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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Browse Parts for42000 Snowblowers

  • Screw 1724491
    #69

    Auger assembly diagram

    Screw

    Part #1724491

    Replaced by #710-1260A

    ?
    Manufacturer substitution
    This part replaces 1724491. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $4.60
    18% OFF Phone Price : $5.60
    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.
    This item is not returnable
    $5.11
    16% OFF Phone Price : $6.11
    In Stock
  • Craftsman Lawn Tractor Spring 792079
    #42

    Transmission assembly diagram

    Craftsman lawn tractor spring

    Part #792079

    This item is not returnable
    $3.40
    23% OFF Phone Price : $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.
    $28.64
    17% OFF Phone Price : $34.64
    In Stock
  • Washer 780072
    #29

    Transmission assembly diagram

    Washer

    Part #780072

    Replaced by #780072

    ?
    Manufacturer substitution
    This part replaces 780072. Substitute parts can look different from the original.
    This item is not returnable
    $3.40
    23% OFF Phone Price : $4.40
    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
  • 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
  • Craftsman Lawn And Garden Equipment Screw 792078
    #41

    Transmission assembly diagram

    Craftsman lawn and garden equipment screw

    Part #792078

    This item is not returnable
    In Stock
  • Washer 780108
    #43

    Transmission assembly diagram

    Washer

    Part #780108

    Replaced by #780108

    ?
    Manufacturer substitution
    This part replaces 780108. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
  • Input Shaft 776135
    #18

    Transmission assembly diagram

    Input shaft

    Part #776135

    Replaced by #776135

    ?
    Manufacturer substitution
    This part replaces 776135. Substitute parts can look different from the original.
    $33.59
    15% OFF Phone Price : $39.59
    In Stock

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

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

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

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

Main causes: punctured tire, damaged rim…

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

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

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

Main causes: dirty carburetor, stale fuel…

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

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 a snowblower fuel filter

How to replace a snowblower fuel filter

Replace the fuel filter on your snowblower if it's clogged or damaged.…

Repair difficulty
Time required
 15 minutes or less
How to adjust snowblower skid shoes

How to adjust snowblower skid shoes

To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…

Repair difficulty
Time required
 15 minutes or less
How to rebuild a snowblower carburetor

How to rebuild a snowblower carburetor

Rebuild the carburetor on your snowblower if the engine isn't getting fuel.…

Repair difficulty
Time required
 45 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.

Snowblower won’t start – 4 easy DIY fixes

Snowblower won’t start – 4 easy DIY fixes

Find easy DIY tips to fix your snowblower when it won't start…

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.…

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.…