Troybilt
Gas Snowblower

Model # 42000 Official Troybilt 21" 5-hp snow thrower

Here are the diagrams and repair parts for Official Troybilt 42000 21" 5-hp snow thrower, 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 231 parts  |

Screw 1724491
#69

Auger assembly diagram

Screw

Part #1724491

Replaced by #710-1260A

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Manufacturer substitution
This part replaces 1724491. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.93
20% OFF Phone Price : $4.93
In Stock
Washer 1100255
Washer

Part #1100255

Replaced by #736-0262

?
Manufacturer substitution
This part replaces 1100255. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.11
16% OFF Phone Price : $6.11
In Stock
Lawn Tractor Spring 792079
#42

Transmission assembly diagram

Lawn tractor spring

Part #792079

This item is not returnable
$2.49
43% OFF MSRP : $4.40
In Stock
Bevel Pinion 778113A
#19

Transmission assembly diagram

Bevel pinion

Part #778113A

Replaced by #778113A

?
Manufacturer substitution
This part replaces 778113A. Substitute parts can look different from the original.
$27.91
15% OFF Phone Price : $32.91
In Stock
Carrge Bolt 1712059
#39

Auger assembly diagram

Carrge bolt

Part #1712059

Replaced by #710-0260A

?
Manufacturer substitution
This part replaces 1712059. Substitute parts can look different from the original.
This item is not returnable
$6.55
13% OFF Phone Price : $7.55
In Stock
Washer 780108
#43

Transmission assembly diagram

Washer

Part #780108

Replaced by #780108

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Manufacturer substitution
This part replaces 780108. Substitute parts can look different from the original.
This item is not returnable
In Stock
Snowblower Drive Sprocket 786047
#20

Transmission assembly diagram

Snowblower drive sprocket

Part #786047

$33.59
13% OFF Phone Price : $38.59
In Stock
Lock Washer 1100242
#29

Tractor assembly diagram

Lock washer

Part #1100242

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

Thrust Race 1185815
#15

Gear case assembly diagram

Thrust race

Part #1185815

Replaced by #736-0745

?
Manufacturer substitution
This part replaces 1185815. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lock Nut 1732499
#15

Auger assembly diagram

Lock nut

Part #1732499

Replaced by #712-3004A

?
Manufacturer substitution
This part replaces 1732499. Substitute parts can look different from the original.
This item is not returnable
$4.92
17% OFF Phone Price : $5.92
In Stock

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: punctured tire, damaged rim…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Main causes: dirty carburetor, stale fuel…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Repair guides for gas snowblowers

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

How to replace snowblower skid shoes

How to replace snowblower skid shoes

To prevent damage to your snowblower auger, replace the skid shoes when both sides of the shoe are worn. It's an easy re…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower auger drive cable

How to replace a snowblower auger drive cable

A loose or snapped auger drive cable can prevent the auger from rotating. Follow this step-by-step guide to replace the …

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower electric starter

How to replace a snowblower electric starter

Replace the electric starter on your snowblower if it doesn't work.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your snowblowers

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

How to make your snowblower last longer

How to make your snowblower last longer

Learn the steps to take to adjust and maintain your snowblower so it lasts longer.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

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