Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
MTD
Log Splitter

Model # 630 Official MTD log splitter

Here are the diagrams and repair parts for Official MTD 630 log splitter, 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 88 parts  |
Unknown Brand Name #689 Lawn Tractor Cotter Pin (replaces 01002627, 714-04039a) 714-0162

#2

All parts diagram

Unknown brand name #689 lawn tractor cotter pin (replaces 01002627, 714-04039a)

Part #714-0162

$7.57 | 
12% OFF Phone Price : $8.57
In Stock
Unknown Brand Name #689 Lawn Tractor Flat Washer 736-0262

#104

All parts diagram

Unknown brand name #689 lawn tractor flat washer

Part #736-0262

This item is not returnable
$5.11 | 
16% OFF Phone Price : $6.11
In Stock
Lock Washer 736-0119

#84

All parts diagram

Lock washer

Part #736-0119

Replaced by #936-0119

?
Manufacturer substitution
This part replaces 736-0119. Substitute parts can look different from the original.
This item is not returnable
$6.05 | 
14% OFF Phone Price : $7.05
In Stock
Log Splitter Hydraulic Filter 723-0405

#57

All parts diagram

Log splitter hydraulic filter

Part #723-0405

Replaced by #723P0405

?
Manufacturer substitution
This part replaces 723-0405. Substitute parts can look different from the original.
$45.06 | 
12% OFF Phone Price : $51.06
In Stock
Lawn & Garden Equipment Flat Washer (replaces 936-0185) 736-0185

#51

All parts diagram

Lawn & garden equipment flat washer (replaces 936-0185)

Part #736-0185

This item is not returnable
$6.80
In Stock
Unknown Brand Name #689 Log Splitter Hub Cap 734-0873

#3

All parts diagram

Unknown brand name #689 log splitter hub cap

Part #734-0873

This item is not returnable
$20.51
In Stock
Log Splitter Return Hose 727-0443

#60

All parts diagram

Log splitter return hose

Part #727-0443

$102.83 | 
10% OFF Phone Price : $114.83
In Stock
Unknown Brand Name #689 Log Splitter Pressure Tube Pipe Nipple, 1/2-in 737-0238

#9

All parts diagram

Unknown brand name #689 log splitter pressure tube pipe nipple, 1/2-in

Part #737-0238

This item is not returnable
$33.43 | 
15% OFF Phone Price : $39.43
In Stock
Hex Bolt 710-1032

#16

All parts diagram

Hex bolt

Part #710-1032

Replaced by #710-0459A

?
Manufacturer substitution
This part replaces 710-1032. Substitute parts can look different from the original.
This item is not returnable
$10.29
In Stock
Cone Bearing 741-3028

#6

All parts diagram

Cone bearing

Part #741-3028

Replaced by #941-04298

?
Manufacturer substitution
This part replaces 741-3028. Substitute parts can look different from the original.
This item is not returnable
$26.06 | 
19% OFF Phone Price : $32.06
In Stock

Most common symptoms to help you fix your log splitters

Choose a symptom to see related log splitter repairs.

View all

Why does my log splitter's hydraulic cylinder leak?

Main cause: worn hydraulic cylinder seals…

Read more

Why does my log splitter's hydraulic valve leak?

Main cause: worn hydraulic valve seals around the actuator rod…

Read more

Why won't my log splitter's hydraulic cylinder extend the wedge?

Main causes: broken pump coupler, clogged hydraulic fluid filter, bad hydraulic control valve, broken hydraulic pump, ba…

Read more

Why does my log splitter's engine leaks oil or gas?

Main causes: leaky head gasket, damaged sump gasket, leaky oil drain plug, damaged fuel line, bad carburetor seals…

Read more

Why does my log splitter's hydraulic pump leak?

Main cause: worn hydraulic pump seals…

Read more

Why does my log splitter's engine run rough or misfire?

Main causes: dirty carburetor, bad spark plug, clogged air filter, stale fuel…

Read more

Why won't my log splitter's engine start?

Main causes: dirty carburetor, stale fuel, bad spark plug, broken recoil starter…

Read more

Most common repair guides to help fix your log splitters

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

View all
How to replace a log splitter flexible pump coupler

How to replace a log splitter flexible pump coupler

The flexible nylon log splitter pump coupler deteriorates over time. Replace the flexible pump coupler if it begins to v…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a log splitter recoil starter

How to replace a log splitter recoil starter

The recoil starter spins the engine on the log splitter when you pull the starter rope, and the rope retracts when relea…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a log splitter carburetor

How to replace a log splitter carburetor

The carburetor mixes air and gas before the fuel mix goes to the engine. If the engine won't start and the spark plug is…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your log splitters

Use the advice and tips in these articles to get the most out of your log splitter.

View all
Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

Find the right carburetor assembly for a Craftsman snowblower, tiller or log splitter

This chart will help you find the right carburetor for your Craftsman snowblower, tiller or log splitter.…

Read more
How to maintain the hydraulic system in a log splitter

How to maintain the hydraulic system in a log splitter

See how to properly maintain the hydraulic system in your log splitter.…

Read more
How to change the hydraulic fluid in a log splitter

How to change the hydraulic fluid in a log splitter

Learn how to change the hydraulic fluid in your log splitter.…

Read more

Parts & More