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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.

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Model diagram and schematic

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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

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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

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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
Back Order
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
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
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
Pin 711-0813

#42

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Pin

Part #711-0813

Replaced by #911-0813

?
Manufacturer substitution
This part replaces 711-0813. Substitute parts can look different from the original.
$10.50 | 
16% OFF Phone Price : $12.50
In Stock
Bearing Cup 741-3029

#10

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Bearing cup

Part #741-3029

Replaced by #941-04299

?
Manufacturer substitution
This part replaces 741-3029. Substitute parts can look different from the original.
This item is not returnable
$11.89
In Stock

Most common symptoms to help you fix your log splitters

Choose a symptom to see related log splitter repairs.

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

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

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Why does my log splitter's hydraulic cylinder leak?

Main cause: worn hydraulic cylinder seals…

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Why does my log splitter's hydraulic pump leak?

Main cause: worn hydraulic pump seals…

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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…

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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…

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

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

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Why does my log splitter's hydraulic valve leak?

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

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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.

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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…

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Repair difficulty
Time required
 30 minutes or less
How to replace a log splitter fuel line

How to replace a log splitter fuel line

The fuel line carries the fuel supply from the gas tank to the carburetor. If the fuel line is cracked and leaking, repl…

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Repair difficulty
Time required
 30 minutes or less
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…

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Repair difficulty
Time required
 15 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.

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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.…

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Log splitter common questions

Log splitter common questions

Learn more about your log splitter with these frequently asked questions.…

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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.…

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