Cub Cadet
Front-Engine Lawn Tractor

Model #13RX91AT056 Official Cub Cadet lawn tractor

Here are the diagrams and repair parts for Cub Cadet 13RX91AT056 lawn tractor, as well as links to manuals and error code tables, if available.

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Owner’s manual
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Parts List

Showing 10 of 622 parts

Lawn & Garden Equipment Cotter Pin, 1/4- to 5/16-in

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Lawn & garden equipment cotter pin, 1/4- to 5/16-in

Part #714-04040
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In Stock
$2.49 | 
29% OFF 
Phone Price: $3.49
Free Shipping Lawn Tractor 46-in Deck Premium 2-in-1 Blade (replaces 742-04244A, 942-04244)

Free shipping lawn tractor 46-in deck premium 2-in-1 blade (replaces 742-04244a, 942-04244)

Part #942-04244A
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$34.99 | 
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Free Shipping Lawn Tractor 46-in Deck Premium 2-in-1 Blade (replaces 742-04244A, 942-04244)#34

46" mowing deck (ltx1046) Diagram

Blade

Part #942-04244
Replaced by #942-04244A
?
Manufacturer substitution
This part replaces 942-04244. Substitute parts can look different from the original.
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In Stock
$34.99 | 
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Phone Price: $39.99
Lawn Tractor 42-in Deck Blade Drive Belt, 1/2 x 96-1/2-in (replaces 490-501-M044)#47

42" deck Diagram

Lawn tractor deck belt

Part #954-04060B
Replaced by #490-501-Y044
?
Manufacturer substitution
This part replaces 954-04060B. Substitute parts can look different from the original.
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$40.58 | 
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Phone Price: $45.58
Lawn & Garden Equipment Lock Nut, 5/16-18 (replaces 753-05591)

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Lawn & garden equipment lock nut, 5/16-18 (replaces 753-05591)

Part #712-04063
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MSRP: $4.90
Lawn & Garden Equipment Hex Flange Nut (replaces 753-05549, 912-0417A)

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Lawn & garden equipment hex flange nut (replaces 753-05549, 912-0417a)

Part #712-0417A
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$5.80 | 
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MSRP: $9.60
Lawn Tractor Mandrel and Pulley Assembly (replaces 618-04822, 918-04822A)#1

42" deck Diagram

Spindle assembly

Part #918-04889A
Replaced by #918-04822B
?
Manufacturer substitution
This part replaces 918-04889A. Substitute parts can look different from the original.
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$76.38 | 
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MSRP: $100.00
Lawn & Garden Equipment Self-Tapping Bolt, 5/16-18 x 3/4-in (replaces 1724491, 1740496, 1909304, 910-1260A, GW-7101260)#26

Seat/fender/deck lift Diagram

In Stock
$4.28 | 
19% OFF 
Phone Price: $5.28
Lawn Tractor Blade Drive Belt, 1/2 x 103-1/4-in (replaces 954-04219)

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Lawn tractor blade drive belt, 1/2 x 103-1/16-in

Part #954-04219
Replaced by #490-501-M009
?
Manufacturer substitution
This part replaces 954-04219. Substitute parts can look different from the original.
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In Stock
$33.81 | 
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Phone Price: $38.81
Lawn Tractor Mandrel Pulley (replaces 756-04129C)

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Lawn mower idler pulley

Part #756-04129B
Replaced by #753-08171
?
Manufacturer substitution
This part replaces 756-04129B. Substitute parts can look different from the original.
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In Stock
$27.99 | 
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Phone Price: $32.99

Symptoms common to all riding mowers & tractors

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

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged mandrel pulleys
Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components
Main causes: faulty battery, bad alternator
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tune up
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, dirty carburetor
Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, broken fuel line
Main causes: shift lever needs adjustment, neutral control needs adjustment
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim

Repair guides common to all riding mowers & tractors

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

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.

Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.

Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.

Repair difficulty
Time required
 15 minutes or less

Articles and videos common to all riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

August 06, 2020

How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer

April 09, 2019

Riding mower parts and supplies to stock up on video

Riding mower parts and supplies to stock up on video

Keep these 6 things on hand to keep the mower season running smoothly.

March 01, 2016

Charging a battery in a riding lawn mower video

Charging a battery in a riding lawn mower video

Learn how to use a battery charger if your mower battery is dead.