MTD
Lawn Edger

Model # 25B-551A729 Official MTD edger

Here are the diagrams and repair parts for Official MTD 25B-551A729 edger, 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 62 parts  |

Yard Machines Lawn & Garden Equipment Lock Nut, 5/16-18 (replaces 753-05591) 712-04063
#38

Edger parts diagram

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

Part #712-04063

BEST SELLER
This item is not returnable
$4.40
19% OFF Phone Price : $5.40
In Stock
Lawn Tractor Screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599) 710-0599
#62

Edger parts diagram

Lawn tractor screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599)

Part #710-0599

BEST SELLER
This item is not returnable
$4.91
17% OFF Phone Price : $5.91
In Stock
Knob 720-04072
#29

Edger parts diagram

Knob

Part #720-04072

Replaced by #720-04072A

?
Manufacturer substitution
This part replaces 720-04072. Substitute parts can look different from the original.
BEST SELLER
$9.33
10% OFF Phone Price : $10.33
In Stock
Yard Machines Lawn Mower Wheel 734-1987
#23

Edger parts diagram

Yard machines lawn mower wheel

Part #734-1987

$26.80
18% OFF Phone Price : $32.80
In Stock
Belt Guard 781-0427
#42

Edger parts diagram

Belt guard

Part #781-0427

Replaced by #781-0427-0637

?
Manufacturer substitution
This part replaces 781-0427. Substitute parts can look different from the original.
This item is not returnable
$26.77
18% OFF Phone Price : $32.77
In Stock
Lawn & Garden Equipment Self-tapping Screw 710-0726
#26

Edger parts diagram

Lawn & garden equipment self-tapping screw

Part #710-0726

Replaced by #710-0726

?
Manufacturer substitution
This part replaces 710-0726. Substitute parts can look different from the original.
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Edger Lower Handle 749-04234
#3

Edger parts diagram

Edger lower handle

Part #749-04234

$63.69
9% OFF Phone Price : $69.69
In Stock
Lawn Mower Wheel (replaces 734-04086) 734-1988
#13

Edger parts diagram

Lawn mower wheel (replaces 734-04086)

Part #734-1988

This item is not returnable
$23.27
20% OFF Phone Price : $29.27
In Stock
Ace Lawn Tractor Hex Screw 710-0654A
#21

Edger parts diagram

Ace lawn tractor hex screw

Part #710-0654A

This item is not returnable
$6.57
13% OFF Phone Price : $7.57
In Stock
Lawn & Garden Equipment Shoulder Screw 738-0929
#7

Edger parts diagram

Lawn & garden equipment shoulder screw

Part #738-0929

This item is not returnable
In Stock

Repair guides for side-by-side refrigerators

How to replace an ice dispenser motor in a side-by-side refrigerator

How to replace an ice dispenser motor in a side-by-side refrigerator

If your side-by-side refrigerator isn’t churning out ice, replacing the motor could fix the problem. These steps explain…

Repair difficulty
Time required
 45 minutes or less
How to replace a defrost heater in a side-by-side refrigerator

How to replace a defrost heater in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost heater could be faulty. Follow the…

Repair difficulty
Time required
 45 minutes or less
How to replace an evaporator fan motor in a side-by-side refrigerator

How to replace an evaporator fan motor in a side-by-side refrigerator

If your refrigerator isn't as cold as it should be, it could be that the evaporator fan motor isn't circulating air. Thi…

Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your lawn edgers

Top 10 electric lawn and garden tools for 2023

Top 10 electric lawn and garden tools for 2023

Learn about the top 10 must-have electric lawn & garden tools for 2023…