MTD
Front-Tine Tiller

Model # 21A-251E000 Official MTD front-tine tiller

Here are the diagrams and repair parts for Official MTD 21A-251E000 front-tine tiller, as well as links to manuals and error code tables, if available.

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Showing 10 of 45 parts  |

Yard Machines Lawn & Garden Equipment Lock Nut, 5/16-18 (replaces 753-05591) 712-04063
#39

Lawn mower diagram

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

Part #712-04063

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This item is not returnable
$4.40
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Yard Machines Lawn & Garden Equipment Nut 712-04064
#30

Lawn mower diagram

Yard machines lawn & garden equipment nut

Part #712-04064

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This item is not returnable
$4.49
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Yard Machines Lawn Tractor Flange Nut (replaces 00012173, Wd-129-103) 712-04065
#9

Lawn mower diagram

Yard machines lawn tractor flange nut (replaces 00012173, wd-129-103)

Part #712-04065

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$5.27
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Lawn Tractor Screw (replaces 01000628, 01000865, 1186307, 1186308, 791-180288, 791-683298, 910-0599) 710-0599
#43

Lawn mower diagram

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

Part #710-0599

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$4.91
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Knob 720-04072
#2

Lawn mower diagram

Knob

Part #720-04072

Replaced by #720-04072A

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Manufacturer substitution
This part replaces 720-04072. Substitute parts can look different from the original.
BEST SELLER
$9.33
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Ryobi Lawn Tractor Bolt (replaces 01000369, 1509-091, 1509-117, 153015, 706-10123-20, 706-501277-1, 710-0342, 910-3005) 710-3005
#17

Lawn mower diagram

Ryobi lawn tractor bolt (replaces 01000369, 1509-091, 1509-117, 153015, 706-10123-20, 706-501277-1, 710-0342, 910-3005)

Part #710-3005

This item is not returnable
$5.11
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Yard Machines Lawn & Garden Equipment Bolt 710-1174
#40

Lawn mower diagram

Yard machines lawn & garden equipment bolt

Part #710-1174

This item is not returnable
$10.97
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Yard Machines Lawn Tractor Screw 710-1007
#38

Lawn mower diagram

Yard machines lawn tractor screw

Part #710-1007

This item is not returnable
In Stock
Outer Tine Assembly 642-0004
#34

Lawn mower diagram

Outer tine assembly

Part #642-0004

Replaced by #642-0004-0637

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Manufacturer substitution
This part replaces 642-0004. Substitute parts can look different from the original.
$90.19
6% OFF Phone Price : $96.19
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Inner Tine Assembly 642-0002
#33

Lawn mower diagram

Inner tine assembly

Part #642-0002

Replaced by #642-0002-0637

?
Manufacturer substitution
This part replaces 642-0002. Substitute parts can look different from the original.
$90.30
6% OFF Phone Price : $96.30
In Stock

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Main causes: clutch cable problems, faulty transmission…

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Main causes: carburetor failure, bad gasoline, dirty spark plug, broken recoil starter…

Most common repair guides to help fix your tillers

These step-by-step repair guides will help you safely fix what’s broken on your tiller.

How to replace a tiller recoil starter

How to replace a tiller recoil starter

The recoil starter spins the engine when you pull the starter rope, and the rope retracts when released. If the recoil s…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your tillers

Use the advice and tips in these articles and videos to get the most out of your tiller.

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A guide to garden tillers

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Tiller common questions

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