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  |

Plate 12528
#7

Lift type: shroud, lift, & pivot wheel diagram

Plate

Part #12528

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

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

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

Yoke W/tube Only 31139B
#6

Pull type: universal assembly diagram

Yoke w/tube only

Part #31139B

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

Oil Seal 31142
#26

Lift & pull type: gear box and rotor diagram

Oil seal

Part #31142

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

Cage Bearing 19414
#13A

Pull type shroud, axle & drawbar diagram

Cage bearing

Part #19414

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

Handle 3506
#9

Pull type hand ratchet diagram

Handle

Part #3506

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

Slip Universal 31139
#11

Pull type: universal assembly diagram

Slip universal

Part #31139

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

Snap Ring 31136
#24

Lift & pull type: gear box and rotor diagram

Snap ring

Part #31136

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.

Main causes: clutch cable problems, faulty transmission…

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

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

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

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…

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.

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…

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.

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.…

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.…