 Official Craftsman rotary chopper

Here are the diagrams and repair parts for Craftsman 74778552 rotary chopper, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Showing 10 of 109 parts

Bearing Cup#17

Lift type: shroud, lift, & pivot wheel Diagram

Bearing cup

Part #31305

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

Timken Cone#22

Lift & pull type: gear box and rotor Diagram

Timken cone

Part #31124

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

Cap Screw#1

Lift & pull type: gear box and rotor Diagram

Cap screw

Part #19936

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

Shim#18

Lift & pull type: gear box and rotor Diagram

Shim

Part #31144

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

OUTER BEARING CUP#23

Pull type shroud, axle & drawbar Diagram

Outer bearing cup

Part #31223

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

Washer

See All Related Diagrams

Washer

Part #31041

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

Bushing#5

Lift type: shroud, lift, & pivot wheel Diagram

Bushing

Part #12529

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

Gear Case#16

Lift & pull type: gear box and rotor Diagram

Gear case

Part #31082

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

INNER P.T.O. SHIELD#15

Pull type: universal assembly Diagram

Inner p.t.o. shield

Part #31139C

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

Pawl Assembly#7

Pull type hand ratchet Diagram

Pawl assembly

Part #3511

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

Symptoms common to all tillers

Choose a symptom to see related tiller repairs.

Main causes: worn or broken drive belts, bad transmission, clutch cable problems
Main causes: broken shaft clevis pins, transmission failure
Main causes: dirty carburetor, engine needs tune up, stale gas
Main causes: carburetor failure, bad gasoline, dirty spark plug, broken recoil starter
Main causes: leaky engine head gasket, damaged sump gasket, damaged oil drain plug seal, loose or cracked fuel line, leaky carburetor seal
Main causes: damaged tines, broken clevis pins, worn drive belt, faulty transmission, clutch cable problems, improper depth-stake setting
Main causes: clutch cable problems, faulty transmission

Repair guides common to all tillers

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

May 1, 2013
By Lyle Weischwill
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 starter assembly is broken, follow the steps in this repair guide to replace it.

Repair difficulty
Time required
 15 minutes or less

Articles and videos common to all tillers

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

August 30, 2022

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

By Lyle Weischwill

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

December 28, 2018

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

By Lyle Weischwill

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

December 28, 2018

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

By Lyle Weischwill

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