MTD
Farming

Model # 21AS122R799 Official MTD 2-cycle gas cultivator

Here are the diagrams and repair parts for Official MTD 21AS122R799 2-cycle gas cultivator, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 90 parts  |

Muffler 791-182174
#42

Engine parts diagram

Muffler

Part #791-182174

In Stock
Grip 791-181575
#16

Cultivator/boom parts diagram

Grip

Part #791-181575

In Stock
3 Prong Knob 791-182898
#7

Cultivator/boom parts diagram

3 prong knob

Part #791-182898

Replaced by #791-182677

?
Manufacturer substitution
This part replaces 791-182898. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lawn & Garden Equipment Washer 791-182678
#5

Cultivator/boom parts diagram

Lawn & garden equipment washer

Part #791-182678

Replaced by #4150

?
Manufacturer substitution
This part replaces 791-182678. Substitute parts can look different from the original.
This item is not returnable
In Stock
Fuel Line 791-682039
#18

Engine parts diagram

Fuel line

Part #791-682039

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

Clamp 791-181812
#12

Cultivator/boom parts diagram

Clamp

Part #791-181812

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

Shifter Block 753-04707

#NI03

All parts diagram

Shifter block

Part #753-04707

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

Screw 791-181345
#37

Engine parts diagram

Screw

Part #791-181345

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

Roller 753-04798
#24

Cultivator/boom parts diagram

Roller

Part #753-04798

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

Bracket Assembly 791-683295
#10

Cultivator/boom parts diagram

Bracket assembly

Part #791-683295

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

Symptoms for gas ranges

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas ranges

How to clean and maintain your stove

How to clean and maintain your stove

Learn how to clean and maintain your stove to keep it in top shape.…

Oven won't heat: troubleshooting gas range problems video

Oven won't heat: troubleshooting gas range problems video

Learn how to troubleshoot and repair your gas oven if it won't heat.…

How to clean grates and burners on a gas cooktop video

How to clean grates and burners on a gas cooktop video

Find out how to clean the grates and burners on your gas cooktop.…