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  |

Grease Seal 31303
#15

Lift type: shroud, lift, & pivot wheel diagram

Grease seal

Part #31303

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

Timken Cone 31116
#12

Lift & pull type: gear box and rotor diagram

Timken cone

Part #31116

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

Gear Box 12524
#37

Lift & pull type: gear box and rotor diagram

Gear box

Part #12524

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

Hairpin Cotter 3521
#2

Pull type hand ratchet diagram

Hairpin cotter

Part #3521

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

Washer 25680
#10

Lift type: shroud, lift, & pivot wheel diagram

Washer

Part #25680

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

Drawbar 31127
#4

Pull type shroud, axle & drawbar diagram

Drawbar

Part #31127

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

Bracket Support 31188
#17

Pull type shroud, axle & drawbar diagram

Bracket support

Part #31188

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

Wheel Spacer 12466
#14

Lift type: shroud, lift, & pivot wheel diagram

Wheel spacer

Part #12466

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

Outer P.t.o. Shield 311381
#7

Pull type: universal assembly diagram

Outer p.t.o. shield

Part #311381

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.

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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.

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

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