Troybilt
Complete Deck

Model # 30042SR Official Troybilt 42" mower deck

Here are the diagrams and repair parts for Official Troybilt 30042SR 42" mower deck, as well as links to manuals and error code tables, if available.

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Showing 10 of 103 parts  |

Screw 1724491
#35

Replacement parts 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.
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$4.34
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Lock Nut 1732499
#41

Replacement parts diagram

Lock nut

Part #1732499

Replaced by #712-3004A

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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
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Push Cap 1724791
#19

Replacement parts diagram

Push cap

Part #1724791

Replaced by #726-0100

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Manufacturer substitution
This part replaces 1724791. Substitute parts can look different from the original.
This item is not returnable
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Nut 1186393
#14

Replacement parts diagram

Nut

Part #1186393

Replaced by #1186393

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Manufacturer substitution
This part replaces 1186393. Substitute parts can look different from the original.
This item is not returnable
In Stock
Idler Pulley 1749910
#94

Replacement parts diagram

Idler pulley

Part #1749910

Replaced by #1749910

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Manufacturer substitution
This part replaces 1749910. Substitute parts can look different from the original.
In Stock
Blade Spt 1742606
#50

Replacement parts diagram

Blade spt

Part #1742606

Replaced by #1742625

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Manufacturer substitution
This part replaces 1742606. Substitute parts can look different from the original.
In Stock
Nut 1734514
#12

Replacement parts diagram

Nut

Part #1734514

Replaced by #712-3022

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Manufacturer substitution
This part replaces 1734514. Substitute parts can look different from the original.
This item is not returnable
In Stock
Washer 1701055
#78

Replacement parts diagram

Washer

Part #1701055

Replaced by #1701055

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Manufacturer substitution
This part replaces 1701055. Substitute parts can look different from the original.
In Stock
Clevis Pin 1752308
#32

Replacement parts diagram

Clevis pin

Part #1752308

Replaced by #711-1626

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Manufacturer substitution
This part replaces 1752308. Substitute parts can look different from the original.
In Stock
Lock Nut 1733398
#8

Replacement parts diagram

Lock nut

Part #1733398

Replaced by #912-3000

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Manufacturer substitution
This part replaces 1733398. Substitute parts can look different from the original.
This item is not returnable
In Stock

Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

Main causes: faulty battery, bad alternator…

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

Main causes: shift lever needs adjustment, neutral control needs adjustment…

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

Most common repair guides to help fix your riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

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Repair difficulty
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Effective articles & videos to help repair your riding mowers & tractors

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Riding lawn mower engine clicks but doesn't turn over video

Riding lawn mower engine clicks but doesn't turn over video

Check the starter solenoid, starter motor, wiring, battery and engine.…