Troybilt
Rear-Tine Tiller

Model #21A-675B063 Troybilt tiller

Here are the diagrams and repair parts for Troybilt 21A-675B063 tiller, as well as links to manuals and error code tables, if available.


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Showing 10 of 185 parts

Lawn Tractor Screw

#42

Handlebar and control levers Diagram

Lawn tractor screw

Part #710-0599
This item is not returnable
$3.50

In Stock

Lawn Tractor Hex Bolt

#5

Tines and wheels Diagram

Lawn tractor hex bolt

Part #710-3096
This item is not returnable
$4.85 | 
5% OFF MSRP:$5.10

In Stock

High Pro Key

#6

Wheel, eccentric and tiller shafts Diagram

High pro key

Part #GW-9373
This item is not returnable
$6.79

In Stock

Eccentric Shaft

#10

Wheel, eccentric and tiller shafts Diagram

Eccentric shaft

Part #611-04002
$55.08

In Stock

Tiller Worm Gear

#7

Wheel, eccentric and tiller shafts Diagram

Tiller worm gear

Part #GW-20914
$131.50

In Stock

Tiller Oil Seal

#3

Transmission housing/covers/seals Diagram

Tiller oil seal

Part #721-04001
This item is not returnable
$6.95

In Stock

Spring

#12

Wheel, eccentric and tiller shafts Diagram

Spring

Part #GW-9055
This item is not returnable
$4.85

In Stock

Bushing 1.24

#14

Drive shaft/input pinion shaft/gear Diagram

Bushing 1.24

Part #GW-9428
$25.33

In Stock

Gasket

#7

Transmission housing/covers/seals Diagram

Gasket

Part #GW-20694
This item is not returnable
$2.87 | 
13% OFF MSRP:$3.30

In Stock

Tiller Wheel Drive Clutch

#9

Wheel, eccentric and tiller shafts Diagram

$60.22

In Stock

Symptoms common to all tillers

Choose a symptom to see related tiller repairs.

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

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.

December 28, 2018

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

By Sears PartsDirect staff

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

November 1, 2016

A guide to garden tillers

By Sears PartsDirect staff

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

November 1, 2015

Tiller common questions

By Sears PartsDirect staff

These frequently asked questions might help you figure out what's wrong with your garden tiller.